What is Donald Williams's NPI number?

Donald Williams's National Provider Identifier (NPI) is 1588680599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Donald Williams's specialty?

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

Where is Donald Williams located?

Donald Williams's practice location on file with NPPES is 1097 E Main St, Grass Valley, CA 95945-5718.

What is Donald Williams's phone number?

The practice phone number listed in the NPPES registry for Donald Williams is (530) 271-5921.

Is Donald Williams's NPI active?

Yes — Donald Williams's NPI (1588680599) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Donald Williams, DC

NPI 1588680599 · Chiropractor · Grass Valley, CA

Donald Williams, DC is a Chiropractor provider in Grass Valley, CA (NPI 1588680599).

Provider details

NPI number: 1588680599
Entity type: Individual
Primary specialty: ChiropractorChiropractic Providers
Credential: DC
Sex: Male
Sole proprietor: Yes
License: 15655 (CA)

Specialties & taxonomies

ChiropractorPrimary111N00000XLicense 15655 (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
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

1097 E Main St

Grass Valley, CA 95945-5718

Phone: (530) 271-5921

Fax: (530) 271-5926

Street-level locationGet directions

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Mailing address