Clayton Wayne Flanary, DO
Internal Medicine Physician · Tulsa, OK
Clayton Wayne Flanary, DO is an internal medicine physician with a practice address in Tulsa, Oklahoma, and NPI 1740215680, issued on Jul 11, 2006. Check the license (Oklahoma 3190, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Clayton Wayne Flanary
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 3190 OK
Self-reported in NPPES; status is on the state search - Practice location
- 10109 E 79TH St, Tulsa, OK 74133
- Phone
- (918) 233-9550
- Enumerated
- Jul 11, 2006
- Record last updated
- Sep 8, 2025
- Fax
- (918) 216-8095
- Medicaid ID
- 100126360A OK
- Medicare enrollment
- Enrolled (PECOS I20220719000528); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,115 in Oklahoma → Look up another NPI →
Also registered at 10109 E 79TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kylee Arreola, RNRegistered Nurse1437007416
- Kathyrn Bandy, MS RD LDOncology Nutrition Registered Dietitian1407475890
- Quinton Barrington, PHARM.D., M.B.A.Pharmacotherapy Pharmacist1952390635
- Brianna Belden, APRN-CNPNurse Practitioner1952084428
Verify Clayton Wayne Flanary 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 3190Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.3 times the Medicare Part D claims of the average internal medicine physician in 2024
13,784 Medicare Part D claims for 813 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 347 claims were for opioids.
Most prescribed
- Atorvastatin Calcium506 claims
- Amlodipine Besylate446 claims
- Lisinopril422 claims
- Gabapentin420 claims
- Omeprazole389 claims
- Pantoprazole Sodium352 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): 97.6 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).
Industry payments in 2024: $248.55
16 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Ahs Henryetta Hospital LLCHenryetta, OK
- Creek Nation Hospital And ClinicsTulsa, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clayton Wayne Flanary among 1,115 internal medicine physician records in Oklahoma
Clayton Wayne Flanary, DO 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 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 57% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1993 · median 2007 among the 653 with a school on file
- Record last updated2025 · 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).
307 internal medicine physician records list a practice address in Tulsa
They are 307 of the 18,643 NPPES records with a practice address in Tulsa, and 1,115 internal medicine physician records in Oklahoma.
All 1,115 in Oklahoma → Every provider in Tulsa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Dan Calhoun, MDTulsa, OK 741331255330528
- Stephen Calvert, M.D.Tulsa, OK 741331902875420
- John Cook, MDTulsa, OK 741331316905250
- Jonelle Dutton-Gaddis, D.O.Tulsa, OK 741331982680757
- Catherine Gaffney, DOTulsa, OK 741331831143155
- Michael Gebetsberger, MDTulsa, OK 741331851378350
- Lisa King, MDTulsa, OK 741331073545885
- Renae Mayer, M.D.Tulsa, OK 741331093752503
Common questions
What is Clayton Wayne Flanary, DO's NPI number?
Clayton Wayne Flanary, DO's National Provider Identifier (NPI) is 1740215680, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Clayton Wayne Flanary, DO located?
The NPPES record lists a practice address at 10109 E 79TH St, Tulsa, OK, 74133. Phone: (918) 233-9550. Providers update this record themselves, so call before visiting.
How can I verify Clayton Wayne Flanary, DO's license?
NPPES lists Oklahoma license number 3190, 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 Clayton Wayne Flanary, DO prescribe under Medicare Part D?
In 2024, Clayton Wayne Flanary, DO had 13,784 Medicare Part D claims for 813 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Clayton Wayne Flanary, DO's MIPS final score?
The 2023 MIPS final score is 97.6 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.