William Davis, M.D.
NPI 1124494646 · Psychiatry Physician · Vacaville, CA
William Davis, M.D. is a Psychiatry Physician provider in Vacaville, CA (NPI 1124494646).
Provider details
- NPI number
- 1124494646
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G13524 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% 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
Mailing address
Additional practice locations (1)
- 6700 Cottage Hill Rd Apt C1Mobile, AL 36695-3717Phone: (251) 635-1877Fax: (251) 635-1877
Registry dates
- Enumerated
- 2015-08-19
- Last updated
- 2020-02-24
- Certified
- 2020-02-24
Frequently asked questions
- What is William Davis's NPI number?
- William Davis's National Provider Identifier (NPI) is 1124494646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Davis's specialty?
- William Davis is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Davis located?
- William Davis's practice location on file with NPPES is 1119 E Monte Vista Ave, Vacaville, CA 95688-3009.
- What is William Davis's phone number?
- The practice phone number listed in the NPPES registry for William Davis is (707) 469-4610.
- Is William Davis's NPI active?
- Yes — William Davis's NPI (1124494646) is active in the NPPES registry as of the last update on 2020-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.