Active NPI 1790721546 Individual Practitioner Male Practitioner

Dr. Christopher E. Walls , MD

Surgery - Vascular Surgery • Savannah, GA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Christopher Walls, MD is a certified Surgery - Vascular Surgery practicing in Savannah, GA. With approximately 40 years of clinical experience since graduating from Emory University School Of Medicine in 1986, Dr. Walls delivers high-quality medical care to the local community at 4750 WATERS AVE.

Dr. Walls is affiliated with Savannah Vascular Institute, Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml, established patient outpatient office visit, ultrasound of both sides of head and neck blood flow. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4750 Waters Ave
Suite 500

Savannah, GA 31404

Telephone 8669578346

Fax 9123551414

Associated Practice Facility / Clinic

🏢 Savannah Children's Heart Center, Pc Facility NPI 1356450910

Medicare Profile & Education

Medical School

Emory University School Of Medicine

Graduation Year

1986

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery - Vascular Surgery in Savannah, GA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

40 Yrs +13.3 yrs vs City Avg

City Avg: 26.7 Yrs

State Avg: 23.4 Yrs

Regional Practice Density

10 Specialists

Practicing in Savannah, GA (194 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

65.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Walls (40 Years) 40 Yrs

Savannah Specialty Average (26.7 Years) 26.7 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
Q9966 Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml	3,202	24	$2.00	$0.36
99213 Established patient office or other outpatient visit, typically 15 minutes	132	91	$173.00	$85.45
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	94	75	$256.00	$118.81
93880 Ultrasound of both sides of head and neck blood flow	78	72	$507.00	$163.59
99153 Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes	52	19	$25.00	$10.36
J2250 Injection, midazolam hydrochloride, per 1 mg	50	21	$2.00	$0.14
99231 Follow-up hospital inpatient care per day, typically 15 minutes	47	24	$81.00	$47.41
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	43	41	$336.00	$125.01
93926 Ultrasound of one leg arteries or artery grafts	36	25	$384.00	$114.10
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	35	28	$371.00	$104.21
76937 Ultrasonic guidance for blood vessel access	33	24	$80.00	$35.04
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	32	24	$344.00	$170.30
J3010 Injection, fentanyl citrate, 0.1 mg	27	22	$2.00	$0.91
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	27	22	$120.00	$45.18
93922 Ultrasound study of arm and leg arteries	19	18	$320.00	$64.32
93975 Complete ultrasound of abdomen and pelvis artery and vein blood flow	18	16	$836.00	$236.18
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	16	14	$527.00	$157.75
93925 Ultrasound of leg arteries or artery grafts	15	11	$654.00	$210.72
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	14	13	$364.00	$99.99
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$256.00	$98.39
76937 Ultrasonic guidance for blood vessel access	13	12	$37.00	$13.32
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$396.00	$157.98
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	11	11	$31.00	$11.69
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	11	11	$494.00	$180.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
Q9966 Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml	2,127	16	$2.00	$0.41
99213 Established patient office or other outpatient visit, typically 15 minutes	176	122	$173.00	$84.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	103	79	$256.00	$119.83
93880 Ultrasound of both sides of head and neck blood flow	90	80	$507.00	$165.42
99153 Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes	72	16	$25.00	$9.89
99231 Follow-up hospital inpatient care per day, typically 15 minutes	69	36	$81.00	$48.12
J2250 Injection, midazolam hydrochloride, per 1 mg	62	20	$2.00	$0.15
93926 Ultrasound of one leg arteries or artery grafts	50	28	$384.00	$114.69
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	41	39	$336.00	$125.77
76937 Ultrasonic guidance for blood vessel access	38	26	$80.00	$36.43
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	33	29	$371.00	$102.84
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	32	28	$344.00	$162.90
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	29	21	$120.00	$45.72
J3010 Injection, fentanyl citrate, 0.1 mg	27	20	$2.00	$0.89
93922 Ultrasound study of arm and leg arteries	25	23	$320.00	$65.58
93970 Ultrasound study of arm or leg veins with compression and maneuvers	25	25	$560.00	$171.04
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$256.00	$106.10
93975 Complete ultrasound of abdomen and pelvis artery and vein blood flow	23	18	$836.00	$242.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$396.00	$151.82
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	16	12	$527.00	$160.60
93925 Ultrasound of leg arteries or artery grafts	16	14	$654.00	$211.92
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	16	11	$1178.00	$141.73
49324 Insertion of abdominal cavity catheter using an endoscope	12	12	$832.00	$376.27
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	12	12	$364.00	$99.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	199	146	$173.00	$83.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	87	68	$256.00	$121.13
93880 Ultrasound of both sides of head and neck blood flow	81	70	$507.00	$165.74
