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Cheryl Williamson
NPI 1396928370 · Case Management Agency · Santa Monica, CA
Cheryl Williamson is a Case Management Agency provider in Santa Monica, CA (NPI 1396928370).
Provider details
- NPI number
- 1396928370
- Entity type
- Individual
- Primary specialty
- Case Management AgencyAgencies
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Agencies
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
83% 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
1725 Main St
Santa Monica, CA 90401
Phone: (310) 260-3546
Fax: (310) 395-7971
Street-level locationGet directions
Mailing address
9150 E Imperial Hwy
Downey, CA 90242
Registry dates
- Enumerated
- 2007-12-12
- Last updated
- 2007-12-12
Frequently asked questions
- What is Cheryl Williamson's NPI number?
- Cheryl Williamson's National Provider Identifier (NPI) is 1396928370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cheryl Williamson's specialty?
- Cheryl Williamson is listed in the NPPES registry with a primary specialty of Case Management Agency (Agencies).
- Where is Cheryl Williamson located?
- Cheryl Williamson's practice location on file with NPPES is 1725 Main St, Santa Monica, CA 90401.
- What is Cheryl Williamson's phone number?
- The practice phone number listed in the NPPES registry for Cheryl Williamson is (310) 260-3546.
- Is Cheryl Williamson's NPI active?
- Yes — Cheryl Williamson's NPI (1396928370) is active in the NPPES registry as of the last update on 2007-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.