Active NPI 1871521757 Individual Practitioner Male Practitioner

Dr. Thomas Edwin Nielsen , MD

Phlebology • Bloomington, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Nielsen, MD is a certified Phlebology practicing in Bloomington, IL. With approximately 45 years of clinical experience since graduating from Southern Illinois University School Of Medicine in 1981, Dr. Nielsen delivers high-quality medical care to the local community at 3302 GERIG DR.

Dr. Nielsen is affiliated with The Vein Specialists, Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers, 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

3302 Gerig Dr
Suite 100

Bloomington, IL 617046365

Telephone 3098624000

Fax 3098624055

Associated Practice Facility / Clinic

🏢 The Vein Specialists, Llc Facility NPI 1861703100

Medicare Profile & Education

Medical School

Southern Illinois University School Of Medicine

Graduation Year

1981

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Phlebology in Bloomington, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

45 Yrs +2.3 yrs vs City Avg

City Avg: 42.7 Yrs

State Avg: 33.2 Yrs

Regional Practice Density

3 Specialists

Practicing in Bloomington, IL (21 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

67.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Nielsen (45 Years) 45 Yrs

Bloomington Specialty Average (42.7 Years) 42.7 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
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	184	70	$62.00	$53.63
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	130	55	$286.00	$108.48
93970 Ultrasound study of arm or leg veins with compression and maneuvers	94	58	$461.00	$170.94
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	65	33	$148.00	$54.44
36471 Injection of chemical agent into multiple incompetent veins of leg	62	33	$548.00	$187.74
36478 Laser destruction of incompetent vein of arm or leg using imaging guidance	52	25	$3412.00	$894.41
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	29	29	$233.00	$161.05
10160 Aspiration of abscess, blood accumulation, blister, or cyst	17	14	$257.00	$106.96

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	147	56	$62.00	$52.08
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	102	47	$286.00	$106.69
93970 Ultrasound study of arm or leg veins with compression and maneuvers	81	55	$461.00	$173.21
36471 Injection of chemical agent into multiple incompetent veins of leg	57	30	$548.00	$185.09
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	57	30	$148.00	$54.53
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$233.00	$160.75
36478 Laser destruction of incompetent vein of arm or leg using imaging guidance	29	15	$3412.00	$893.10
10160 Aspiration of abscess, blood accumulation, blister, or cyst	20	13	$257.00	$99.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	192	70	$62.00	$53.97
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	132	55	$286.00	$112.25
93970 Ultrasound study of arm or leg veins with compression and maneuvers	106	59	$461.00	$179.50
36471 Injection of chemical agent into multiple incompetent veins of leg	72	37	$548.00	$187.17
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	71	37	$148.00	$54.87
36478 Laser destruction of incompetent vein of arm or leg using imaging guidance	57	27	$3412.00	$974.75
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$233.00	$162.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	153	63	$62.00	$54.13
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	102	45	$286.00	$114.47
93970 Ultrasound study of arm or leg veins with compression and maneuvers	101	63	$461.00	$184.03
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	65	26	$148.00	$53.11
36471 Injection of chemical agent into multiple incompetent veins of leg	64	26	$548.00	$193.89
36478 Laser destruction of incompetent vein of arm or leg using imaging guidance	34	15	$3412.00	$1035.93
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	33	33	$233.00	$165.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	209	81	$48.79	$43.80
93970 Ultrasound study of arm or leg veins with compression and maneuvers	112	65	$241.06	$183.02
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	103	53	$153.57	$115.12
36471 Injection of chemical agent into multiple incompetent veins of leg	91	45	$266.56	$191.58
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	90	44	$75.53	$55.78
36478 Laser destruction of incompetent vein of arm or leg using imaging guidance	60	25	$1664.94	$981.52
76970 Ultrasound follow-up study	42	22	$135.45	$77.36
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$175.26	$157.62
10160 Aspiration of abscess, blood accumulation, blister, or cyst	16	12	$160.22	$87.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	331	106	$43.70	$41.86
93970 Ultrasound study of arm or leg veins with compression and maneuvers	182	104	$196.08	$181.73
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	143	64	$115.64	$113.28
36471 Injection of chemical agent into multiple incompetent veins of leg	142	53	$193.35	$180.32
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	140	53	$62.48	$54.71
36478 Laser destruction of incompetent vein of arm or leg using imaging guidance	75	35	$1315.47	$1068.65
10160 Aspiration of abscess, blood accumulation, blister, or cyst	49	26	$128.05	$94.93
76970 Ultrasound follow-up study	48	32	$96.99	$83.78
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	46	46	$163.21	$160.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	355	115	$42.81	$41.05
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	179	80	$115.62	$110.70
36471 Injection of chemical agent into multiple incompetent veins of leg	176	73	$185.33	$177.40
93970 Ultrasound study of arm or leg veins with compression and maneuvers	175	104	$191.06	$180.63
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	170	73	$58.58	$56.10
36478 Laser destruction of incompetent vein of arm or leg using imaging guidance	76	37	$1161.81	$1111.63
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	49	49	$166.89	$156.24
10160 Aspiration of abscess, blood accumulation, blister, or cyst	44	28	$128.01	$90.49
76970 Ultrasound follow-up study	31	27	$88.13	$84.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	370	108	$43.37	$39.86
36471 Injection of chemical agent into multiple incompetent veins of leg	196	68	$186.72	$161.18
93970 Ultrasound study of arm or leg veins with compression and maneuvers	189	108	$188.56	$176.23
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	189	66	$72.93	$55.20
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	167	69	$121.95	$106.49
36478 Laser destruction of incompetent vein of arm or leg using imaging guidance	79	44	$1195.30	$1078.85
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	44	44	$161.88	$153.61
10160 Aspiration of abscess, blood accumulation, blister, or cyst	42	26	$126.39	$92.81
76970 Ultrasound follow-up study	37	34	$93.26	$70.70

