NPPES file of Aug 9, 2026

Michael Warren Griffin, D.O.

Surgery Physician · Tulsa, OK

Michael Warren Griffin, D.O. is a surgery physician with a practice address in Tulsa, Oklahoma, and NPI 1912968652, issued on Mar 31, 2006. Check the license (Oklahoma 3662, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912968652
Name
Michael Warren Griffin
Credential
D.O.
Primary taxonomy
Surgery Physician 208600000X
License number
3662 OK
Self-reported in NPPES; status is on the state search
Practice location
2448 E 81St St, Tulsa, OK 74137
Phone
(918) 505-3400
Enumerated
Mar 31, 2006
Record last updated
Apr 13, 2023
Fax
(918) 508-7070
Medicaid ID
200024540A OK
Medicare enrollment
Enrolled (PECOS I20040514001121); accepts Medicare assignment
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 2448 E 81St St

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

  1. Brittany BensonRehabilitation Practitioner1174807937
  2. Brandi Cannon, MA:MFT USMarriage & Family Therapist1881984284
  3. Roselene Coblentz, PH.D.Marriage & Family Therapist1750534517
  4. Christopher Cole, D.O.Surgery Physician1457312001
  5. Scott Cordray, DOOtolaryngology Physician1982693396
  6. John Frame, M.D.Surgery Physician1548221930

Verify Michael Warren Griffin 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 3662
    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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16% more Medicare Part D claims than the average surgery physician in 2024

171 Medicare Part D claims for 93 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 96 claims were for opioids.

  1. Michael Griffin171
  2. Specialty average147

Most prescribed

  1. Oxycodone Hcl46 claims
  2. Oxycodone-Acetaminophen40 claims
  3. Cephalexin12 claims
  4. Gattex11 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): 65.1 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 score39.2
  2. Costout of 100 · 30%24.7
  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).

Industry payments in 2024: $2,489.47

9 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Griffin$2,489.47
  2. Specialty average$3,513.80

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

Bills Medicare through 2 group practices

  1. Care Communications LLCTulsa, OK
  2. Surgical Associates IncTulsa, OK

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

Michael Warren Griffin among 348 surgery physician records in Oklahoma

Michael Warren Griffin, D.O. is one of 348 surgery physician records with a practice address in Oklahoma. 71% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 53% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated1998 · median 2004 among the 195 with a school on file
  • Record last updated2023 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Oklahoma

There are 348 surgery physician records in Oklahoma.

The 8 surgery physician records with the nearest ZIP codes

  1. Ladd Atkins, D.O.Tulsa, OK 741371912198375
  2. Christopher Cole, D.O.Tulsa, OK 741371457312001
  3. Kevin Fisher, D.O.Tulsa, OK 741371831150580
  4. John Frame, M.D.Tulsa, OK 741371548221930
  5. Craig Johnson, M.D.Tulsa, OK 741371780645531
  6. Mark Meese, M.D.Tulsa, OK 741371407817802
  7. Bryce Murray, MDTulsa, OK 741371871615757
  8. Addison Roberts, D.O.Tulsa, OK 741371326494717

Common questions

What is Michael Warren Griffin, D.O.'s NPI number?

Michael Warren Griffin, D.O.'s National Provider Identifier (NPI) is 1912968652, issued on Mar 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Warren Griffin, D.O. located?

The NPPES record lists a practice address at 2448 E 81St St, Tulsa, OK, 74137. Phone: (918) 505-3400. Providers update this record themselves, so call before visiting.

How can I verify Michael Warren Griffin, D.O.'s license?

NPPES lists Oklahoma license number 3662, 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 Warren Griffin, D.O. prescribe under Medicare Part D?

In 2024, Michael Warren Griffin, D.O. had 171 Medicare Part D claims for 93 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

What is Michael Warren Griffin, D.O.'s MIPS final score?

The 2023 MIPS final score is 65.1 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.