Barry Zamost, M.D.
NPI 1194731216 · Specialist · Long Beach, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barry Zamost, M.D. is a Specialist provider in Long Beach, CA (NPI 1194731216).
Provider details
- NPI number
- 1194731216
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G36393 (CA)
Specialties & taxonomies
Other Service Providers
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
- 2006-07-31
- Last updated
- 2015-08-25
Frequently asked questions
- What is Barry Zamost's NPI number?
- Barry Zamost's National Provider Identifier (NPI) is 1194731216, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barry Zamost's specialty?
- Barry Zamost is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Barry Zamost located?
- Barry Zamost's practice location on file with NPPES is 3833 Worsham Avenue, Long Beach, CA 90808-1766.
- What is Barry Zamost's phone number?
- The practice phone number listed in the NPPES registry for Barry Zamost is (562) 595-5421.
- Does Barry Zamost accept Medicare?
- Barry Zamost is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Barry Zamost's NPI active?
- Yes — Barry Zamost's NPI (1194731216) is active in the NPPES registry as of the last update on 2015-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.