99153 Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes	79	20	$25.00	$9.66
99231 Follow-up hospital inpatient care per day, typically 15 minutes	66	36	$81.00	$36.05
J2250 Injection, midazolam hydrochloride, per 1 mg	65	25	$2.00	$0.15
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	49	48	$336.00	$128.14
93926 Ultrasound of one leg arteries or artery grafts	46	31	$384.00	$117.23
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	44	35	$344.00	$160.19
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	38	33	$371.00	$107.77
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	34	26	$120.00	$46.60
93922 Ultrasound study of arm and leg arteries	27	25	$320.00	$64.41
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$256.00	$106.17
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	23	18	$527.00	$159.13
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$396.00	$159.07
93975 Complete ultrasound of abdomen and pelvis artery and vein blood flow	20	16	$836.00	$246.25
76937 Ultrasonic guidance for blood vessel access	18	14	$80.00	$33.24
93970 Ultrasound study of arm or leg veins with compression and maneuvers	18	18	$560.00	$173.54
J3010 Injection, fentanyl citrate, 0.1 mg	18	15	$2.00	$0.81
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	17	16	$364.00	$102.14
93925 Ultrasound of leg arteries or artery grafts	16	15	$654.00	$220.70
49324 Insertion of abdominal cavity catheter using an endoscope	16	16	$832.00	$377.06
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	15	12	$2820.00	$1081.38
76937 Ultrasonic guidance for blood vessel access	14	12	$37.00	$13.30
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$494.00	$199.25
36901 Insertion of needle and/or catheter into dialysis circuit, with imaging including radiological supervision and interpretation	12	11	$1334.00	$669.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	206	133	$173.00	$85.69
93880 Ultrasound of both sides of head and neck blood flow	84	76	$507.00	$177.02
99231 Follow-up hospital inpatient care per day, typically 15 minutes	77	31	$81.00	$37.13
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	73	59	$256.00	$123.96
J2250 Injection, midazolam hydrochloride, per 1 mg	65	29	$2.00	$0.12
93926 Ultrasound of one leg arteries or artery grafts	41	32	$384.00	$119.14
99153 Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes	40	18	$25.00	$9.55
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	39	34	$371.00	$108.98
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	39	35	$336.00	$131.31
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	35	32	$120.00	$47.53
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	33	27	$2820.00	$1219.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	32	32	$256.00	$107.21
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	20	19	$364.00	$104.24
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	19	17	$527.00	$171.78
99202 New patient office or other outpatient visit, typically 20 minutes	18	18	$176.00	$69.27
93970 Ultrasound study of arm or leg veins with compression and maneuvers	18	18	$560.00	$164.64
36901 Insertion of needle and/or catheter into dialysis circuit, with imaging including radiological supervision and interpretation	17	16	$1334.00	$681.53
93975 Complete ultrasound of abdomen and pelvis artery and vein blood flow	17	16	$836.00	$255.46
76937 Ultrasonic guidance for blood vessel access	16	16	$37.00	$13.61
93925 Ultrasound of leg arteries or artery grafts	15	14	$654.00	$216.36
36589 Removal of central venous catheter for infusion	15	14	$417.00	$161.92
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	13	12	$31.00	$12.16
36830 Connection of tube graft to vein and artery for dialysis	13	13	$2842.00	$652.64
93922 Ultrasound study of arm and leg arteries	13	13	$320.00	$70.16
36821 Relocation of arm vein with connection to arm artery, open procedure	13	13	$2189.00	$612.17
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	12	11	$262.00	$82.74
76937 Ultrasonic guidance for blood vessel access	12	11	$80.00	$35.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	248	163	$173.00	$71.96
J2250 Injection, midazolam hydrochloride, per 1 mg	174	55	$2.01	$0.12
93880 Ultrasound of both sides of head and neck blood flow	101	79	$507.00	$183.85
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	87	74	$256.00	$105.38
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	79	57	$120.00	$47.38
99153 Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes	75	37	$25.00	$9.74
99231 Follow-up hospital inpatient care per day, typically 15 minutes	54	21	$81.00	$39.14
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	54	37	$2820.00	$1193.02
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	52	45	$371.00	$112.59
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	42	41	$336.00	$136.94
36901 Insertion of needle and/or catheter into dialysis circuit, with imaging including radiological supervision and interpretation	40	35	$1334.00	$642.77
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	35	35	$256.00	$104.37
93926 Ultrasound of one leg arteries or artery grafts	35	28	$384.00	$124.91
93970 Ultrasound study of arm or leg veins with compression and maneuvers	27	27	$560.00	$181.51
93975 Complete ultrasound of abdomen and pelvis artery and vein blood flow	22	18	$757.56	$250.87
99202 New patient office or other outpatient visit, typically 20 minutes	21	21	$176.00	$70.01
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	13	$103.00	$42.43
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	20	19	$527.00	$175.58
76937 Ultrasonic guidance for blood vessel access	19	17	$80.00	$34.64
