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Sandra Willis, MD
NPI 1225062847 · Internal Medicine Physician · Sacramento, CA
Sandra Willis, MD is a Internal Medicine Physician provider in Sacramento, CA (NPI 1225062847).
Provider details
- NPI number
- 1225062847
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G51347 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
4629 Whitney Ave
Ste 2
Sacramento, CA 95821
Phone: (916) 482-9800
Fax: (916) 482-0537
Street-level locationGet directions
Mailing address
4629 Whitney Ave
Sacramento, CA 95821
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2011-10-13
Frequently asked questions
- What is Sandra Willis's NPI number?
- Sandra Willis's National Provider Identifier (NPI) is 1225062847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Willis's specialty?
- Sandra Willis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sandra Willis located?
- Sandra Willis's practice location on file with NPPES is 4629 Whitney Ave, Sacramento, CA 95821.
- What is Sandra Willis's phone number?
- The practice phone number listed in the NPPES registry for Sandra Willis is (916) 482-9800.
- Is Sandra Willis's NPI active?
- Yes — Sandra Willis's NPI (1225062847) is active in the NPPES registry as of the last update on 2011-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.