NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225487655
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
Record last updated
Aug 6, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(405) 779-2310
Medicaid ID
PENDING OK
Medicare enrollment
Enrolled (PECOS I20190827000818); accepts Medicare assignment
Medical or professional school
Vanderbilt University School Of Medicine, 2016
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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8 nearest family medicine physician records → All 2,303 in Oklahoma → Look up another NPI →

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.

  1. Maryalice Case, PMHNPPsychiatric/Mental Health Nurse Practitioner1982310611
  2. Katie Dudley, APRN, CNPFamily Medicine Physician1073163275
  3. Abby Housman, D.O.Family Medicine Physician1023336542
  4. Martina Miner, APRN, FNP-CFamily Nurse Practitioner1306312384
  5. Sibin Nair, MDFamily Medicine Physician1619439056
  6. Andrea Roberts, PAPhysician Assistant1144278573

Verify Mary Masterman 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 34682    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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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 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 28 claims were for opioids.

  1. Mary Masterman1,349
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium95 claims
  2. Metformin Hcl47 claims
  3. Albuterol Sulfate Hfa41 claims
  4. Losartan Potassium38 claims
  5. Gabapentin35 claims
  6. 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.

Bills Medicare through one group practice

  1. Saints Medical Group, LLCOklahoma City, OK

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

Mary Masterman among 2,303 family medicine physician records in Oklahoma

Mary Masterman, M.D. 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 2016, is newer than 75% of them.

  • NPI issued2016 · 75% of these records are older, 23% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2016 · median 2008 among the 1,407 with a school on file
  • Record last updated2019 · 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).

9 family medicine physician records list a practice address in Chickasha

They are 9 of the 354 NPPES records with a practice address in Chickasha, and 2,303 family medicine physician records in Oklahoma.

All 2,303 in Oklahoma → Every provider in Chickasha → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Kevin Anderson, D.O.Chickasha, OK 730181154655157
  2. Mitchell Coppedge, MDChickasha, OK 730181902887482
  3. Katie Dudley, APRN, CNPChickasha, OK 730181073163275
  4. Abby Housman, D.O.Chickasha, OK 730181023336542
  5. Sibin Nair, MDChickasha, OK 730181619439056
  6. John Schipul, MDChickasha, OK 730181790912707
  7. Jonathan Soekamto, DOChickasha, OK 730181811518806
  8. Kacey Wallace, DOChickasha, OK 730181306868534

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 3,544. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.