IndividualActive
Thomas Gross, M.D.
NPI 1174745525 · Emergency Medicine Physician · Vallejo, CA
Thomas Gross, M.D. is a Emergency Medicine Physician provider in Vallejo, CA (NPI 1174745525).
Provider details
- NPI number
- 1174745525
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G65532 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
Emergency Dept., Kaiser Permanente Medical Center
675 Sereno Dr
Vallejo, CA 94589
Phone: (707) 651-4910
Approximate (ZIP-level) locationGet directions
Mailing address
9636 Cherry Ridge Rd
Sebastopol, CA 95472
Registry dates
- Enumerated
- 2007-05-03
- Last updated
- 2026-05-31
Frequently asked questions
- What is Thomas Gross's NPI number?
- Thomas Gross's National Provider Identifier (NPI) is 1174745525, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Gross's specialty?
- Thomas Gross is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Gross located?
- Thomas Gross's practice location on file with NPPES is Emergency Dept., Kaiser Permanente Medical Center, Vallejo, CA 94589.
- What is Thomas Gross's phone number?
- The practice phone number listed in the NPPES registry for Thomas Gross is (707) 651-4910.
- Is Thomas Gross's NPI active?
- Yes — Thomas Gross's NPI (1174745525) is active in the NPPES registry as of the last update on 2026-05-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.