Stephanie Santos, MD
NPI 1225169246 · Gastroenterology Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Santos, MD is a Gastroenterology Physician provider in Oakland, CA (NPI 1225169246).
Provider details
- NPI number
- 1225169246
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A104367 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 62 | 28 |
| Mesalamine | 46 | 15 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 41 | 39 |
| Carvedilol | 39 | 16 |
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine | 27 | — |
| Balsalazide Disodium | 26 | — |
| Famotidine | 26 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-08
- Last updated
- 2021-12-14
Frequently asked questions
- What is Stephanie Santos's NPI number?
- Stephanie Santos's National Provider Identifier (NPI) is 1225169246, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Santos's specialty?
- Stephanie Santos is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephanie Santos located?
- Stephanie Santos's practice location on file with NPPES is 275 W Macarthur Blvd, Oakland, CA 94611-5641.
- What is Stephanie Santos's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Santos is (510) 752-1000.
- Does Stephanie Santos accept Medicare?
- Stephanie Santos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Santos's NPI active?
- Yes — Stephanie Santos's NPI (1225169246) is active in the NPPES registry as of the last update on 2021-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.