Peter A. Castillo, MD, Inc.
NPI 1356766869 · Gynecology Physician · Los Gatos, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter A. Castillo, MD, Inc. is a Gynecology Physician organization in Los Gatos, CA (NPI 1356766869).
Provider details
- NPI number
- 1356766869
- Entity type
- Organization
- Primary specialty
- Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Peter Castillo, President(415) 764-4800
- License
- 109681 (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
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-02-20
- Last updated
- 2014-02-20
Frequently asked questions
- What is Peter A. Castillo, MD, Inc.'s NPI number?
- Peter A. Castillo, MD, Inc.'s National Provider Identifier (NPI) is 1356766869, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Peter A. Castillo, MD, Inc.?
- Peter A. Castillo, MD, Inc. is classified in the NPPES registry as Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter A. Castillo, MD, Inc. located?
- Peter A. Castillo, MD, Inc.'s practice location on file with NPPES is 16070 Matilija Dr, Los Gatos, CA 95030-3083.
- What is Peter A. Castillo, MD, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Peter A. Castillo, MD, Inc. is (415) 764-4800.
- Does Peter A. Castillo, MD, Inc. accept Medicare?
- Peter A. Castillo, MD, Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Peter A. Castillo, MD, Inc.?
- The authorized official listed on Peter A. Castillo, MD, Inc.'s NPPES record is Peter Castillo, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Peter A. Castillo, MD, Inc.'s NPI active?
- Yes — Peter A. Castillo, MD, Inc.'s NPI (1356766869) is active in the NPPES registry as of the last update on 2014-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.