Eugene Zak, M.D.
NPI 1437145968 · Internal Medicine Physician · Fall River, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eugene Zak, M.D. is a Internal Medicine Physician provider in Fall River, MA (NPI 1437145968).
Provider details
- NPI number
- 1437145968
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 80765 (MA)
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
20 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
- 2005-09-20
- Last updated
- 2008-06-05
Frequently asked questions
- What is Eugene Zak's NPI number?
- Eugene Zak's National Provider Identifier (NPI) is 1437145968, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eugene Zak's specialty?
- Eugene Zak is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eugene Zak located?
- Eugene Zak's practice location on file with NPPES is 289 Pleasant St, Fall River, MA 02721-3005.
- What is Eugene Zak's phone number?
- The practice phone number listed in the NPPES registry for Eugene Zak is (508) 679-1906.
- Does Eugene Zak accept Medicare?
- Eugene Zak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eugene Zak's NPI active?
- Yes — Eugene Zak's NPI (1437145968) is active in the NPPES registry as of the last update on 2008-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.