Graeme Robert Williams, MD, MBA
Radiation Oncology Physician · Philadelphia, PA
Graeme Robert Williams, MD, MBA is a radiation oncology physician with a practice address in Philadelphia, Pennsylvania, and NPI 1780115873, issued on Mar 21, 2017. Check the license (Pennsylvania MD472366, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Graeme Robert Williams
- Credential
- MD, MBA
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- MD472366 PA
25MA11338000 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Spruce Street, Philadelphia, PA 19104
- Phone
- (215) 662-2428
- Enumerated
- Mar 21, 2017
- Record last updated
- Jul 6, 2026
- Fax
- (215) 349-5923
- Medicare enrollment
- Enrolled (PECOS I20221027003264); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 383 in Pennsylvania → Look up another NPI →
Also registered at 3400 Spruce Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sarah Abdulla, MDVascular & Interventional Radiology Physician1427342336
- Alice Abernathy, MDObstetrics & Gynecology Physician1740711498
- Mariam Aboian, M.D., PH.D.Diagnostic Radiology Physician1356669386
- Samir Abu Gazala, M.D.Surgery Physician1750708251
Verify Graeme Robert Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD472366Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average radiation oncology physician in 2024
320 Medicare Part D claims for 95 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 40 claims were for opioids.
Most prescribed
- Tamsulosin Hcl56 claims
- Dexamethasone37 claims
- Oxycodone Hcl30 claims
- Gabapentin18 claims
- Pantoprazole Sodium14 claims
- Silver Sulfadiazine12 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): 85.5 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $18.37
1 payment: food and beverage; the largest payer was Novocure Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Clinical Health Care Associates OF New Jersey PCCherry Hill, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Graeme Robert Williams among 383 radiation oncology physician records in Pennsylvania
Graeme Robert Williams, MD, MBA is one of 383 radiation oncology physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 85% of them.
- NPI issued2017 · 85% of these records are older, 11% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2017 · median 2004 among the 285 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Pennsylvania
There are 383 radiation oncology physician records in Pennsylvania.
All 383 in Pennsylvania → Every provider in Philadelphia → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Steven Feigenberg, MDPhiladelphia, PA 191041790705754
- Gary Kao, MDPhiladelphia, PA 191041023048014
- James Kolker, MDPhiladelphia, PA 191041568433373
- Andre Konski, MDPhiladelphia, PA 191041407873219
- Robert Krisch, MDPhiladelphia, PA 191041144298563
- William Levin, M.D.Philadelphia, PA 191041316920234
- Amit Maity, MDPhiladelphia, PA 191041730119728
- James Metz, MDPhiladelphia, PA 191041790717007
Common questions
What is Graeme Robert Williams, MD, MBA's NPI number?
Graeme Robert Williams, MD, MBA's National Provider Identifier (NPI) is 1780115873, issued on Mar 21, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Graeme Robert Williams, MD, MBA 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 Graeme Robert Williams, MD, MBA's license?
NPPES lists Pennsylvania license number MD472366, 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 Graeme Robert Williams, MD, MBA prescribe under Medicare Part D?
In 2024, Graeme Robert Williams, MD, MBA had 320 Medicare Part D claims for 95 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Graeme Robert Williams, MD, MBA's MIPS final score?
The 2023 MIPS final score is 85.5 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.