Medical Specialties & State Licenses

Phlebology Primary Specialty

NUCC Taxonomy Code: 202K00000X

State License IL 036065215

Phlebology is the medical discipline that involves the diagnosis and treatment of venous disorders, including spider veins, varicose veins, chronic venous insufficiency, venous leg ulcers, congenital venous abnormalities, venous thromboembolism and other disorders of venous origin. A phlebologist has attained a minimum of 50 hours of CME units in phlebology-related courses, and is knowledgeable of and trained in a variety of diagnostic techniques including physical examination, venous imaging techniques such as duplex ultrasound, CT and MR, plethysmographic techniques and laboratory evaluation related to venous thromboembolism. The phlebologist is also trained in a variety of therapeutic interventions, which may include compression, sclerotherapy, cutaneous vascular laser, endovenous thermoablation procedures (laser and radiofrequency) endovenous chemical ablation, surgical procedures (e.g., ambulatory phlebectomy, venous ligation), vasoactive medications and the management of venous thromboembolism.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Bc/bs

05721369 (IL)

Hospital & Practice Group Affiliations

The Vein Specialists, Llc

3302 Gerig Dr, Bloomington, IL 617046343

Phone: 3098624000

Practice Associates & Co-Workers

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

2 Associated Practitioners

Dr. Kathryn Bohn , MD

Phlebology

NPI 1194751156

Doctor of Medicine (M.D.)

Dr. Richard Castillo , MD

Phlebology

NPI 1649207960

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 March 25, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location March 25, 2014

Registered at 3302 GERIG DR, SUITE 100, BLOOMINGTON, IL 617046365 (Tel: 3098624000)

📍

Updated Business Mailing Address March 25, 2014

Registered at 3302 GERIG DR, SUITE 100, BLOOMINGTON, IL 617046365 (Tel: 3098624000)

👤

Provider Name / Credentials Updated March 25, 2014

Recorded as THOMAS NIELSEN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 25, 2014

Phlebology (License #036065215 in IL)

🟢

Initial NPI Registration & Enumeration June 29, 2006

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: 1871521757

Entity Type:

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

Enumeration Date: June 29, 2006

Last Update: March 25, 2014

Sole Proprietor: No

Update or Correct Profile

Mailing Address

3302 Gerig Dr, Suite 100

Bloomington, IL 617046365

Phone: 3098624000

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.