Active NPI 1700870250 Individual Practitioner Male Practitioner

Dr. Thomas E Niesen , MD

Surgery • Chesterfield, MO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Niesen, MD is a certified Surgery practicing in Chesterfield, MO. With approximately 48 years of clinical experience since graduating from Tulane University School Of Medicine in 1978, Dr. Niesen delivers high-quality medical care to the local community at 226 S WOODS MILL RD.

Dr. Niesen is affiliated with St Lukes Medical Group and accepts Medicare assignment.

Frequently performed procedures and clinical services include ultrasound study of arm and leg arteries, ultrasound of both sides of head and neck blood flow, ultrasound study of arm or leg veins with compression and maneuvers. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

226 S Woods Mill Rd
Suite 49 W

Chesterfield, MO 630173662

Telephone 3144341211

Fax 3144344419

Associated Practice Facility / Clinic

🏢 St Louis Surgical Consultants, P.c. Facility NPI 1114911658

Medicare Profile & Education

Medical School

Tulane University School Of Medicine

Graduation Year

1978

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Chesterfield, MO

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

48 Yrs +14.3 yrs vs City Avg

City Avg: 33.7 Yrs

State Avg: 26.1 Yrs

Regional Practice Density

12 Specialists

Practicing in Chesterfield, MO (766 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

