NPPES file of Aug 9, 2026

Jeffrey B. Thomas, MD

Nephrology Physician · Denver, CO

Jeffrey B. Thomas, MD is a nephrology physician with a practice address in Denver, Colorado, and NPI 1851566616, issued on Apr 23, 2008. Check the license (Colorado 49765, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851566616
Name
Jeffrey B. Thomas
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
49765 CO
Self-reported in NPPES; status is on the state search
Practice location
950 E Harvard Ave, Denver, CO 80210
Phone
(303) 871-0977
Enumerated
Apr 23, 2008
Record last updated
Jun 27, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(303) 733-2387
Medicare enrollment
Enrolled (PECOS I20110901000091); accepts Medicare assignment
Medical or professional school
University Of Colorado School Of Medicine, Denver, 2006
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 950 E Harvard Ave

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

  1. Eric Albright, MD PCSpecialist1114989563
  2. Sylvia Balabusta, PA-CPhysician Assistant1265930010
  3. Terry Ball, AUDIOLOGISTAudiologist-Hearing Aid Fitter1487791240
  4. Laura Cannavo, M.D.Ophthalmology Physician1538103650
  5. Charles Crown, M.D.Psychiatry Physician1225241656
  6. Carl Demidovich, M.D.Dermatology Physician1558463307

Verify Jeffrey B. Thomas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 49765
    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 Colorado 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.

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43% fewer Medicare Part D claims than the average nephrology physician in 2024

842 Medicare Part D claims for 147 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Jeffrey Thomas842
  2. Specialty average1,465

Most prescribed

  1. Amlodipine Besylate66 claims
  2. Furosemide59 claims
  3. Losartan Potassium54 claims
  4. Lisinopril35 claims
  5. Jardiance34 claims
  6. Prosol34 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.

Industry payments in 2024: $139.12

2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jeffrey Thomas$139.12
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Denver Nephrologists PCDenver, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jeffrey B. Thomas among 182 nephrology physician records in Colorado

Jeffrey B. Thomas, MD is one of 182 nephrology physician records with a practice address in Colorado. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 69% of them.

  • NPI issued2008 · 69% of these records are older, 23% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2006 · median 2002 among the 133 with a school on file
  • Record last updated2016 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Colorado

There are 182 nephrology physician records in Colorado.

The 8 nephrology physician records with the nearest ZIP codes

  1. Mark Dillingham, M.D.Denver, CO 802101437142734
  2. Jeffrey Giullian, M.D.Denver, CO 802101073660932
  3. Michael Persoff, MDDenver, CO 802101336132638
  4. Richard Pluss, MDDenver, CO 802101245223544
  5. Rachita Prakash, M.D.Denver, CO 802101619141017
  6. Bijan Roshan, MDDenver, CO 802101043280407
  7. Jack Rusing, MDDenver, CO 802101720583206
  8. Maria-Gabriela Velez, MDDenver, CO 802101467765560

Common questions

What is Jeffrey B. Thomas, MD's NPI number?

Jeffrey B. Thomas, MD's National Provider Identifier (NPI) is 1851566616, issued on Apr 23, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey B. Thomas, MD located?

The NPPES record lists a practice address at 950 E Harvard Ave, Denver, CO, 80210. Phone: (303) 871-0977. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey B. Thomas, MD's license?

NPPES lists Colorado license number 49765, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jeffrey B. Thomas, MD prescribe under Medicare Part D?

In 2024, Jeffrey B. Thomas, MD had 842 Medicare Part D claims for 147 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.