What is Ernest Fessler's NPI number?

Ernest Fessler's National Provider Identifier (NPI) is 1891852281, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ernest Fessler's specialty?

Ernest Fessler is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).

Where is Ernest Fessler located?

Ernest Fessler's practice location on file with NPPES is 191 Dayton Ct, San Ramon, CA 94583-3412.

What is Ernest Fessler's phone number?

The practice phone number listed in the NPPES registry for Ernest Fessler is (925) 828-2191.

Is Ernest Fessler's NPI active?

Yes — Ernest Fessler's NPI (1891852281) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Ernest Fessler, D.D.S.

NPI 1891852281 · General Practice Dentistry · San Ramon, CA

Ernest Fessler, D.D.S. is a General Practice Dentistry provider in San Ramon, CA (NPI 1891852281).

Provider details

NPI number: 1891852281
Entity type: Individual
Primary specialty: General Practice DentistryDental Providers
Credential: D.D.S.
Sex: Male
Sole proprietor: Yes
License: 20101 (CA)

Specialties & taxonomies

General Practice DentistryPrimary1223G0001XLicense 20101 (CA)
Dental Providers

Profile Score

Detailed profile(90/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 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

191 Dayton Ct

San Ramon, CA 94583-3412

Phone: (925) 828-2191

Fax: (925) 828-0196

Street-level locationGet directions

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Mailing address