Mary Baker, MD
NPI 1942278163 · Endocrinology, Diabetes & Metabolism Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Baker, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Oklahoma City, OK (NPI 1942278163).
Provider details
- NPI number
- 1942278163
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 14466 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,290 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 631 | $34 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 161 | $117 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 142 | $80 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 112 | $73 |
| Hemoglobin A1c Level83036 | 78 | $9 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 53 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 210 | 29 |
| Levothyroxine Sodium | 184 | 51 |
| Metformin Hcl | 76 | 25 |
| Empagliflozinbrand: Jardiance | 74 | 19 |
| Tirzepatidebrand: Mounjaro | 66 | — |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 53 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$73 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-14
- Last updated
- 2011-03-15
Frequently asked questions
- What is Mary Baker's NPI number?
- Mary Baker's National Provider Identifier (NPI) is 1942278163, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Baker's specialty?
- Mary Baker is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Baker located?
- Mary Baker's practice location on file with NPPES is 1000 N Lincoln Blvd, Oklahoma City, OK 73104-3252.
- What is Mary Baker's phone number?
- The practice phone number listed in the NPPES registry for Mary Baker is (405) 271-1000.
- Does Mary Baker accept Medicare?
- Mary Baker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Baker's NPI active?
- Yes — Mary Baker's NPI (1942278163) is active in the NPPES registry as of the last update on 2011-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.