85.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Niesen (48 Years) 48 Yrs

Chesterfield Specialty Average (33.7 Years) 33.7 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93922 Ultrasound study of arm and leg arteries	326	187	$165.00	$65.29
93880 Ultrasound of both sides of head and neck blood flow	303	302	$77.26	$37.43
93970 Ultrasound study of arm or leg veins with compression and maneuvers	273	258	$388.73	$32.43
93926 Ultrasound of one leg arteries or artery grafts	240	122	$250.00	$124.00
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	226	218	$239.00	$20.74
93880 Ultrasound of both sides of head and neck blood flow	172	162	$301.01	$184.10
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	140	106	$250.00	$172.05
99213 Established patient office or other outpatient visit, typically 15 minutes	131	101	$145.00	$90.07
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	94	94	$214.00	$110.37
93923 Complete ultrasound study of arm and leg arteries	92	89	$49.67	$21.42
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	79	73	$213.00	$126.96
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	59	53	$87.00	$55.96
93925 Ultrasound of leg arteries or artery grafts	56	39	$450.00	$233.56
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	51	50	$406.00	$171.05
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	44	42	$275.00	$123.60
99202 New patient office or other outpatient visit, typically 20 minutes	43	43	$149.00	$71.38
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	40	32	$250.00	$114.53
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	36	31	$174.00	$81.54
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	33	31	$1591.00	$250.04
37226 Insertion of stent in arteries of leg	26	23	$19078.81	$448.13
99231 Follow-up hospital inpatient care per day, typically 15 minutes	25	17	$78.00	$49.17
76706 Ultrasound scan of abdominal aorta	21	21	$63.14	$25.84
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	21	12	$146.00	$78.03
93925 Ultrasound of leg arteries or artery grafts	21	21	$517.00	$37.16
36833 Revision of dialysis graft with removal of blood cot, open procedure	20	13	$1680.36	$755.83
75630 Review by radiologist of abdominal aorta and both leg arteries image	18	17	$179.00	$92.68
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	17	15	$2329.00	$327.60
35301 Removal of blood clot and portion of artery of neck	16	14	$2349.00	$1052.19
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	13	11	$208.00	$117.54
93990 Ultrasound of dialysis access	13	12	$250.00	$126.58
37228 Balloon dilation of artery of leg, initial vessel	12	11	$9845.48	$527.43
36589 Removal of central venous catheter for infusion	12	12	$337.00	$162.31
49505 Repair of groin hernia (5 years or older)	11	11	$1017.00	$521.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93970 Ultrasound study of arm or leg veins with compression and maneuvers	367	346	$75.00	$32.47
93922 Ultrasound study of arm and leg arteries	342	187	$168.00	$65.22
93880 Ultrasound of both sides of head and neck blood flow	322	321	$86.00	$37.53
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	297	286	$45.00	$20.93
93926 Ultrasound of one leg arteries or artery grafts	242	133	$297.00	$122.71
93880 Ultrasound of both sides of head and neck blood flow	206	187	$396.00	$184.97
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	145	116	$374.00	$173.38
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	120	109	$278.00	$127.67
99213 Established patient office or other outpatient visit, typically 15 minutes	117	92	$150.00	$88.32
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	94	41	$146.00	$77.62
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	92	83	$217.00	$125.03
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	81	81	$215.00	$108.87
93925 Ultrasound of leg arteries or artery grafts	80	54	$503.00	$234.10
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	69	41	$91.00	$54.81
93923 Complete ultrasound study of arm and leg arteries	62	61	$45.00	$21.23
93990 Ultrasound of dialysis access	42	37	$308.00	$125.30
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	42	31	$241.00	$114.26
75630 Review by radiologist of abdominal aorta and both leg arteries image	32	30	$198.00	$91.64
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	30	27	$1630.00	$238.44
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	25	25	$329.00	$163.07
99202 New patient office or other outpatient visit, typically 20 minutes	24	24	$152.00	$70.71
36589 Removal of central venous catheter for infusion	15	13	$338.00	$149.33
93924 Ultrasound study of arteries of both legs at rest and exercise	14	14	$50.00	$23.58
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	14	14	$175.00	$80.63
37226 Insertion of stent in arteries of leg	14	13	$1100.00	$475.65
36821 Relocation of arm vein with connection to arm artery, open procedure	13	13	$1377.00	$614.48
35301 Removal of blood clot and portion of artery of neck	12	11	$2349.00	$1090.44
93925 Ultrasound of leg arteries or artery grafts	11	11	$79.00	$36.53
76706 Ultrasound scan of abdominal aorta	11	11	$56.00	$25.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93922 Ultrasound study of arm and leg arteries	377	208	$168.00	$67.31
93970 Ultrasound study of arm or leg veins with compression and maneuvers	356	329	$75.00	$33.57
93926 Ultrasound of one leg arteries or artery grafts	257	140	$297.00	$128.99
93880 Ultrasound of both sides of head and neck blood flow	239	238	$86.00	$38.74
93880 Ultrasound of both sides of head and neck blood flow	225	200	$396.00	$192.53
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	198	193	$45.00	$21.32
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	161	125	$374.00	$179.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	143	120	$217.00	$127.28
99213 Established patient office or other outpatient visit, typically 15 minutes	112	91	$150.00	$90.20
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	112	101	$278.00	$130.22
93925 Ultrasound of leg arteries or artery grafts	101	60	$503.00	$245.37
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	81	43	$146.00	$69.41
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	59	37	$241.00	$118.67
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	58	58	$215.00	$111.28
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	55	43	$91.00	$56.15
93923 Complete ultrasound study of arm and leg arteries	50	50	$49.34	$21.97
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	43	42	$1630.00	$245.88
93990 Ultrasound of dialysis access	41	34	$308.00	$131.92
29581 Application of vein wound compression bandages on lower leg, ankle, and foot	40	17	$201.38	$94.40
75630 Review by radiologist of abdominal aorta and both leg arteries image	39	34	$198.00	$94.39
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$329.00	$166.05
37226 Insertion of stent in arteries of leg	26	23	$1100.00	$471.14
99202 New patient office or other outpatient visit, typically 20 minutes	25	25	$152.00	$72.55
