Thomas Fashinell, MD
NPI 1609926419 · Internal Medicine Physician · Vacaville, CA
Thomas Fashinell, MD is a Internal Medicine Physician provider in Vacaville, CA (NPI 1609926419).
Provider details
- NPI number
- 1609926419
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G16623 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-12
- Last updated
- 2008-09-09
Frequently asked questions
- What is Thomas Fashinell's NPI number?
- Thomas Fashinell's National Provider Identifier (NPI) is 1609926419, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Fashinell's specialty?
- Thomas Fashinell is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Fashinell located?
- Thomas Fashinell's practice location on file with NPPES is 1 Quality Dr, Vacaville, CA 95688-9494.
- What is Thomas Fashinell's phone number?
- The practice phone number listed in the NPPES registry for Thomas Fashinell is (707) 453-5000.
- Is Thomas Fashinell's NPI active?
- Yes — Thomas Fashinell's NPI (1609926419) is active in the NPPES registry as of the last update on 2008-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.