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	19	17	$364.00	$113.01
36830 Connection of tube graft to vein and artery for dialysis	18	17	$2842.00	$662.03
76937 Ultrasonic guidance for blood vessel access	18	17	$37.00	$14.57
49324 Insertion of abdominal cavity catheter using an endoscope	18	18	$832.00	$374.24
49422 Removal of abdominal cavity catheter	17	17	$1009.00	$186.97
37607 Tying or banding of a passage between an artery and vein	17	15	$850.00	$199.07
36832 Revision of dialysis graft, open procedure	16	15	$2384.00	$771.85
36821 Relocation of arm vein with connection to arm artery, open procedure	15	14	$2189.00	$673.58
93925 Ultrasound of leg arteries or artery grafts	14	13	$654.00	$235.45
93922 Ultrasound study of arm and leg arteries	13	11	$320.00	$77.35
36589 Removal of central venous catheter for infusion	12	11	$417.00	$161.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3010 Injection, fentanyl citrate, 0.1 mg	266	16	$2.00	$0.80
99213 Established patient office or other outpatient visit, typically 15 minutes	229	130	$173.49	$71.31
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	146	109	$256.00	$104.06
J2250 Injection, midazolam hydrochloride, per 1 mg	127	37	$2.00	$0.12
93880 Ultrasound of both sides of head and neck blood flow	85	74	$507.00	$185.77
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	75	50	$371.00	$110.56
99231 Follow-up hospital inpatient care per day, typically 15 minutes	65	28	$81.00	$38.96
93926 Ultrasound of one leg arteries or artery grafts	49	36	$394.61	$124.95
99153 Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes	49	19	$25.00	$9.74
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	46	46	$256.00	$103.08
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	37	35	$336.00	$135.38
36901 Insertion of needle and/or catheter into dialysis circuit, with imaging including radiological supervision and interpretation	33	27	$1334.00	$588.39
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	29	25	$364.00	$109.86
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	28	22	$120.00	$47.51
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	27	24	$2820.00	$1186.59
49324 Insertion of abdominal cavity catheter using an endoscope	27	26	$832.00	$357.79
93970 Ultrasound study of arm or leg veins with compression and maneuvers	25	25	$552.32	$181.20
76937 Ultrasonic guidance for blood vessel access	24	20	$80.00	$31.45
49422 Removal of abdominal cavity catheter	23	22	$1009.00	$188.82
93975 Complete ultrasound of abdomen and pelvis artery and vein blood flow	23	19	$836.00	$259.32
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	22	17	$527.00	$175.94
36830 Connection of tube graft to vein and artery for dialysis	21	21	$2842.00	$685.28
76937 Ultrasonic guidance for blood vessel access	20	18	$37.00	$14.44
93922 Ultrasound study of arm and leg arteries	19	17	$320.00	$78.14
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	17	12	$1178.00	$160.45
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	13	$103.00	$42.98
36589 Removal of central venous catheter for infusion	15	14	$417.00	$162.33
75625 Radiological supervision and interpretation X-ray of abdominal aorta	15	12	$1258.00	$125.46
93925 Ultrasound of leg arteries or artery grafts	14	12	$658.14	$237.54
35301 Removal of blood clot and portion of artery of neck	13	12	$4940.38	$1015.16
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$396.00	$159.60
49435 Insertion of abdominal cavity catheter extension, beneath the skin	11	11	$266.00	$122.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	172	120	$173.66	$68.72
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	143	114	$256.00	$101.03
J2250 Injection, midazolam hydrochloride, per 1 mg	82	32	$2.00	$0.12
93880 Ultrasound of both sides of head and neck blood flow	80	72	$507.00	$179.95
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	68	51	$371.00	$108.47
93926 Ultrasound of one leg arteries or artery grafts	46	35	$436.00	$125.52
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$256.00	$103.19
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	39	33	$2820.00	$1144.97
99231 Follow-up hospital inpatient care per day, typically 15 minutes	34	24	$81.00	$38.38
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	29	25	$364.00	$108.61
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	29	28	$336.00	$133.82
36901 Insertion of needle and/or catheter into dialysis circuit, with imaging including radiological supervision and interpretation	27	24	$1334.00	$555.63
J3010 Injection, fentanyl citrate, 0.1 mg	26	23	$2.00	$0.54
93970 Ultrasound study of arm or leg veins with compression and maneuvers	24	24	$560.00	$169.47
76937 Ultrasonic guidance for blood vessel access	19	16	$37.00	$14.26
49324 Insertion of abdominal cavity catheter using an endoscope	19	19	$832.00	$331.32
49422 Removal of abdominal cavity catheter	19	18	$1009.00	$371.09
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	17	$103.00	$41.44
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	16	13	$527.00	$175.88
93922 Ultrasound study of arm and leg arteries	15	14	$320.00	$74.61
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$396.00	$158.13
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	15	15	$120.00	$47.58
36830 Connection of tube graft to vein and artery for dialysis	14	14	$2842.00	$652.53
93975 Complete ultrasound of abdomen and pelvis artery and vein blood flow	13	12	$836.00	$262.29
93925 Ultrasound of leg arteries or artery grafts	11	11	$683.00	$240.78
36589 Removal of central venous catheter for infusion	11	11	$417.00	$151.87