36589 Removal of central venous catheter for infusion	25	25	$338.00	$157.91
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	18	17	$2595.00	$223.10
36833 Revision of dialysis graft with removal of blood cot, open procedure	15	11	$1680.00	$765.57
36589 Removal of central venous catheter for infusion	13	13	$338.00	$127.88
49505 Repair of groin hernia (5 years or older)	13	13	$1079.00	$527.01
35301 Removal of blood clot and portion of artery of neck	12	12	$2349.00	$1112.74
49324 Insertion of abdominal cavity catheter using an endoscope	12	11	$807.00	$364.99
36830 Connection of tube graft to vein and artery for dialysis	11	11	$1385.00	$641.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93922 Ultrasound study of arm and leg arteries	411	226	$168.00	$70.45
93970 Ultrasound study of arm or leg veins with compression and maneuvers	363	336	$73.07	$33.73
93880 Ultrasound of both sides of head and neck blood flow	343	342	$83.81	$38.90
93880 Ultrasound of both sides of head and neck blood flow	293	259	$396.00	$199.56
93926 Ultrasound of one leg arteries or artery grafts	261	149	$297.00	$128.55
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	232	226	$45.00	$21.91
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	167	129	$374.00	$185.62
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	161	128	$217.00	$130.40
99213 Established patient office or other outpatient visit, typically 15 minutes	147	113	$150.00	$91.91
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	124	52	$146.00	$71.74
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	121	110	$278.00	$135.70
93925 Ultrasound of leg arteries or artery grafts	113	64	$503.00	$256.63
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	72	72	$215.00	$112.98
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	70	49	$91.00	$56.51
93923 Complete ultrasound study of arm and leg arteries	56	55	$45.00	$21.59
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	52	43	$241.00	$121.44
75630 Review by radiologist of abdominal aorta and both leg arteries image	50	43	$198.00	$96.70
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	39	39	$329.00	$168.92
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	35	34	$1630.00	$247.20
93990 Ultrasound of dialysis access	33	25	$308.00	$131.87
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	28	26	$408.00	$199.90
36589 Removal of central venous catheter for infusion	26	25	$338.00	$169.37
99202 New patient office or other outpatient visit, typically 20 minutes	24	24	$152.00	$73.41
37226 Insertion of stent in arteries of leg	24	22	$1145.83	$501.61
35301 Removal of blood clot and portion of artery of neck	22	22	$2349.00	$1136.88
37224 Balloon dilation of arteries in one leg, endovascular, accessed through the skin or open procedure	21	19	$935.00	$356.38
93925 Ultrasound of leg arteries or artery grafts	17	17	$79.00	$38.37
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	16	16	$2595.00	$226.44
76706 Ultrasound scan of abdominal aorta	16	16	$56.00	$27.59
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	15	12	$175.00	$84.76
36901 Insertion of needle and/or catheter into dialysis circuit, with imaging including radiological supervision and interpretation	15	14	$350.00	$158.31
99219 Hospital observation care, typically 50 minutes	14	14	$274.00	$133.95
36821 Relocation of arm vein with connection to arm artery, open procedure	13	13	$1377.00	$621.77
36581 Replacement of tunneled central venous tube	13	13	$1608.00	$149.50
37221 Insertion of stents in artery in one side of groin, endovascular, accessed through the skin or open procedure	13	12	$2198.46	$438.88
93926 Ultrasound of one leg arteries or artery grafts	11	11	$49.00	$23.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93922 Ultrasound study of arm and leg arteries	437	232	$179.81	$69.44
93970 Ultrasound study of arm or leg veins with compression and maneuvers	413	386	$73.82	$35.18
93880 Ultrasound of both sides of head and neck blood flow	397	396	$84.55	$40.66
93926 Ultrasound of one leg arteries or artery grafts	308	162	$316.90	$132.98
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	286	276	$47.19	$22.52
93880 Ultrasound of both sides of head and neck blood flow	281	252	$412.37	$197.39
99213 Established patient office or other outpatient visit, typically 15 minutes	167	126	$157.57	$74.98
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	165	129	$389.20	$184.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	131	115	$225.28	$108.99
93925 Ultrasound of leg arteries or artery grafts	114	68	$525.36	$249.94
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	101	101	$232.39	$108.41
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	94	72	$96.11	$45.61
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	89	47	$149.28	$73.42
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	83	75	$313.98	$139.99
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	72	56	$182.61	$87.08
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	62	50	$239.13	$115.58
93923 Complete ultrasound study of arm and leg arteries	60	60	$45.00	$22.72
75630 Review by radiologist of abdominal aorta and both leg arteries image	58	44	$194.72	$98.31
37226 Insertion of stent in arteries of leg	37	32	$6307.95	$512.90
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	35	31	$1601.43	$261.07
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	33	33	$407.73	$205.31
29581 Application of vein wound compression bandages on lower leg, ankle, and foot	30	11	$178.40	$90.48
35301 Removal of blood clot and portion of artery of neck	28	28	$2437.07	$1182.61
99202 New patient office or other outpatient visit, typically 20 minutes	27	27	$157.63	$74.32
36589 Removal of central venous catheter for infusion	24	23	$337.50	$168.81
93925 Ultrasound of leg arteries or artery grafts	23	23	$79.26	$40.07
93990 Ultrasound of dialysis access	23	22	$321.39	$125.89
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	21	16	$2427.67	$238.13
36833 Revision of dialysis graft with removal of blood cot, open procedure	18	14	$1682.17	$813.60
37221 Insertion of stents in artery in one side of groin, endovascular, accessed through the skin or open procedure	17	17	$9247.65	$443.50
76706 Ultrasound scan of abdominal aorta	14	14	$56.00	$28.20
37224 Balloon dilation of arteries in one leg, endovascular, accessed through the skin or open procedure	14	13	$2656.21	$416.81
93926 Ultrasound of one leg arteries or artery grafts	14	13	$49.29	$24.91
99219 Hospital observation care, typically 50 minutes	13	13	$274.00	$138.18
93922 Ultrasound study of arm and leg arteries	12	12	$26.00	$12.99
36140 Insertion of needle or catheter into an artery of arm or leg	12	12	$941.25	$86.00
76937 Ultrasonic guidance for blood vessel access	12	12	$32.17	$13.61
36821 Relocation of arm vein with connection to arm artery, open procedure	11	11	$1377.64	$663.63
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	11	11	$209.91	$105.97

