Northern California Medical Assoc Inc
NPI 1821077231 · Internal Medicine Physician · Santa Rosa, CA
Northern California Medical Assoc Inc is a Internal Medicine Physician organization in Santa Rosa, CA (NPI 1821077231).
Provider details
- NPI number
- 1821077231
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Ruth Skidmore, Chief Executive Officer(707) 573-6925
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-01-13
- Last updated
- 2012-02-09
Frequently asked questions
- What is Northern California Medical Assoc Inc's NPI number?
- Northern California Medical Assoc Inc's National Provider Identifier (NPI) is 1821077231, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Northern California Medical Assoc Inc?
- Northern California Medical Assoc Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Northern California Medical Assoc Inc located?
- Northern California Medical Assoc Inc's practice location on file with NPPES is 5555 Montgomery Dr, Santa Rosa, CA 95409-8846.
- What is Northern California Medical Assoc Inc's phone number?
- The practice phone number listed in the NPPES registry for Northern California Medical Assoc Inc is (707) 546-2180.
- Who is the authorized official for Northern California Medical Assoc Inc?
- The authorized official listed on Northern California Medical Assoc Inc's NPPES record is Ruth Skidmore, Chief Executive Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Northern California Medical Assoc Inc's NPI active?
- Yes — Northern California Medical Assoc Inc's NPI (1821077231) is active in the NPPES registry as of the last update on 2012-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.