OrganizationActive
John W Zamarra MD Inc
NPI 1154501898 · Cardiovascular Disease Physician · Fullerton, CA
Provider details
- NPI number
- 1154501898
- Entity type
- Organization
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Zamarra, President(714) 871-5200
- License
- G37204 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(88/100 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
1001 E Chapman Ave
Fullerton, CA 92831-3811
Phone: (714) 871-5200
Fax: (714) 871-2877
Street-level locationGet directions
Mailing address
1001 E Chapman Ave
Fullerton, CA 92831-3811
Registry dates
- Enumerated
- 2007-11-09
- Last updated
- 2008-03-31
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.