Roberto Diaz, M.D.
NPI 1669453775 · Obstetrics & Gynecology Physician · Burlingame, CA
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roberto Diaz, M.D. is a Obstetrics & Gynecology Physician provider in Burlingame, CA (NPI 1669453775).
Provider details
- NPI number
- 1669453775
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A53002 (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
20 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
- 2005-11-07
- Last updated
- 2007-11-14
Frequently asked questions
- What is Roberto Diaz's NPI number?
- Roberto Diaz's National Provider Identifier (NPI) is 1669453775, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roberto Diaz's specialty?
- Roberto Diaz is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Roberto Diaz located?
- Roberto Diaz's practice location on file with NPPES is 1828 El Camino Real, Burlingame, CA 94010-3103.
- What is Roberto Diaz's phone number?
- The practice phone number listed in the NPPES registry for Roberto Diaz is (650) 692-9111.
- Does Roberto Diaz accept Medicare?
- Roberto Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roberto Diaz's NPI active?
- Yes — Roberto Diaz's NPI (1669453775) is active in the NPPES registry as of the last update on 2007-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.