Ernest Kotlier, M.D.
NPI 1811269566 · Family Medicine Physician · Berkeley, CA
Enrolled with Medicare as Order and Referring Only - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ernest Kotlier, M.D. is a Family Medicine Physician provider in Berkeley, CA (NPI 1811269566).
Provider details
- NPI number
- 1811269566
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- CFE28391 (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
- 2012-01-27
- Last updated
- 2012-01-27
Frequently asked questions
- What is Ernest Kotlier's NPI number?
- Ernest Kotlier's National Provider Identifier (NPI) is 1811269566, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ernest Kotlier's specialty?
- Ernest Kotlier is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ernest Kotlier located?
- Ernest Kotlier's practice location on file with NPPES is 1555 Scenic Ave, Berkeley, CA 94708-1813.
- What is Ernest Kotlier's phone number?
- The practice phone number listed in the NPPES registry for Ernest Kotlier is (510) 368-1221.
- Does Ernest Kotlier accept Medicare?
- Ernest Kotlier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ernest Kotlier's NPI active?
- Yes — Ernest Kotlier's NPI (1811269566) is active in the NPPES registry as of the last update on 2012-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.