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93880 Ultrasound of both sides of head and neck blood flow	557	553	$86.87	$40.65
93922 Ultrasound study of arm and leg arteries	504	278	$175.88	$68.13
93970 Ultrasound study of arm or leg veins with compression and maneuvers	501	469	$76.33	$34.96
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	379	361	$49.12	$22.84
93926 Ultrasound of one leg arteries or artery grafts	372	199	$310.75	$130.36
93880 Ultrasound of both sides of head and neck blood flow	339	295	$387.01	$183.32
99213 Established patient office or other outpatient visit, typically 15 minutes	250	152	$155.17	$73.82
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	176	141	$387.60	$179.90
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	155	155	$231.17	$107.86
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	152	134	$221.95	$108.18
93925 Ultrasound of leg arteries or artery grafts	119	80	$504.82	$242.91
93923 Complete ultrasound study of arm and leg arteries	98	96	$45.16	$22.58
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	92	76	$211.80	$96.19
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	83	49	$149.37	$73.15
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	70	70	$328.63	$162.31
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	61	59	$316.59	$137.81
75630 Review by radiologist of abdominal aorta and both leg arteries image	57	54	$194.58	$87.78
99221 Initial hospital inpatient care per day, typically 30 minutes	57	56	$204.74	$102.20
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	48	45	$188.96	$86.19
35301 Removal of blood clot and portion of artery of neck	44	44	$2471.27	$1159.98
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	40	38	$538.17	$258.86
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	38	35	$112.26	$44.68
37226 Insertion of stent in arteries of leg	34	30	$1745.97	$482.24
93924 Ultrasound study of arteries of both legs at rest and exercise	33	33	$51.76	$25.07
36589 Removal of central venous catheter for infusion	27	27	$321.41	$167.04
93922 Ultrasound study of arm and leg arteries	24	24	$30.33	$12.89
93926 Ultrasound of one leg arteries or artery grafts	24	24	$54.04	$24.73
G0365 Vessel mapping of vessels for hemodialysis access (services for preoperative vessel mapping prior to creation of hemodialysis access using an autogenous hemodialysis conduit, including arterial inflow and venous outflow)	23	23	$379.83	$120.29
37221 Insertion of stents in artery in one side of groin, endovascular, accessed through the skin or open procedure	22	20	$1924.41	$448.71
36821 Relocation of arm vein with connection to arm artery, open procedure	21	20	$1384.95	$691.37
93925 Ultrasound of leg arteries or artery grafts	17	17	$89.41	$40.08
93990 Ultrasound of dialysis access	17	17	$308.00	$132.59
99231 Follow-up hospital inpatient care per day, typically 15 minutes	16	14	$79.00	$39.64
37224 Balloon dilation of arteries in one leg, endovascular, accessed through the skin or open procedure	16	15	$1166.25	$392.99
37228 Balloon dilation of artery of leg, initial vessel	14	13	$1140.00	$548.91
93970 Ultrasound study of arm or leg veins with compression and maneuvers	14	14	$187.29	$88.26
76706 Ultrasound scan of abdominal aorta	13	13	$60.31	$27.82
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	12	12	$542.33	$239.90
49422 Removal of abdominal cavity catheter	11	11	$522.00	$179.20
36830 Connection of tube graft to vein and artery for dialysis	11	11	$1391.00	$694.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93922 Ultrasound study of arm and leg arteries	491	281	$172.70	$69.38
93880 Ultrasound of both sides of head and neck blood flow	461	460	$81.00	$40.00
93970 Ultrasound study of arm or leg veins with compression and maneuvers	446	417	$71.00	$34.20
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	363	346	$45.00	$22.53
93926 Ultrasound of one leg arteries or artery grafts	344	186	$296.28	$130.95
93880 Ultrasound of both sides of head and neck blood flow	302	265	$395.95	$196.32
99213 Established patient office or other outpatient visit, typically 15 minutes	270	160	$145.00	$71.22
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	179	141	$374.00	$183.61
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	173	173	$215.00	$105.73
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	153	126	$213.00	$105.04
93925 Ultrasound of leg arteries or artery grafts	132	82	$505.40	$254.76
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	111	111	$327.00	$162.28
99221 Initial hospital inpatient care per day, typically 30 minutes	91	84	$204.00	$100.94
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	88	67	$235.00	$114.80
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	80	56	$145.00	$71.58
99231 Follow-up hospital inpatient care per day, typically 15 minutes	77	37	$79.00	$39.02
75630 Review by radiologist of abdominal aorta and both leg arteries image	65	58	$178.00	$88.13
93923 Complete ultrasound study of arm and leg arteries	65	65	$46.00	$21.66
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	62	55	$114.00	$86.47
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	59	45	$86.00	$42.99
29581 Application of vein wound compression bandages on lower leg, ankle, and foot	50	21	$151.28	$93.06
