Stephanie Cordonnier, MD
NPI 1588230809 · Geriatric Medicine (Internal Medicine) Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Cordonnier, MD is a Geriatric Medicine (Internal Medicine) Physician provider in San Francisco, CA (NPI 1588230809).
Provider details
- NPI number
- 1588230809
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- LP05346 (RI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Amlodipine Besylate | 25 |
| Atorvastatin Calcium | 25 |
| Losartan Potassium | 19 |
| Gabapentin | 15 |
| Omeprazole | 12 |
| Furosemide | 11 |
| Metformin Hcl | 11 |
| Tamsulosin Hcl | 11 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means , never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Additional practice locations (1)
- 490 Illinois StSan Francisco, CA 94143-2510Phone: (415) 514-3577
Registry dates
- Enumerated
- 2021-05-27
- Last updated
- 2025-12-03
- Certified
- 2025-12-03
Frequently asked questions
- What is Stephanie Cordonnier's NPI number?
- Stephanie Cordonnier's National Provider Identifier (NPI) is 1588230809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Cordonnier's specialty?
- Stephanie Cordonnier is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Stephanie Cordonnier located?
- Stephanie Cordonnier's practice location on file with NPPES is 3575 Geary Blvd Fl 1, San Francisco, CA 94118-3212.
- What is Stephanie Cordonnier's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Cordonnier is (415) 353-4900.
- Does Stephanie Cordonnier accept Medicare?
- Stephanie Cordonnier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Cordonnier's NPI active?
- Yes — Stephanie Cordonnier's NPI (1588230809) is active in the NPPES registry as of the last update on 2025-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.