Catherine Baker, MD
NPI 1639795552 · Family Medicine Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Baker, MD is a Family Medicine Physician provider in Saint Louis, MO (NPI 1639795552).
Provider details
- NPI number
- 1639795552
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2020016915 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 87 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 205 | 80 |
| Levothyroxine Sodium | 179 | 51 |
| Losartan Potassium | 149 | 61 |
| Gabapentin | 141 | 37 |
| Amlodipine Besylate | 120 | 48 |
| Pantoprazole Sodium | 116 | 43 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$320 across 18 records (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
- 2020-06-17
- Last updated
- 2020-08-06
- Certified
- 2020-08-06
Frequently asked questions
- What is Catherine Baker's NPI number?
- Catherine Baker's National Provider Identifier (NPI) is 1639795552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Baker's specialty?
- Catherine Baker is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Baker located?
- Catherine Baker's practice location on file with NPPES is 12680 Olive Blvd Ste 300, Saint Louis, MO 63141-6322.
- What is Catherine Baker's phone number?
- The practice phone number listed in the NPPES registry for Catherine Baker is (314) 251-8888.
- Does Catherine Baker accept Medicare?
- Catherine Baker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Baker's NPI active?
- Yes — Catherine Baker's NPI (1639795552) is active in the NPPES registry as of the last update on 2020-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.