NPPES file of Aug 9, 2026

Mariam Khan, MD

Rheumatology Physician · Harrisburg, PA

Mariam Khan, MD is a rheumatology physician with a practice address in Harrisburg, Pennsylvania, and NPI 1346411824, issued on Mar 12, 2008. Check the license (Pennsylvania MD439594, 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
1346411824
Name
Mariam Khan
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
License numbers
MD439594 PA
57.014380 OH
Self-reported in NPPES; status is on the state search
Practice location
810 Sir Thomas CT Ste 101, Harrisburg, PA 17109
Phone
(717) 614-4420
Enumerated
Mar 12, 2008
Record last updated
Dec 10, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(717) 614-4421
Medicaid ID
102537799 PA
Medicare enrollment
Enrolled (PECOS I20101027001328); 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 810 Sir Thomas CT Ste 101

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

  1. Janet Adeyemi, CRNPFamily Nurse Practitioner1407643257
  2. Okan Akay, M.D.Infectious Disease Physician1548503584
  3. Lindsey Aumiller, CRNPGerontology Nurse Practitioner1689220535
  4. Thomas Blazi, CRNPAcute Care Nurse Practitioner1073252854
  5. Amy Christeleit, CRNPFamily Nurse Practitioner1447656525
  6. Hannah Coldren, CRNP, FNP-CFamily Nurse Practitioner1700715695

Verify Mariam 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 MD439594
    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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27% fewer Medicare Part D claims than the average rheumatology physician in 2024

1,450 Medicare Part D claims for 294 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.

  1. Mariam Khan1,450
  2. Specialty average1,978

Most prescribed

  1. Hydroxychloroquine Sulfate384 claims
  2. Methotrexate155 claims
  3. Prednisone118 claims
  4. Gabapentin92 claims
  5. Duloxetine Hcl84 claims
  6. Allopurinol69 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): 82.5 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.

  1. Qualityout of 100 · 30% of the final score76.6
  2. Costout of 100 · 30%65.2
  3. Promoting interoperabilityout of 100 · 25%100.0
  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. Pinnacle Health Medical ServicesHarrisburg, PA

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

Mariam Khan among 413 rheumatology physician records in Pennsylvania

Mariam Khan, MD is one of 413 rheumatology physician records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 58% of them.

  • NPI issued2008 · 58% of these records are older, 38% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2003 · median 2004 among the 275 with a school on file
  • Record last updated2020 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Pennsylvania

There are 413 rheumatology physician records in Pennsylvania.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Mamta Sherchan, MDHarrisburg, PA 171091750667051
  2. Natalie Dubchak, MDHarrisburg, PA 171121760638050
  3. Shwu-Yn Chang, CRNPMiddletown, PA 170571710520853
  4. Kristie Pepper, D.O.Middletown, PA 170571063778934
  5. Larissa Sachs, MDLemoyne, PA 170431669641379
  6. Francis Gallagher, MDLebanon, PA 170421942360136
  7. Ernesto Gutierrez, MDLebanon, PA 170421255330718
  8. Thomas Kantor, M.D.Lebanon, PA 170421962494401

Common questions

What is Mariam Khan, MD's NPI number?

Mariam Khan, MD's National Provider Identifier (NPI) is 1346411824, issued on Mar 12, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Mariam Khan, MD located?

The NPPES record lists a practice address at 810 Sir Thomas CT Ste 101, Harrisburg, PA, 17109. Phone: (717) 614-4420. Providers update this record themselves, so call before visiting.

How can I verify Mariam Khan, MD's license?

NPPES lists Pennsylvania license number MD439594, 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 Mariam Khan, MD prescribe under Medicare Part D?

In 2024, Mariam Khan, MD had 1,450 Medicare Part D claims for 294 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

What is Mariam Khan, MD's MIPS final score?

The 2023 MIPS final score is 82.5 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.