Robert Atienza, MD
NPI 1609134725 · Anatomic Pathology & Clinical Pathology Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Atienza, MD is a Anatomic Pathology & Clinical Pathology Physician provider in San Jose, CA (NPI 1609134725).
Provider details
- NPI number
- 1609134725
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A137783 (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
14 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
- 2012-04-26
- Last updated
- 2024-10-29
- Certified
- 2024-10-29
Frequently asked questions
- What is Robert Atienza's NPI number?
- Robert Atienza's National Provider Identifier (NPI) is 1609134725, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Atienza's specialty?
- Robert Atienza is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Atienza located?
- Robert Atienza's practice location on file with NPPES is 250 Hospital Pkwy, San Jose, CA 95119-1103.
- What is Robert Atienza's phone number?
- The practice phone number listed in the NPPES registry for Robert Atienza is (408) 972-7454.
- Does Robert Atienza accept Medicare?
- Robert Atienza is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Atienza's NPI active?
- Yes — Robert Atienza's NPI (1609134725) is active in the NPPES registry as of the last update on 2024-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.