Mary Masterman, M.D.
NPI 1225487655 · Family Medicine Physician · Chickasha, OK
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Masterman, M.D. is a Family Medicine Physician provider in Chickasha, OK (NPI 1225487655).
Provider details
- NPI number
- 1225487655
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 34682 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
115 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 47 | $73 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 46 | $74 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 22 | $104 |
Typical Medicare-allowed amounts for these services range $73–$104 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 95 | 36 |
| Metformin Hcl | 47 | 17 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 41 | — |
| Losartan Potassium | 38 | 14 |
| Gabapentin | 35 | 12 |
| Amlodipine Besylate | 34 | 15 |
Practice location
Mailing address
Additional practice locations (2)
- 1010 N Kansas StWichita, KS 67214-3124Phone: (316) 858-3460
- 2100 W Iowa Ave Ste aChickasha, OK 73018Phone: (405) 224-2100Fax: (405) 779-2310
Registry dates
- Enumerated
- 2016-06-07
- Last updated
- 2019-08-06
Frequently asked questions
- What is Mary Masterman's NPI number?
- Mary Masterman's National Provider Identifier (NPI) is 1225487655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Masterman's specialty?
- Mary Masterman is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Masterman located?
- Mary Masterman's practice location on file with NPPES is 2100 W Iowa Ave Ste a, Chickasha, OK 73018.
- What is Mary Masterman's phone number?
- The practice phone number listed in the NPPES registry for Mary Masterman is (405) 224-2100.
- Does Mary Masterman accept Medicare?
- Mary Masterman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Masterman's NPI active?
- Yes — Mary Masterman's NPI (1225487655) is active in the NPPES registry as of the last update on 2019-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.