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	46	44	$275.00	$128.72
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	41	39	$578.93	$230.51
93922 Ultrasound study of arm and leg arteries	41	41	$26.00	$12.70
37226 Insertion of stent in arteries of leg	41	39	$1087.00	$467.73
35301 Removal of blood clot and portion of artery of neck	33	33	$2374.00	$1167.17
93924 Ultrasound study of arteries of both legs at rest and exercise	32	32	$51.00	$24.68
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	29	25	$494.34	$216.69
36589 Removal of central venous catheter for infusion	25	23	$330.16	$163.58
93926 Ultrasound of one leg arteries or artery grafts	23	22	$49.00	$24.33
G0365 Vessel mapping of vessels for hemodialysis access (services for preoperative vessel mapping prior to creation of hemodialysis access using an autogenous hemodialysis conduit, including arterial inflow and venous outflow)	21	20	$367.86	$115.37
76706 Ultrasound scan of abdominal aorta	21	21	$55.24	$27.66
37224 Balloon dilation of arteries in one leg, endovascular, accessed through the skin or open procedure	20	15	$924.40	$367.48
99202 New patient office or other outpatient visit, typically 20 minutes	19	19	$148.00	$73.64
37221 Insertion of stents in artery in one side of groin, endovascular, accessed through the skin or open procedure	16	13	$1031.69	$416.34
49422 Removal of abdominal cavity catheter	16	14	$783.00	$350.85
93990 Ultrasound of dialysis access	15	13	$312.00	$132.64
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	13	12	$2981.00	$1473.42
36821 Relocation of arm vein with connection to arm artery, open procedure	13	12	$1389.00	$683.00
93925 Ultrasound of leg arteries or artery grafts	13	13	$80.00	$39.78
43280 Repair of muscle at esophagus and stomach using an endoscope	12	12	$2233.00	$1104.22
36246 Insertion of tube into abdominal, pelvic, or leg artery, initial second order branch	11	11	$528.00	$262.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93922 Ultrasound study of arm and leg arteries	451	240	$171.22	$67.90
93880 Ultrasound of both sides of head and neck blood flow	372	370	$80.83	$39.76
93970 Ultrasound study of arm or leg veins with compression and maneuvers	353	342	$71.61	$34.47
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	339	324	$44.96	$21.94
93926 Ultrasound of one leg arteries or artery grafts	322	173	$294.65	$128.85
93880 Ultrasound of both sides of head and neck blood flow	278	235	$394.35	$192.34
99213 Established patient office or other outpatient visit, typically 15 minutes	189	136	$144.58	$71.34
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	157	134	$212.24	$103.00
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	145	106	$371.45	$180.56
93925 Ultrasound of leg arteries or artery grafts	126	82	$502.89	$246.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	99	99	$214.74	$105.84
93922 Ultrasound study of arm and leg arteries	83	80	$25.99	$12.51
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	82	82	$324.93	$158.38
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	81	50	$85.57	$42.48
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	60	51	$113.30	$55.38
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	59	44	$233.58	$113.42
75630 Review by radiologist of abdominal aorta and both leg arteries image	57	48	$177.79	$86.39
99221 Initial hospital inpatient care per day, typically 30 minutes	56	53	$203.13	$100.54
99231 Follow-up hospital inpatient care per day, typically 15 minutes	55	28	$78.73	$38.84
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	52	34	$144.62	$71.31
99202 New patient office or other outpatient visit, typically 20 minutes	36	36	$147.44	$73.07
35301 Removal of blood clot and portion of artery of neck	34	32	$2362.53	$1168.35
36558 Insertion of tunneled central venous tube for infusion (5 years or older)	30	28	$599.93	$244.44
37226 Insertion of stent in arteries of leg	30	23	$1102.73	$513.60
29581 Application of vein wound compression bandages on lower leg, ankle, and foot	27	11	$121.19	$60.29
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	23	$274.23	$135.36
76706 Ultrasound scan of abdominal aorta	25	25	$87.72	$27.51
36589 Removal of central venous catheter for infusion	21	21	$330.24	$163.02
G0365 Vessel mapping of vessels for hemodialysis access (services for preoperative vessel mapping prior to creation of hemodialysis access using an autogenous hemodialysis conduit, including arterial inflow and venous outflow)	21	21	$385.00	$118.55
93924 Ultrasound study of arteries of both legs at rest and exercise	19	18	$50.79	$24.94
93925 Ultrasound of leg arteries or artery grafts	18	16	$80.00	$39.24
93926 Ultrasound of one leg arteries or artery grafts	16	16	$49.00	$24.25
37221 Insertion of stents in artery in one side of groin, endovascular, accessed through the skin or open procedure	15	11	$1047.40	$376.25
49324 Insertion of abdominal cavity catheter using an endoscope	15	15	$795.93	$394.81
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	14	12	$448.00	$212.50
36247 Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch	13	12	$634.00	$311.99
47562 Removal of gallbladder using an endoscope	12	12	$1342.33	$610.68

