Mark Adrain Kiefer, MD
Colon & Rectal Surgery Physician · Tulsa, OK
Mark Adrain Kiefer, MD is a colon & rectal 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.
- Name
- Mark Adrain Kiefer
- Credential
- MD
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- 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
- Record last updated
- Oct 2, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (918) 403-6349
- Medicare enrollment
- Enrolled (PECOS I20090720000582); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 19 in Oklahoma → Look up another NPI →
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.
- Angel Allen, APRNFamily Nurse Practitioner1528539475
- Rodney Clingan, M.D.Colon & Rectal Surgery Physician1669433421
- Matthew Coburn, M.D.Surgery Physician1255560488
- Mitchell McCain, MDColon & Rectal Surgery Physician1578183703
- Maria Cristina Trinidad, DNP, AGACNP-BCAcute Care Nurse Practitioner1619615523
Verify Mark Adrain Kiefer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 27205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024
143 Medicare Part D claims for 75 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. 50 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen44 claims
- Neomycin Sulfate33 claims
- Metronidazole20 claims
- 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 MIPS final score for 2023 (Medicare payment program): 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- St. John Physicians, Inc.Tulsa, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Adrain Kiefer among 19 colon & rectal surgery physician records in Oklahoma
Mark Adrain Kiefer, MD is one of 19 colon & rectal surgery physician records with a practice address in Oklahoma. 89% 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 0% of them.
- NPI issued2006 · 0% of these records are older, 53% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2003 · median 2007 among the 15 with a school on file
- Record last updated2020 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in Oklahoma
There are 19 colon & rectal surgery physician records in Oklahoma.
All 19 in Oklahoma → Every provider in Tulsa → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- H. Allred, MDTulsa, OK 741041801827514
- Rodney Clingan, M.D.Tulsa, OK 741041669433421
- Mitchell McCain, MDTulsa, OK 741041578183703
- Tiffany Whipple, DOTulsa, OK 741041306343322
- Stuart Hoff, MDTulsa, OK 741351932212578
- Dylan Barnes, MDTulsa, OK 741361306405741
- Shelley Capehart, MDTulsa, OK 741361013941418
- Kaitlin DomekTulsa, OK 741361932595576
Common questions
What is Mark Adrain Kiefer, MD's NPI number?
Mark Adrain 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 Adrain 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 Adrain 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 Adrain Kiefer, MD prescribe under Medicare Part D?
In 2024, Mark Adrain Kiefer, MD had 143 Medicare Part D claims for 75 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.
What is Mark Adrain Kiefer, MD's MIPS final 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), 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.