Registry data as of Aug 27, 2026

Ryan Thomas, MD

Hematology & Oncology Physician · Burlington, VT

Ryan Thomas, MD is a hematology & oncology physician with a practice address in Burlington, Vermont, and NPI 1841750577, issued on Mar 20, 2019. Check the license (Vermont 042.0018643, as entered in NPPES) on the Vermont Board of Medical Practice; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1841750577
Name
Ryan Thomas
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
042.0018643 VT
346274 NY
Self-reported in NPPES; status is on the state search
Practice location
111 Colchester Ave, Burlington, VT 05401
Phone
(802) 847-2345
Enumerated
Mar 20, 2019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 111 Colchester Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kevin Abnet, MDAnesthesiology Physician1699742437
  2. Faiz Abu-Jaber, MDInternal Medicine Physician1184201964
  3. Brittney Accavallo, RNNeonatal Nurse Practitioner1083255459
  4. Daniel Ackil, DOEmergency Medicine Physician1033558879
  5. Rachel Adelsheim, MDStudent in an Organized Health Care Education/Training Program1700589637
  6. Steven Ades, MDHematology & Oncology Physician1972796167

Verify Ryan Thomas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVermont Board of Medical Practice
    Search for license 042.0018643
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Vermont license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

89% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

99 Medicare Part D claims for 26 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Ryan Thomas99
  2. Specialty average877

Most prescribed

  1. Hydromorphone Hcl12 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

  1. University OF Vermont Medical Center IncBurlington, VT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Hematology & Oncology Physician providers in Vermont

There are 22 hematology & oncology physician records in Vermont.

Other hematology & oncology physician records in Vermont

  1. Steven Ades, MDBurlington, VT1972796167
  2. Diego Adrianzen Herrera, M.D.Burlington, VT1114367463
  3. Maura Barry, MDBurlington, VT1104021021
  4. Richard Branda, M.D.Burlington, VT1043302979
  5. Dimitrios Drekolias, MDBurlington, VT1114582178
  6. Allan Eisemann, MDRutland, VT1801993811
  7. Barbara Grant, M.D.Burlington, VT1245343219
  8. Chris Holmes, MDBurlington, VT1972619617
  9. Sakshi Jasra, MDBurlington, VT1578991675
  10. Duaa Kanan, M.D.Burlington, VT1073251435

Common questions

What is Ryan Thomas, MD's NPI number?

Ryan Thomas, MD's National Provider Identifier (NPI) is 1841750577, issued on Mar 20, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Ryan Thomas, MD located?

The NPPES record lists a practice address at 111 Colchester Ave, Burlington, VT, 05401. Phone: (802) 847-2345. Providers update this record themselves, so call before visiting.

How can I verify Ryan Thomas, MD's license?

NPPES lists Vermont license number 042.0018643, as entered by the provider. Search the Vermont Board of Medical Practice at https://www.healthvermont.gov/systems/board-medical-practice. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ryan Thomas, MD prescribe under Medicare Part D?

In 2024, Ryan Thomas, MD had 99 Medicare Part D claims for 26 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.