Doctor profile · Federal record
Dr. Thomas Nielsen, M.D.
Phlebology Physician (CMS: Family Practice) · Bloomington, IL
- NPI 1871521757
- Accepts Medicare
- 45 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3302 Gerig Dr, Suite 100
Bloomington, IL 617046365
(309) 862-4000
fax (309) 862-4055
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- March 25, 2014
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 202K00000X — NUCC code
- State license (1)
- Illinois #036065215
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1871521757. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
523
Distinct HCPCS
8
Medicare allowed
$78,945
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 147 | 56 | $52 | |
93971 |
Ultrasound study of one arm or leg veins with compression and maneuvers | 102 | 47 | $107 | |
93970 |
Ultrasound study of arm or leg veins with compression and maneuvers | 81 | 55 | $173 | |
36471 |
Injection of chemical agent into multiple incompetent veins of leg | 57 | 30 | $185 | |
76942 |
Ultrasonic guidance for needle placement | 57 | 30 | $55 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 30 | 30 | $161 | |
36478 |
Laser destruction of incompetent vein of arm or leg using imaging guidance | 29 | 15 | $893 | |
10160 |
Aspiration of abscess, blood, or cyst | 20 | 13 | $100 |
In context: peer comparison
Among 1 peers in Bloomington Phlebology Physician, average services per provider: 65. This provider delivers 8.0× the peer median.Frequently asked questions
What is Dr. Thomas Nielsen's medical specialty?
Dr. Thomas Nielsen practices Phlebology Physician in Bloomington, IL.
Where does Dr. Thomas Nielsen practice?
Dr. Thomas Nielsen practices at 3302 Gerig Dr, Bloomington, IL 617046365. Office phone: 3098624000.
What is Dr. Thomas Nielsen's NPI?
Dr. Thomas Nielsen's National Provider Identifier (NPI) is 1871521757, issued by NPPES.
Does Dr. Thomas Nielsen accept Medicare assignment?
Yes. Dr. Thomas Nielsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Nielsen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Ultrasound study of one arm or leg veins with compression and maneuvers (HCPCS 93971); Ultrasound study of arm or leg veins with compression and maneuvers (HCPCS 93970). Source: CMS Medicare Physician & Other Practitioners file.