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Sierra Williams, B.A.
NPI 1649789330 · Specialist · Modesto, CA
Sierra Williams, B.A. is a Specialist provider in Modesto, CA (NPI 1649789330).
Provider details
- NPI number
- 1649789330
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- B.A.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(67/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
2825 W Rumble Rd
Modesto, CA 95350-0185
Phone: (209) 579-9444
Street-level locationGet directions
Mailing address
2630 W Rumble Rd
Modesto, CA 95350-0155
Additional practice locations (1)
- 2825 W Rumble Rd # QModesto, CA 95350-0185Phone: (209) 579-9444
Registry dates
- Enumerated
- 2017-09-25
- Last updated
- 2017-10-11
Frequently asked questions
- What is Sierra Williams's NPI number?
- Sierra Williams's National Provider Identifier (NPI) is 1649789330, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sierra Williams's specialty?
- Sierra Williams is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Sierra Williams located?
- Sierra Williams's practice location on file with NPPES is 2825 W Rumble Rd, Modesto, CA 95350-0185.
- What is Sierra Williams's phone number?
- The practice phone number listed in the NPPES registry for Sierra Williams is (209) 579-9444.
- Is Sierra Williams's NPI active?
- Yes — Sierra Williams's NPI (1649789330) is active in the NPPES registry as of the last update on 2017-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.