Jeffrey Davis, MD
NPI 1912055849 · Psychiatry Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Davis, MD is a Psychiatry Physician provider in Fontana, CA (NPI 1912055849).
Provider details
- NPI number
- 1912055849
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G73938 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Duloxetine Hcl | 65 | 25 |
| Sertraline Hcl | 65 | 23 |
| Buspirone Hcl | 64 | 19 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 60 | 17 |
| Quetiapine Fumarate | 39 | — |
| Bupropion Hclbrand: Bupropion Xl | 35 | 16 |
| Lamotrigine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 2021-11-22
Frequently asked questions
- What is Jeffrey Davis's NPI number?
- Jeffrey Davis's National Provider Identifier (NPI) is 1912055849, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Davis's specialty?
- Jeffrey Davis is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Davis located?
- Jeffrey Davis's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Jeffrey Davis's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Davis is (909) 427-3910.
- Does Jeffrey Davis accept Medicare?
- Jeffrey Davis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Davis's NPI active?
- Yes — Jeffrey Davis's NPI (1912055849) is active in the NPPES registry as of the last update on 2021-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.