IndividualActive
James Troll, M.D.
NPI 1578720223 · Family Medicine Physician · Vallejo, CA
James Troll, M.D. is a Family Medicine Physician provider in Vallejo, CA (NPI 1578720223).
Provider details
- NPI number
- 1578720223
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G51568 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
1310 Johnson Ln
Vallejo, CA 94592-1159
Phone: (707) 638-5292
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 1449
Guerneville, CA 95446-1449
Registry dates
- Enumerated
- 2008-05-20
- Last updated
- 2016-07-08
Frequently asked questions
- What is James Troll's NPI number?
- James Troll's National Provider Identifier (NPI) is 1578720223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Troll's specialty?
- James Troll is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Troll located?
- James Troll's practice location on file with NPPES is 1310 Johnson Ln, Vallejo, CA 94592-1159.
- What is James Troll's phone number?
- The practice phone number listed in the NPPES registry for James Troll is (707) 638-5292.
- Is James Troll's NPI active?
- Yes — James Troll's NPI (1578720223) is active in the NPPES registry as of the last update on 2016-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.