Ralph T. Mitarai, M.D., Professional Corporation
NPI 1871587469 · Anatomic Pathology & Clinical Pathology Physician · Sonoma, CA
Ralph T. Mitarai, M.D., Professional Corporation is a Anatomic Pathology & Clinical Pathology Physician organization in Sonoma, CA (NPI 1871587469).
Provider details
- NPI number
- 1871587469
- Entity type
- Organization
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Ralph Mitarai, President(707) 938-1480
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
- 2005-09-09
- Last updated
- 2009-01-12
Frequently asked questions
- What is Ralph T. Mitarai, M.D., Professional Corporation's NPI number?
- Ralph T. Mitarai, M.D., Professional Corporation's National Provider Identifier (NPI) is 1871587469, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ralph T. Mitarai, M.D., Professional Corporation?
- Ralph T. Mitarai, M.D., Professional Corporation is classified in the NPPES registry as Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Ralph T. Mitarai, M.D., Professional Corporation located?
- Ralph T. Mitarai, M.D., Professional Corporation's practice location on file with NPPES is 347 Andrieux St, Sonoma, CA 95476-6811.
- What is Ralph T. Mitarai, M.D., Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Ralph T. Mitarai, M.D., Professional Corporation is (707) 938-1480.
- Who is the authorized official for Ralph T. Mitarai, M.D., Professional Corporation?
- The authorized official listed on Ralph T. Mitarai, M.D., Professional Corporation's NPPES record is Ralph Mitarai, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ralph T. Mitarai, M.D., Professional Corporation's NPI active?
- Yes — Ralph T. Mitarai, M.D., Professional Corporation's NPI (1871587469) is active in the NPPES registry as of the last update on 2009-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.