Rosemary Mattaino, DO
NPI 1184251886 · Anatomic Pathology & Clinical Pathology Physician · Palo Alto, CA
Enrolled with Medicare as Order and Referring Only - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rosemary Mattaino, DO is a Anatomic Pathology & Clinical Pathology Physician provider in Palo Alto, CA (NPI 1184251886).
Provider details
- NPI number
- 1184251886
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 20A22551 (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
6 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
- 2020-03-24
- Last updated
- 2025-06-12
- Certified
- 2025-06-12
Frequently asked questions
- What is Rosemary Mattaino's NPI number?
- Rosemary Mattaino's National Provider Identifier (NPI) is 1184251886, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rosemary Mattaino's specialty?
- Rosemary Mattaino is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Rosemary Mattaino located?
- Rosemary Mattaino's practice location on file with NPPES is 300 Pasteur Dr, Palo Alto, CA 94304-2203.
- What is Rosemary Mattaino's phone number?
- The practice phone number listed in the NPPES registry for Rosemary Mattaino is (650) 723-4000.
- Does Rosemary Mattaino accept Medicare?
- Rosemary Mattaino is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rosemary Mattaino's NPI active?
- Yes — Rosemary Mattaino's NPI (1184251886) is active in the NPPES registry as of the last update on 2025-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.