NPPES file of Aug 9, 2026

Marriam Khan, DO

Internal Medicine Physician · Philadelphia, PA

Marriam Khan, DO is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1922739622, issued on Jun 22, 2022. Check the license (Pennsylvania OT022152, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922739622
Name
Marriam Khan
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
OT022152 PA
25MB12584600 NJ
Self-reported in NPPES; status is on the state search
Practice location
10800 Knights RD, Philadelphia, PA 19114
Phone
(215) 612-4000
Enumerated
Jun 22, 2022
Record last updated
Oct 27, 2025
Medicare enrollment
Enrolled (PECOS I20251114003833); 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 10800 Knights RD

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

  1. Ibrahim Abaherah, DOStudent in an Organized Health Care Education/Training Program1942004189
  2. Vincent Abiona, MD, MPHStudent in an Organized Health Care Education/Training Program1245966126
  3. Frederick Allen, MDAnesthesiology Physician1033279617
  4. Nathan Alspaugh, DOStudent in an Organized Health Care Education/Training Program1881443976
  5. Kimberly Angelina, PA-CMedical Physician Assistant1497222871
  6. Fatima Athar, MDStudent in an Organized Health Care Education/Training Program1952229445

Verify Marriam Khan 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 OT022152
    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

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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86% fewer Medicare Part D claims than the average internal medicine physician in 2024

450 Medicare Part D claims for 145 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Marriam Khan450
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium38 claims
  2. Lisinopril18 claims
  3. Famotidine16 claims
  4. Metoprolol Succinate16 claims
  5. Fluticasone Propionate15 claims
  6. Furosemide15 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

  1. Rwjbh Emergency Medicine Associates, LLCRahway, NJ

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

Marriam Khan among 7,300 internal medicine physician records in Pennsylvania

Marriam Khan, DO 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 2022, is newer than 85% of them.

  • NPI issued2022 · 85% of these records are older, 11% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2022 · median 2008 among the 4,208 with a school on file
  • Record last updated2025 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Neeja Bakshi, D.O.Philadelphia, PA 191141760668024
  2. Domenick Bucci, M.D.Philadelphia, PA 191141386873446
  3. Neal Erkes, M.D.Philadelphia, PA 191141750338349
  4. Matthew Fallstick, D.O.Philadelphia, PA 191141891015517
  5. Lisa GalantePhiladelphia, PA 191141992711493
  6. David Hanes, MDPhiladelphia, PA 191141154370567
  7. John Lee, MDPhiladelphia, PA 191141538188040
  8. Olubunmi Olarewaju, D.OPhiladelphia, PA 191141225324502

Common questions

What is Marriam Khan, DO's NPI number?

Marriam Khan, DO's National Provider Identifier (NPI) is 1922739622, issued on Jun 22, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Marriam Khan, DO located?

The NPPES record lists a practice address at 10800 Knights RD, Philadelphia, PA, 19114. Phone: (215) 612-4000. Providers update this record themselves, so call before visiting.

How can I verify Marriam Khan, DO's license?

NPPES lists Pennsylvania license number OT022152, 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 Marriam Khan, DO prescribe under Medicare Part D?

In 2024, Marriam Khan, DO had 450 Medicare Part D claims for 145 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.