NPPES file of Aug 9, 2026

Steven Mark Harsha, MD

Internal Medicine Physician · Oklahoma City, OK

Steven Mark Harsha, MD is an internal medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1689297244, issued on May 18, 2020. Check the license (Oklahoma 36054, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; 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
1689297244
Name
Steven Mark Harsha
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
36054 OK
1689297244 OK
Self-reported in NPPES; status is on the state search
Practice location
1000 NE 13TH St Ste 1G, Oklahoma City, OK 73104
Phone
(405) 271-3445
Enumerated
May 18, 2020
Record last updated
Aug 10, 2023
Fax
(405) 271-3401
Medicare enrollment
Enrolled (PECOS I20230930000647); accepts Medicare assignment
Medical or professional school
University Of Oklahoma College Of Medicine, 2020
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 1000 NE 13TH St Ste 1G

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

  1. Ahmed Abdelsatar Ali AbomhyaGastroenterology Physician1841810850
  2. Benjamin Cowley, MDNephrology Physician1427027457
  3. Juanita Gonzalez, CPHTPharmacy Technician1619772522
  4. Kirolos Iskander, MDNephrology Physician1326497462
  5. Emily KakishClinical Social Worker1407601149
  6. Syeda Taliya Rizvi, MDInternal Medicine Physician1275162992

Verify Steven Mark Harsha in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 36054
    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 Oklahoma 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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41% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,888 Medicare Part D claims for 171 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 101 claims were for opioids.

  1. Steven Harsha1,888
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium95 claims
  2. Mounjaro80 claims
  3. Amlodipine Besylate68 claims
  4. Gabapentin55 claims
  5. Albuterol Sulfate Hfa42 claims
  6. Methocarbamol41 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. OU Health Partners IncOklahoma City, OK

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

Steven Mark Harsha among 1,115 internal medicine physician records in Oklahoma

Steven Mark Harsha, MD is one of 1,115 internal medicine physician records with a practice address in Oklahoma. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 78% of them.

  • NPI issued2020 · 78% of these records are older, 16% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2020 · median 2007 among the 653 with a school on file
  • Record last updated2023 · 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 Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

418 internal medicine physician records list a practice address in Oklahoma City

They are 418 of the 22,359 NPPES records with a practice address in Oklahoma City, and 1,115 internal medicine physician records in Oklahoma.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mark Allee, MDOklahoma City, OK 731041255309597
  2. M Andrews, MDOklahoma City, OK 731041982672226
  3. Steve Blevins, MDOklahoma City, OK 731041538138565
  4. Dale Bratzler, D.O.Oklahoma City, OK 731041841272192
  5. Shouvik Chakrabarty, MDOklahoma City, OK 731041487622726
  6. Charles Folger, MDOklahoma City, OK 731041235105933
  7. Carlota Hernandez, M.D.Oklahoma City, OK 731041952373045
  8. Farrukh Jawaid, M.D.Oklahoma City, OK 731041366495616

Common questions

What is Steven Mark Harsha, MD's NPI number?

Steven Mark Harsha, MD's National Provider Identifier (NPI) is 1689297244, issued on May 18, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Steven Mark Harsha, MD located?

The NPPES record lists a practice address at 1000 NE 13TH St Ste 1G, Oklahoma City, OK, 73104. Phone: (405) 271-3445. Providers update this record themselves, so call before visiting.

How can I verify Steven Mark Harsha, MD's license?

NPPES lists Oklahoma license number 36054, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Steven Mark Harsha, MD prescribe under Medicare Part D?

In 2024, Steven Mark Harsha, MD had 1,888 Medicare Part D claims for 171 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.