Gerardo Zambrano, MD
NPI 1730349457 · Psychiatry Physician · Menlo Park, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerardo Zambrano, MD is a Psychiatry Physician provider in Menlo Park, CA (NPI 1730349457).
Provider details
- NPI number
- 1730349457
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A109402 (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
18 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 · 26 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Risperidone | 99 |
| Benztropine Mesylate | 71 |
| Clonazepam | 63 |
| Haloperidol | 61 |
| Lorazepam | 50 |
| Olanzapinebrand: Olanzapine Odt | 48 |
| Trazodone Hcl | 45 |
| Lamotrigine | 42 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 37 |
| Ziprasidone Hcl | 36 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-16
- Last updated
- 2014-07-22
Frequently asked questions
- What is Gerardo Zambrano's NPI number?
- Gerardo Zambrano's National Provider Identifier (NPI) is 1730349457, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerardo Zambrano's specialty?
- Gerardo Zambrano is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Gerardo Zambrano located?
- Gerardo Zambrano's practice location on file with NPPES is 795 Willow Rd, Menlo Park, CA 94025-2539.
- What is Gerardo Zambrano's phone number?
- The practice phone number listed in the NPPES registry for Gerardo Zambrano is (650) 493-5000.
- Does Gerardo Zambrano accept Medicare?
- Gerardo Zambrano is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerardo Zambrano's NPI active?
- Yes — Gerardo Zambrano's NPI (1730349457) is active in the NPPES registry as of the last update on 2014-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.