John Engers, M.D.
NPI 1083641864 · Psychiatry Physician · Fremont, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Engers, M.D. is a Psychiatry Physician provider in Fremont, CA (NPI 1083641864).
Provider details
- NPI number
- 1083641864
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- C42499 (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
- 2006-06-27
- Last updated
- 2018-05-10
Frequently asked questions
- What is John Engers's NPI number?
- John Engers's National Provider Identifier (NPI) is 1083641864, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Engers's specialty?
- John Engers is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is John Engers located?
- John Engers's practice location on file with NPPES is 1860 Mowry Ave Ste 200, Fremont, CA 94538-1730.
- What is John Engers's phone number?
- The practice phone number listed in the NPPES registry for John Engers is (925) 837-0101.
- Does John Engers accept Medicare?
- John Engers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Engers's NPI active?
- Yes — John Engers's NPI (1083641864) is active in the NPPES registry as of the last update on 2018-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.