Jason Whitmore, MD
NPI 1881773653 · Internal Medicine Physician · Fairfield, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Whitmore, MD is a Internal Medicine Physician provider in Fairfield, CA (NPI 1881773653).
Provider details
- NPI number
- 1881773653
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A68539 (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 · 101 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 303 | 117 |
| Amlodipine Besylate | 233 | 91 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 190 | 46 |
| Hydrochlorothiazide | 187 | 70 |
| Ibuprofen | 186 | 67 |
| Levothyroxine Sodium | 180 | 54 |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-03
- Last updated
- 2021-12-06
Frequently asked questions
- What is Jason Whitmore's NPI number?
- Jason Whitmore's National Provider Identifier (NPI) is 1881773653, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Whitmore's specialty?
- Jason Whitmore is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jason Whitmore located?
- Jason Whitmore's practice location on file with NPPES is 1550 Gateway Blvd, Fairfield, CA 94533-6901.
- What is Jason Whitmore's phone number?
- The practice phone number listed in the NPPES registry for Jason Whitmore is (707) 427-4000.
- Does Jason Whitmore accept Medicare?
- Jason Whitmore is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Whitmore's NPI active?
- Yes — Jason Whitmore's NPI (1881773653) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.