What is Cassandra Williamson's NPI number?

Cassandra Williamson's National Provider Identifier (NPI) is 1376236067, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Cassandra Williamson's specialty?

Cassandra Williamson is listed in the NPPES registry with a primary specialty of Dental Hygienist (Dental Providers).

Where is Cassandra Williamson located?

Cassandra Williamson's practice location on file with NPPES is 1311 Fernwood Dr, San Luis Obispo, CA 93401-5910.

What is Cassandra Williamson's phone number?

The practice phone number listed in the NPPES registry for Cassandra Williamson is (909) 693-0621.

Is Cassandra Williamson's NPI active?

Yes — Cassandra Williamson's NPI (1376236067) is active in the NPPES registry as of the last update on 2023-09-11.

IndividualActive

Cassandra Williamson, RDHAP

NPI 1376236067 · Dental Hygienist · San Luis Obispo, CA

Cassandra Williamson, RDHAP is a Dental Hygienist provider in San Luis Obispo, CA (NPI 1376236067).

Provider details

NPI number: 1376236067
Entity type: Individual
Primary specialty: Dental HygienistDental Providers
Credential: RDHAP
Sex: Female
Sole proprietor: Yes
License: HAP989 (CA)

Specialties & taxonomies

Dental HygienistPrimary124Q00000XLicense HAP989 (CA)
Dental Providers

Profile Score

Established profile(58/100 index)

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

Registry tenure38% of score
3 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

1311 Fernwood Dr

San Luis Obispo, CA 93401-5910

Phone: (909) 693-0621

Street-level locationGet directions

More CA providers

Mailing address