Jeffrey Willis, M.D., PHD
NPI 1023301330 · Student in an Organized Health Care Education/Training Program · Sacramento, CA
Jeffrey Willis, M.D., PHD is a Student in an Organized Health Care Education/Training Program provider in Sacramento, CA (NPI 1023301330).
Provider details
- NPI number
- 1023301330
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- M.D., PHD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
Mailing address
Registry dates
- Enumerated
- 2011-05-18
- Last updated
- 2015-03-31
Frequently asked questions
- What is Jeffrey Willis's NPI number?
- Jeffrey Willis's National Provider Identifier (NPI) is 1023301330, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Willis's specialty?
- Jeffrey Willis is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Jeffrey Willis located?
- Jeffrey Willis's practice location on file with NPPES is 4860 Y St Ste 2400, Sacramento, CA 95817-2307.
- What is Jeffrey Willis's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Willis is (916) 734-6602.
- Is Jeffrey Willis's NPI active?
- Yes — Jeffrey Willis's NPI (1023301330) is active in the NPPES registry as of the last update on 2015-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.