Florence Irvine, M.D.
NPI 1679874861 · Psychiatry Physician · Upper Lake, CA
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Florence Irvine, M.D. is a Psychiatry Physician provider in Upper Lake, CA (NPI 1679874861).
Provider details
- NPI number
- 1679874861
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- G11335 (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
15 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
- 2010-11-04
- Last updated
- 2010-11-04
Frequently asked questions
- What is Florence Irvine's NPI number?
- Florence Irvine's National Provider Identifier (NPI) is 1679874861, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Florence Irvine's specialty?
- Florence Irvine is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Florence Irvine located?
- Florence Irvine's practice location on file with NPPES is 15525 Elk Mountain Road, Upper Lake, CA 95485.
- What is Florence Irvine's phone number?
- The practice phone number listed in the NPPES registry for Florence Irvine is (707) 275-0903.
- Does Florence Irvine accept Medicare?
- Florence Irvine is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Florence Irvine's NPI active?
- Yes — Florence Irvine's NPI (1679874861) is active in the NPPES registry as of the last update on 2010-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.