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License MO 36096

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

202260402 (MO)

Hospital & Practice Group Affiliations

St Lukes Medical Group

232 S Woods Mill Rd, Chesterfield, MO 630173406

Phone: 3145762306

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

6 Associated Practitioners

Dr. Christopher Cronin , MD

Surgery

NPI 1043204597

Doctor of Medicine (M.D.)

Dr. Todd Arends , MD

Colon & Rectal Surgery

NPI 1154358745

Doctor of Medicine (M.D.)

Dr. John Mason , MD

Surgery

NPI 1275528580

Doctor of Medicine (M.D.)

Dr. Diana Jiang , MD

Surgery

NPI 1639673833

Doctor of Medicine (M.D.)

Sierra Deguire , AGACNP-BC

Nurse Practitioner - Acute Care

NPI 1649008368

Adult-Gerontology Acute Care Nurse Practitioner (Board Certified)

Dr. Mari Anne Fahrner , MD

Surgery

NPI 1700870292

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active February 12, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location February 12, 2015

Registered at 226 S WOODS MILL RD, SUITE 49 W, CHESTERFIELD, MO 630173662 (Tel: 3144341211)

📍

Updated Business Mailing Address February 12, 2015

Registered at 226 S WOODS MILL RD, SUITE 49 W, CHESTERFIELD, MO 630173662 (Tel: 3144341211)

👤

Provider Name / Credentials Updated February 12, 2015

Recorded as THOMAS NIESEN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 12, 2015

Surgery (License #36096 in MO)

🟢

Initial NPI Registration & Enumeration September 09, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1700870250

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: September 09, 2005

Last Update: February 12, 2015

Sole Proprietor: No

Update or Correct Profile

Mailing Address

226 S Woods Mill Rd, Suite 49 W

Chesterfield, MO 630173662

Phone: 3144341211

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.