Michael R. Mason, MD
Family Medicine Physician · Ada, OK
Michael R. Mason, MD is a family medicine physician with a practice address in Ada, Oklahoma, and NPI 1821076126, issued on Jan 6, 2006. Check the license (Oklahoma 15309, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Michael R. Mason
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 15309 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1921 Stonecipher Boulevard, Ada, OK 74820
- Phone
- (580) 421-6260
- Enumerated
- Jan 6, 2006
- Record last updated
- Aug 25, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (580) 272-5732
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,303 in Oklahoma → Look up another NPI →
Also registered at 1921 Stonecipher Boulevard
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael R. Mason 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 15309Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average family medicine physician in 2024
10,214 Medicare Part D claims for 161 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 26 claims were for opioids.
Most prescribed
- Losartan Potassium500 claims
- Omeprazole474 claims
- Montelukast Sodium395 claims
- Synthroid394 claims
- Amlodipine Besylate380 claims
- Rosuvastatin Calcium350 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): 65.7 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Michael R. Mason among 2,303 family medicine physician records in Oklahoma
Michael R. Mason, MD is one of 2,303 family medicine physician records with a practice address in Oklahoma. 79% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2016 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
46 family medicine physician records list a practice address in Ada
They are 46 of the 1,141 NPPES records with a practice address in Ada, and 2,303 family medicine physician records in Oklahoma.
All 2,303 in Oklahoma → Every provider in Ada → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nicholas Bentley, D.O.Ada, OK 748201932173671
- Joanne Chinnici, DOAda, OK 748201174500946
- Tina Cooper, MDAda, OK 748201902882749
- Mitchell Davis, MDAda, OK 748201346227113
- Curtis Harris, MDAda, OK 748201235116013
- H Howell, MDAda, OK 748201700864147
- Tammy Jarvis, D.O.Ada, OK 748201629074992
- John Krueger, M.D.Ada, OK 748201285600262
Common questions
What is Michael R. Mason, MD's NPI number?
Michael R. Mason, MD's National Provider Identifier (NPI) is 1821076126, issued on Jan 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael R. Mason, MD located?
The NPPES record lists a practice address at 1921 Stonecipher Boulevard, Ada, OK, 74820. Phone: (580) 421-6260. Providers update this record themselves, so call before visiting.
How can I verify Michael R. Mason, MD's license?
NPPES lists Oklahoma license number 15309, 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 R. Mason, MD prescribe under Medicare Part D?
In 2024, Michael R. Mason, MD had 10,214 Medicare Part D claims for 161 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Michael R. Mason, MD's MIPS final score?
The 2023 MIPS final score is 65.7 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.