NPPES file of Aug 9, 2026

Michael Joseph Keefer, M.D.

Hematology & Oncology Physician · Oklahoma City, OK

Michael Joseph Keefer, M.D. is a hematology & oncology physician with a practice address in Oklahoma City, Oklahoma, and NPI 1386697548, issued on May 18, 2006. Check the license (Oklahoma 13774, 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
1386697548
Name
Michael Joseph Keefer
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
13774 OK
Self-reported in NPPES; status is on the state search
Practice location
4205 Mcauley Blvd, Oklahoma City, OK 73120
Phone
(405) 751-4343
Enumerated
May 18, 2006
Record last updated
Mar 1, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(405) 751-4346
Medicare enrollment
Enrolled (PECOS I20091201000257); accepts Medicare assignment
Medical or professional school
University Of Oklahoma College Of Medicine, 1981
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 4205 Mcauley Blvd

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

  1. Abby Bova, MDHematology & Oncology Physician1013058452
  2. Vikki Canfield, M.D.Hematology & Oncology Physician1659322378
  3. Sherri Eakins, O. DOptometrist1235123506
  4. Francis Frost, PA-CPhysician Assistant1508943960
  5. Ashley Grados, APRN-NPFamily Nurse Practitioner1720662752
  6. John Hummel, M.DOphthalmology Physician1609860873

Verify Michael Joseph Keefer 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 13774
    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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2.6 times the Medicare Part D claims of the average hematology & oncology physician in 2024

2,241 Medicare Part D claims for 293 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims. 292 claims were for opioids.

  1. Michael Keefer2,241
  2. Specialty average877

Most prescribed

  1. Anastrozole168 claims
  2. Oxycodone Hcl140 claims
  3. Gabapentin119 claims
  4. Acyclovir88 claims
  5. Calquence86 claims
  6. Eliquis83 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.

Industry payments in 2024: $285.92

15 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Keefer$285.92
  2. Specialty average$7,481.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Mercy Clinic Oklahoma CommunitiesOklahoma City, OK

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

Michael Joseph Keefer among 128 hematology & oncology physician records in Oklahoma

Michael Joseph Keefer, M.D. is one of 128 hematology & oncology physician records with a practice address in Oklahoma. 90% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated1981 · median 2004 among the 97 with a school on file
  • Record last updated2018 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Oklahoma

There are 128 hematology & oncology physician records in Oklahoma.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Abby Bova, MDOklahoma City, OK 731201013058452
  2. Vikki Canfield, M.D.Oklahoma City, OK 731201659322378
  3. Sanjaykumar Hapani, M.DEdmond, OK 731201952508533
  4. Nasser Janbay, M.D.Oklahoma City, OK 731201699768374
  5. Mohamed Kanaa, MDOklahoma City, OK 731201215932496
  6. Danielle Kramer-Smotherman, D.O.Oklahoma City, OK 731201669886677
  7. Carla Kurkjian, M.D.Oklahoma City, OK 731201760534127
  8. Clay Reed, MDOklahoma City, OK 731201841721438

Common questions

What is Michael Joseph Keefer, M.D.'s NPI number?

Michael Joseph Keefer, M.D.'s National Provider Identifier (NPI) is 1386697548, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Joseph Keefer, M.D. located?

The NPPES record lists a practice address at 4205 Mcauley Blvd, Oklahoma City, OK, 73120. Phone: (405) 751-4343. Providers update this record themselves, so call before visiting.

How can I verify Michael Joseph Keefer, M.D.'s license?

NPPES lists Oklahoma license number 13774, 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 Michael Joseph Keefer, M.D. prescribe under Medicare Part D?

In 2024, Michael Joseph Keefer, M.D. had 2,241 Medicare Part D claims for 293 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.