James Zager, M.D.
NPI 1881847853 · Cardiovascular Disease Physician · Corona Del Mar, CA
James Zager, M.D. is a Cardiovascular Disease Physician provider in Corona Del Mar, CA (NPI 1881847853).
Provider details
- NPI number
- 1881847853
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G12650 (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
17 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
- 2008-11-04
- Last updated
- 2008-12-01
Frequently asked questions
- What is James Zager's NPI number?
- James Zager's National Provider Identifier (NPI) is 1881847853, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Zager's specialty?
- James Zager is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is James Zager located?
- James Zager's practice location on file with NPPES is 3334 E Coast Hwy, Corona Del Mar, CA 92625-2328.
- What is James Zager's phone number?
- The practice phone number listed in the NPPES registry for James Zager is (949) 400-6034.
- Is James Zager's NPI active?
- Yes — James Zager's NPI (1881847853) is active in the NPPES registry as of the last update on 2008-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.