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Family Practice

Mary Masterman, MD

Works at hospitals in Oklahoma City, OK · Oklahoma

Summary

Mary Masterman, MD (Family Practice) is listed by Medicare at 1 hospital in Oklahoma City, OK. NPI 1225487655. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mary Masterman, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
10Years since medical school (graduated 2016)
Vanderbilt University School Of MedicineMedical school
FemaleGender (as listed)
Saints Medical Group, LLCGroup practice

Quick answers

Which hospitals does Mary Masterman work at?
Medicare's official clinician data lists Mary Masterman at 1 hospital: SSM Health St Anthony Hospital - Oklahoma City. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mary Masterman see patients?
Medicare's clinician data lists 1 practice location in Oklahoma City, OK. Call before your visit to confirm the address.
What is Mary Masterman's specialty?
Medicare lists Family Practice as the primary specialty.
Does Mary Masterman accept Medicare assignment?
Yes. Medicare's clinician data says Mary Masterman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Mary Masterman offer telehealth?
Medicare's clinician data says Mary Masterman offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Mary Masterman?
(405) 231-3000, as listed in official Medicare / NPI Registry data.
What is Mary Masterman's NPI number?
1225487655. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mary Masterman works

Medicare's Facility Affiliation Data lists Mary Masterman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Mary Masterman is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mary Masterman as a member of this group (CMS data updated 2026-10-02).

  • Saints Medical Group, LLC435 clinicians in the group

Specialties

Find other Family Practice doctors in Oklahoma →

Other family doctors in Oklahoma City

Clinicians with the same Medicare primary specialty in Oklahoma City, OK — not a recommendation.

All family doctors in Oklahoma City →

Clinician information

CredentialMD
Medical schoolVanderbilt University School Of Medicine
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1225487655
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians