What is William Epstein's NPI number?

William Epstein's National Provider Identifier (NPI) is 1164511390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Epstein's specialty?

William Epstein is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).

Where is William Epstein located?

William Epstein's practice location on file with NPPES is 7773 University Ave, La Mesa, CA 91941-4950.

What is William Epstein's phone number?

The practice phone number listed in the NPPES registry for William Epstein is (619) 465-3000.

Is William Epstein's NPI active?

Yes — William Epstein's NPI (1164511390) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

William Epstein, D.C.

NPI 1164511390 · Chiropractor · La Mesa, CA

William Epstein, D.C. is a Chiropractor provider in La Mesa, CA (NPI 1164511390).

Provider details

NPI number: 1164511390
Entity type: Individual
Primary specialty: ChiropractorChiropractic Providers
Credential: D.C.
Sex: Male
Sole proprietor: Yes
License: DC22658 (CA)

Practice location

7773 University Ave

La Mesa, CA 91941-4950

Phone: (619) 465-3000

Fax: (619) 465-3003

Street-level locationGet directions

More CA providers

Mailing address

7773 University Ave

La Mesa, CA 91941-4950

Specialties & taxonomies

ChiropractorPrimary111N00000XLicense DC22658 (CA)
Chiropractic Providers

Profile Score

Detailed profile(91/100 index)

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.

Enumerated: 2006-10-12
Last updated: 2007-07-08

Frequently asked questions

What is William Epstein's NPI number?: William Epstein's National Provider Identifier (NPI) is 1164511390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is William Epstein's specialty?: William Epstein is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
Where is William Epstein located?: William Epstein's practice location on file with NPPES is 7773 University Ave, La Mesa, CA 91941-4950.
What is William Epstein's phone number?: The practice phone number listed in the NPPES registry for William Epstein is (619) 465-3000.
Is William Epstein's NPI active?: Yes — William Epstein's NPI (1164511390) is active in the NPPES registry as of the last update on 2007-07-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions