NPPES file of Aug 9, 2026

Jennifer S. Gass, MD

Hematology & Oncology Physician · Providence, RI

Jennifer S. Gass, MD is a hematology & oncology physician with a practice address in Providence, Rhode Island, and NPI 1225065139, issued on Jun 27, 2006. Check the license (Rhode Island MD08540, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; 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
1225065139
Name
Jennifer S. Gass
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
MD08540 RI
Self-reported in NPPES; status is on the state search
Practice location
101 Dudley St, Providence, RI 02905
Phone
(401) 274-1122
Enumerated
Jun 27, 2006
Record last updated
Feb 16, 2026
Medicare enrollment
Enrolled (PECOS I20110120001174); accepts Medicare assignment
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 101 Dudley St

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

  1. Lauren Abern, MDObstetrics & Gynecology Physician1851528467
  2. Emily Adams, MDObstetrics & Gynecology Physician1750021622
  3. Victoria Adewale, MDObstetrics & Gynecology Physician1467015024
  4. Brigida Aguiar, LICSWSocial Worker1356360572
  5. Barbara Alksninis, NPPPediatric Nurse Practitioner1447586490
  6. Rebecca Allen, MDGynecology Physician1669457735

Verify Jennifer S. Gass in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
    Search for license MD08540    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 Rhode Island 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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Industry payments in 2024: $1,323.00

3 payments; by number, the most common kind was food and beverage; the largest payer was Illumina, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jennifer Gass$1,323.00
  2. Specialty average$7,481.41

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. Affinity Physicians LLC.Warwick, RI

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

Hematology & Oncology Physician providers in Rhode Island

There are 88 hematology & oncology physician records in Rhode Island.

All 88 in Rhode Island → Every provider in Providence →

Other hematology & oncology physician records in Rhode Island

  1. Hussein Abu-Hashish, MDProvidence, RI1154908093
  2. Khaja Ahmed, MD, CHEProvidence, RI1851308209
  3. Muhammad Akhtar, M.D.East Providence, RI1548238918
  4. Ogheneyoma Akpoviroro-Sauers, MDProvidence, RI1275111676
  5. Sylvia Alarcon Velasco, M.D.Wakefield, RI1083097091
  6. Khaldoun Almhanna, MD, MPHProvidence, RI1790977650
  7. Alvaro Alvarez SotoProvidence, RI1558922674
  8. Peter Barth, M.D.Providence, RI1124382445
  9. Ariel Birnbaum, M.D.Providence, RI1942212790
  10. Theodor Borgovan, M.D.Providence, RI1619397676

Common questions

What is Jennifer S. Gass, MD's NPI number?

Jennifer S. Gass, MD's National Provider Identifier (NPI) is 1225065139, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer S. Gass, MD located?

The NPPES record lists a practice address at 101 Dudley St, Providence, RI, 02905. Phone: (401) 274-1122. Providers update this record themselves, so call before visiting.

How can I verify Jennifer S. Gass, MD's license?

NPPES lists Rhode Island license number MD08540, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.