Mary Masterman, M.D.
Family Medicine Physician · Chickasha, OK
Mary Masterman, M.D. is a family medicine physician with a practice address in Chickasha, Oklahoma, and NPI 1225487655, issued on Jun 7, 2016. Check the license (Oklahoma 34682, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Mary Masterman
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 34682 OK
Self-reported in NPPES; status is on the state search - Practice location
- 2100 W Iowa Ave Ste A, Chickasha, OK 73018
- Phone
- (405) 224-2100
- Enumerated
- Jun 7, 2016
- Entity
- Type 1 · individual
Also registered at 2100 W Iowa Ave Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maryalice Case, PMHNPPsychiatric/Mental Health Nurse Practitioner1982310611
- Katie Dudley, APRN, CNPFamily Medicine Physician1073163275
- Abby Housman, D.O.Family Medicine Physician1023336542
- Martina Miner, APRN, FNP-CFamily Nurse Practitioner1306312384
- Sibin Nair, MDFamily Medicine Physician1619439056
- Andrea Roberts, PAPhysician Assistant1144278573
Verify Mary Masterman 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 34682Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
62% fewer Medicare Part D claims than the average family medicine physician in 2024
1,349 Medicare Part D claims for 159 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 28 claims were for opioids.
Most prescribed
- Atorvastatin Calcium95 claims
- Metformin Hcl47 claims
- Albuterol Sulfate Hfa41 claims
- Losartan Potassium38 claims
- Gabapentin35 claims
- Amlodipine Besylate34 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.
One hospital or facility affiliation
- Saints Medical Group, LLCOklahoma City, OK
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
9 family medicine physician records list a Chickasha practice address
They are 9 of the 354 NPPES records with a Chickasha practice address, and 2,217 family medicine physician records in Oklahoma.
All 9 in Chickasha → All 2,217 in Oklahoma → Every provider in Chickasha →
Other family medicine physician records in Oklahoma
- Michael Aaron, M.D.Weatherford, OK1700958659
- Nicole Abel, DOTulsa, OK1073142022
- Robert Abell, MDOklahoma City, OK1336179126
- Penny AberOklahoma City, OK1982530432
- Bob Abernathy, DOCordell, OK1114920071
- Rochelle Ablah, MDOklahoma City, OK1366656647
- Alireza Abolmaali Damghani, MDMidwest City, OK1427275775
- Akram Abraham, M.D.Hollis, OK1609857754
- John Abraham, MDTulsa, OK1962634535
- Rebecca Abraham, MDTulsa, OK1760610422
Common questions
What is Mary Masterman, M.D.'s NPI number?
Mary Masterman, M.D.'s National Provider Identifier (NPI) is 1225487655, issued on Jun 7, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mary Masterman, M.D. located?
The NPPES record lists a practice address at 2100 W Iowa Ave Ste A, Chickasha, OK, 73018. Phone: (405) 224-2100. Providers update this record themselves, so call before visiting.
How can I verify Mary Masterman, M.D.'s license?
NPPES lists Oklahoma license number 34682, 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 Mary Masterman, M.D. prescribe under Medicare Part D?
In 2024, Mary Masterman, M.D. had 1,349 Medicare Part D claims for 159 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.