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	134	105	$235.52	$97.41
99213 Established patient office or other outpatient visit, typically 15 minutes	112	77	$168.41	$67.60
J2250 Injection, midazolam hydrochloride, per 1 mg	81	32	$1.74	$0.12
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	70	55	$341.34	$107.54
93880 Ultrasound of both sides of head and neck blood flow	70	65	$479.66	$181.03
93926 Ultrasound of one leg arteries or artery grafts	57	44	$410.10	$122.29
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	49	49	$237.39	$98.45
J3010 Injection, fentanyl citrate, 0.1 mg	42	28	$1.96	$0.46
99231 Follow-up hospital inpatient care per day, typically 15 minutes	41	27	$79.97	$37.37
36901 Insertion of needle and/or catheter into dialysis circuit, with imaging including radiological supervision and interpretation	29	27	$1223.62	$496.97
36902 Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist	28	23	$2638.70	$1087.69
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	27	24	$120.00	$46.04
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	26	$328.27	$130.18
93979 Ultrasound scan of blood flow of aorta, vena cava, bypass graphs, or one side of the groin or limited scan	25	23	$323.59	$100.90
93970 Ultrasound study of arm or leg veins with compression and maneuvers	24	23	$497.14	$176.30
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	22	18	$100.21	$40.22
93990 Ultrasound of dialysis access	22	19	$414.30	$123.99
49324 Insertion of abdominal cavity catheter using an endoscope	20	19	$832.00	$339.58
99153 Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes	20	17	$25.00	$9.67
75710 Radiological supervision and interpretation of imaging of artery of one arm or leg	18	15	$1121.02	$141.80
36830 Connection of tube graft to vein and artery for dialysis	18	18	$2842.00	$622.89
36821 Relocation of arm vein with connection to arm artery, open procedure	17	15	$2100.21	$616.91
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts	17	14	$506.44	$167.24
49422 Removal of abdominal cavity catheter	16	16	$930.66	$299.50
99221 Initial hospital inpatient care per day, typically 30 minutes	14	14	$247.00	$96.60
76937 Ultrasonic guidance for blood vessel access	14	12	$37.00	$13.86
36589 Removal of central venous catheter for infusion	13	13	$377.56	$152.70
36819 Relocation of arm vein with connection to arm artery, open procedure	12	11	$2750.00	$677.18
99202 New patient office or other outpatient visit, typically 20 minutes	11	11	$166.52	$69.16

