Mark G. Graham, M.D.
Internal Medicine Physician · Philadelphia, PA
Mark G. Graham, M.D. is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1245258482, issued on Jul 17, 2006. Check the license (Pennsylvania MD-022223-E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Mark G. Graham
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD-022223-E PA
Self-reported in NPPES; status is on the state search - Practice location
- 2301 S Broad St, Philadelphia, PA 19148
- Phone
- (215) 551-8660
- Enumerated
- Jul 17, 2006
- Record last updated
- Mar 24, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (215) 551-9247
- Medicaid IDs
- 000810360 PA
7569106 NJ - Medicare enrollment
- Enrolled (PECOS I20050124000580); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 1978
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 2301 S Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Varun Aggarwal, M.D.Internal Medicine Physician1447515317
- Mark Allan, MDDiagnostic Radiology Physician1477594463
- Irene Amadio, C.R.N.A.Certified Registered Nurse Anesthetist1255338729
- Anuradha Amara, M.D.Internal Medicine Physician1790919009
- Jennifer Anderson, PAMedical Physician Assistant1659530673
- Robert Andrews, CRNACertified Registered Nurse Anesthetist1053308387
Verify Mark G. Graham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD-022223-ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.4 times the Medicare Part D claims of the average internal medicine physician in 2024
13,848 Medicare Part D claims for 1,463 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 391 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,090 claims
- Amlodipine Besylate585 claims
- Omeprazole494 claims
- Levothyroxine Sodium487 claims
- Rosuvastatin Calcium451 claims
- Losartan Potassium438 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
- Jefferson University PhysiciansPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark G. Graham among 7,300 internal medicine physician records in Pennsylvania
Mark G. Graham, M.D. is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1978 · median 2008 among the 4,208 with a school on file
- Record last updated2015 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,855 internal medicine physician records list a practice address in Philadelphia
They are 1,855 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Philadelphia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Waheeda Ali, M.D.Philadelphia, PA 191481306829783
- Karl Benedict, M.D.Philadelphia, PA 191481215955448
- Jennifer Cowan, M.D.Philadelphia, PA 191481801867361
- Robert Fortino, D.O.Philadelphia, PA 191481104939578
- Joseph Mangel, D.O.Philadelphia, PA 191481093759409
- Jeffrey Maron, DOPhiladelphia, PA 191481295775963
- Andrew Miller, M.D.Philadelphia, PA 191481366458549
- Gregory Mokrynski, M.D.Philadelphia, PA 191481265466510
Common questions
What is Mark G. Graham, M.D.'s NPI number?
Mark G. Graham, M.D.'s National Provider Identifier (NPI) is 1245258482, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark G. Graham, M.D. located?
The NPPES record lists a practice address at 2301 S Broad St, Philadelphia, PA, 19148. Phone: (215) 551-8660. Providers update this record themselves, so call before visiting.
How can I verify Mark G. Graham, M.D.'s license?
NPPES lists Pennsylvania license number MD-022223-E, 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 Mark G. Graham, M.D. prescribe under Medicare Part D?
In 2024, Mark G. Graham, M.D. had 13,848 Medicare Part D claims for 1,463 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.