Registry data as of Aug 27, 2026

Mark Kiefer, MD

Surgery Physician · Tulsa, OK

Mark Kiefer, MD is a surgery physician with a practice address in Tulsa, Oklahoma, and NPI 1992896567, issued on Sep 27, 2006. Check the license (Oklahoma 27205, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1992896567
Name
Mark Kiefer
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License number
27205 OK
Self-reported in NPPES; status is on the state search
Practice location
1705 E 19TH St Ste 502, Tulsa, OK 74104
Phone
(918) 748-7800
Enumerated
Sep 27, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1705 E 19TH St Ste 502

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

  1. Angel Allen, APRNFamily Nurse Practitioner1528539475
  2. Rodney Clingan, M.D.Colon & Rectal Surgery Physician1669433421
  3. Matthew Coburn, M.D.Surgery Physician1255560488
  4. Mitchell McCain, MDColon & Rectal Surgery Physician1578183703
  5. Maria Cristina Trinidad, DNP, AGACNP-BCAcute Care Nurse Practitioner1619615523

Verify Mark Kiefer 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 27205
    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.

18% fewer Medicare Part D claims than the average surgery physician in 2024

143 Medicare Part D claims for 75 beneficiaries, against an average of 174 among the 21,427 providers of this specialty who prescribed in Part D. 50 claims were for opioids.

  1. Mark Kiefer143
  2. Specialty average174

Most prescribed

  1. Hydrocodone-Acetaminophen44 claims
  2. Neomycin Sulfate33 claims
  3. Metronidazole20 claims
  4. Gavilyte-G15 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 Medicare quality score for 2023: 91.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score74.1
  2. Costout of 100 · 30%
  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; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. St. John Physicians, Inc.Tulsa, OK

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Surgery Physician providers in Oklahoma

There are 402 surgery physician records in Oklahoma.

Other surgery physician records in Oklahoma

  1. Nitin AbrolOklahoma City, OK1134647183
  2. Haley Adams, DOGrove, OK1154747053
  3. Larry Adams, MDEdmond, OK1669471454
  4. Celeste Adrian, M.D.Ada, OK1265796023
  5. Carson Agee, M.D.Oklahoma City, OK1942203575
  6. Ricardo AguilarTulsa, OK1427317791
  7. Jae Ahn, MDOklahoma City, OK1053102202
  8. Ghaith Al-Qudah, M.D.Ada, OK1629421409
  9. Nasser Alamiri, MDTulsa, OK1780027896
  10. Roxie Albrecht, MDOklahoma City, OK1740258086

Common questions

What is Mark Kiefer, MD's NPI number?

Mark Kiefer, MD's National Provider Identifier (NPI) is 1992896567, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Kiefer, MD located?

The NPPES record lists a practice address at 1705 E 19TH St Ste 502, Tulsa, OK, 74104. Phone: (918) 748-7800. Providers update this record themselves, so call before visiting.

How can I verify Mark Kiefer, MD's license?

NPPES lists Oklahoma license number 27205, 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 Mark Kiefer, MD prescribe under Medicare Part D?

In 2024, Mark Kiefer, MD had 143 Medicare Part D claims for 75 beneficiaries; the average among surgery physician prescribers was 174. Part D covers Medicare prescriptions only.

What is Mark Kiefer, MD's Medicare quality score?

The 2023 MIPS final score is 91.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.