Stephanie Sakuma, MD, MBA, MS
NPI 1659993434 · Family Medicine Physician · Redwood City, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Sakuma, MD, MBA, MS is a Family Medicine Physician provider in Redwood City, CA (NPI 1659993434).
Provider details
- NPI number
- 1659993434
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MBA, MS
- Sex
- Female
- Sole proprietor
- No
- License
- A182996 (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
6 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 19 | 19 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 19 | 19 |
| Doxycycline Monohydrate | 16 | 15 |
| Cefadroxil | 15 | 15 |
| Ibuprofen | 14 | 14 |
| Losartan Potassium | 14 | — |
| Fluticasone Propionate | 13 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-05-14
- Last updated
- 2023-07-27
- Certified
- 2023-07-27
Frequently asked questions
- What is Stephanie Sakuma's NPI number?
- Stephanie Sakuma's National Provider Identifier (NPI) is 1659993434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Sakuma's specialty?
- Stephanie Sakuma is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephanie Sakuma located?
- Stephanie Sakuma's practice location on file with NPPES is 1190 Veterans Blvd, Redwood City, CA 94063-2037.
- What is Stephanie Sakuma's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Sakuma is (650) 299-2234.
- Does Stephanie Sakuma accept Medicare?
- Stephanie Sakuma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Sakuma's NPI active?
- Yes — Stephanie Sakuma's NPI (1659993434) is active in the NPPES registry as of the last update on 2023-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.