NPPES file of Aug 9, 2026

Gabrielle Welch Peters, MD

Radiation Oncology Physician · Philadelphia, PA

Gabrielle Welch Peters, MD is a radiation oncology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1245750314, issued on Jun 21, 2017. Check the license (Pennsylvania MD484875, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245750314
Name
Gabrielle Welch Peters
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
MD484875 PA
Self-reported in NPPES; status is on the state search
Practice location
3400 Spruce Street, Philadelphia, PA 19104
Phone
(215) 662-2428
Enumerated
Jun 21, 2017
Record last updated
Apr 16, 2025
Fax
(215) 349-5923
Medicare enrollment
Enrolled (PECOS I20240618002842); accepts Medicare assignment
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 3400 Spruce Street

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

  1. Stephanie Abbuhl, MDEmergency Medicine Physician1649215195
  2. Shahrzad Abdollahi, M.D.Rheumatology Physician1518494178
  3. Sarah Abdulla, MDVascular & Interventional Radiology Physician1427342336
  4. Alice Abernathy, MDObstetrics & Gynecology Physician1740711498
  5. Mariam Aboian, M.D., PH.D.Diagnostic Radiology Physician1356669386
  6. Samir Abu Gazala, M.D.Surgery Physician1750708251

Verify Gabrielle Welch Peters in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD484875
    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 Pennsylvania license search

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

77 Medicare Part D claims for 33 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Gabrielle Peters77
  2. Specialty average134

Most prescribed

  1. Pantoprazole Sodium11 claims
  2. Tamsulosin Hcl11 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score75.8
  2. Costout of 100 · 30%51.4
  3. Promoting interoperabilityout of 100 · 25%74.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. University OF Penn - Medical GroupPhiladelphia, PA

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

Radiation Oncology Physician providers in Pennsylvania

There are 383 radiation oncology physician records in Pennsylvania.

Other radiation oncology physician records in Pennsylvania

  1. Stephen Abel, DOClarion, PA1033642319
  2. Manuj Agarwal, MDPhiladelphia, PA1316262363
  3. Peter Ahn, M.D.Philadelphia, PA1710117106
  4. Ayesha Ali, MDLancaster, PA1538663851
  5. Fiori AliteLewisburg, PA1811289127
  6. Michelle Alonso-Basanta, MDPhiladelphia, PA1831393800
  7. Antonio Ambrad, M.D.Pittsburgh, PA1205837143
  8. Penny Anderson, M.D.Philadelphia, PA1811969868
  9. David Andolino, MDEaston, PA1477715407
  10. Charles Andrews, MDAllentown, PA1427031657

Common questions

What is Gabrielle Welch Peters, MD's NPI number?

Gabrielle Welch Peters, MD's National Provider Identifier (NPI) is 1245750314, issued on Jun 21, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Gabrielle Welch Peters, MD located?

The NPPES record lists a practice address at 3400 Spruce Street, Philadelphia, PA, 19104. Phone: (215) 662-2428. Providers update this record themselves, so call before visiting.

How can I verify Gabrielle Welch Peters, MD's license?

NPPES lists Pennsylvania license number MD484875, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gabrielle Welch Peters, MD prescribe under Medicare Part D?

In 2024, Gabrielle Welch Peters, MD had 77 Medicare Part D claims for 33 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is Gabrielle Welch Peters, MD's MIPS final score?

The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.