Thomas Edwin Nielsen, M.D.
Phlebology Physician · Bloomington, IL
Thomas Edwin Nielsen, M.D. is a phlebology physician with a practice address in Bloomington, Illinois, and NPI 1871521757, issued on Jun 29, 2006. Check the license (Illinois 036065215, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thomas Edwin Nielsen
- Credential
- M.D.
- Primary taxonomy
- Phlebology Physician 202K00000X
- License number
- 036065215 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3302 Gerig Dr, Bloomington, IL 61704
- Phone
- (309) 862-4000
- Enumerated
- Jun 29, 2006
- Record last updated
- Mar 25, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (309) 862-4055
- Medicare enrollment
- Enrolled (PECOS I20040520000197); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest phlebology physician records → All 21 in Illinois → Look up another NPI →
Also registered at 3302 Gerig Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathryn Bohn, M.D.Phlebology Physician1194751156
- Richard Castillo, M.D.Phlebology Physician1649207960
Verify Thomas Edwin Nielsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 036065215Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average phlebology physician in 2024
19 Medicare Part D claims, against an average of 187 among the 80 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Naproxen13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- The Vein Specialists, LLCBloomington, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Edwin Nielsen among 21 phlebology physician records in Illinois
Thomas Edwin Nielsen, M.D. is one of 21 phlebology physician records with a practice address in Illinois. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 19% of them.
- NPI issued2006 · 19% of these records are older, 33% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1981 · median 1987 among the 14 with a school on file
- Record last updated2014 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 202K00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Phlebology Physician providers in Illinois
There are 21 phlebology physician records in Illinois.
All 21 in Illinois → Every provider in Bloomington → Phlebology Physician nationwide →
The 8 phlebology physician records with the nearest ZIP codes
- Kathryn Bohn, M.D.Bloomington, IL 617041194751156
- Richard Castillo, M.D.Bloomington, IL 617041649207960
- Tracy Brito, M.D.Rockford, IL 611141285669895
- Kortesha Jones, PHLEBOTOMISTKankakee, IL 609011063193753
- Salvador Yunez, MDChicago, IL 606541467667758
- Brian Murray, P.C.Chicago, IL 606461346488400
- John Federbusch, M.D.Chicago, IL 606181235261264
- Mensur Sunje, M.D. M.SC.Chicago, IL 606181013954999
Common questions
What is Thomas Edwin Nielsen, M.D.'s NPI number?
Thomas Edwin Nielsen, M.D.'s National Provider Identifier (NPI) is 1871521757, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Edwin Nielsen, M.D. located?
The NPPES record lists a practice address at 3302 Gerig Dr, Bloomington, IL, 61704. Phone: (309) 862-4000. Providers update this record themselves, so call before visiting.
How can I verify Thomas Edwin Nielsen, M.D.'s license?
NPPES lists Illinois license number 036065215, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Thomas Edwin Nielsen, M.D. prescribe under Medicare Part D?
In 2024, Thomas Edwin Nielsen, M.D. had 19 Medicare Part D claims; the average among phlebology physician prescribers was 187. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.