James Sargent, MD
NPI 1972858678 · Maternal & Fetal Medicine Physician · Vallejo, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Sargent, MD is a Maternal & Fetal Medicine Physician provider in Vallejo, CA (NPI 1972858678).
Provider details
- NPI number
- 1972858678
- Entity type
- Individual
- Primary specialty
- Maternal & Fetal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A127617 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 3181 Sw Sam Jackson Park RdPortland, OR 97239-3011Phone: (503) 418-4500Fax: (503) 494-4473
Registry dates
- Enumerated
- 2012-07-18
- Last updated
- 2022-07-21
- Certified
- 2021-03-10
Frequently asked questions
- What is James Sargent's NPI number?
- James Sargent's National Provider Identifier (NPI) is 1972858678, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Sargent's specialty?
- James Sargent is listed in the NPPES registry with a primary specialty of Maternal & Fetal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Sargent located?
- James Sargent's practice location on file with NPPES is 975 Sereno Dr, Vallejo, CA 94589-2441.
- What is James Sargent's phone number?
- The practice phone number listed in the NPPES registry for James Sargent is (707) 651-1000.
- Does James Sargent accept Medicare?
- James Sargent is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Sargent's NPI active?
- Yes — James Sargent's NPI (1972858678) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.