Hiroya Nambu, MD
NPI 1801214275 · Emergency Medicine Physician · Redwood City, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hiroya Nambu, MD is a Emergency Medicine Physician provider in Redwood City, CA (NPI 1801214275).
Provider details
- NPI number
- 1801214275
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 269282 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 23 | 23 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 22 | 22 |
| Doxycycline Monohydrate | 17 | 17 |
| Cefpodoxime Proxetil | 11 | 11 |
| Cyclobenzaprine Hcl | 11 | 11 |
| Oxycodone Hcl | 11 | 11 |
| Prednisone | 11 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-02
- Last updated
- 2022-04-14
- Certified
- 2022-04-14
Frequently asked questions
- What is Hiroya Nambu's NPI number?
- Hiroya Nambu's National Provider Identifier (NPI) is 1801214275, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hiroya Nambu's specialty?
- Hiroya Nambu is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hiroya Nambu located?
- Hiroya Nambu's practice location on file with NPPES is 1100 Veterans Blvd, Redwood City, CA 94063-2037.
- What is Hiroya Nambu's phone number?
- The practice phone number listed in the NPPES registry for Hiroya Nambu is (650) 299-2200.
- Does Hiroya Nambu accept Medicare?
- Hiroya Nambu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hiroya Nambu's NPI active?
- Yes — Hiroya Nambu's NPI (1801214275) is active in the NPPES registry as of the last update on 2022-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.