Medical Specialties & State Licenses

CMS Verified: 2022-09-13

Surgery - Vascular Surgery Primary Specialty

NUCC Taxonomy Code: 2086S0129X

State License GA 031854

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

G31854 (SC)

Medicaid State Provider ID

000508494I (GA)

Medicaid State Provider ID

000508494H (GA)

Hospital & Practice Group Affiliations

Savannah Vascular Institute, Llc

7208 Hodgson Memorial Dr, Savannah, GA 314062512

Phone: 9126297800

Secondary Practice Locations

613 Towne Park Dr W Ste 204

Rincon, GA 313265183

Phone: 9123528346

Practice Associates & Co-Workers

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

12 Associated Practitioners

Deanna Wildes , RN, BSN

Nurse Practitioner

NPI 1003199480

Registered Nurse, Bachelor of Science in Nursing

Dr. Edward Cohn , MD

Surgery - Vascular Surgery

NPI 1043247232

Doctor of Medicine (M.D.)

Dr. Kirstin Nelson , MD

Radiology - Diagnostic Radiology

NPI 1104858307

Doctor of Medicine (M.D.)

Dr. Michael Dahn , MD

Surgery - Vascular Surgery

NPI 1114924677

Doctor of Medicine (M.D.)

Dr. William Darden , MD

Surgery

NPI 1144259755

Doctor of Medicine (M.D.)

Dr. Larry Horesh , MD

Radiology - Vascular & Interventional Radiology

NPI 1154398709

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

7 Historical Events

📍

Updated Practice Location July 09, 2018

Registered at 4750 WATERS AVE, SUITE 500, SAVANNAH, GA 31404 (Tel: 8669578346)

✅

NPI Profile Active January 26, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location January 26, 2010

Registered at 4750 WATERS AVE, SUITE 500, SAVANNAH, GA 314046200 (Tel: 8669578346)

📍

Updated Business Mailing Address January 26, 2010

Registered at PO BOX 116336, ATLANTA, GA 303686336 (Tel: 8669578346)

👤

Provider Name / Credentials Updated January 26, 2010

Recorded as CHRISTOPHER WALLS, M.D

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 26, 2010

Surgery (License #031854 in GA)

🟢

Initial NPI Registration & Enumeration June 21, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

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NPI Administrative Meta

NPI Number: 1790721546

Entity Type:

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

Enumeration Date: June 21, 2006

Last Update: September 13, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 116336

Atlanta, GA 303686336

Phone: 8669578346

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.