Jeffrey Zack, M.D.
NPI 1578584314 · Emergency Medicine Physician · Oak Bluffs, MA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Zack, M.D. is a Emergency Medicine Physician provider in Oak Bluffs, MA (NPI 1578584314).
Provider details
- NPI number
- 1578584314
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD10339 (RI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rsvpref3 Antigen/As01e/Pfbrand: Arexvy | 221 | 218 |
| Varicella-Zoster Ge/As01b/Pfbrand: Shingrix | 108 | 88 |
| Diph,pertuss(acell),tet Vac/Pfbrand: Adacel Tdap | 84 | 84 |
| Rosuvastatin Calcium | 28 | — |
| Famotidine | 25 | — |
| Levothyroxine Sodium | 21 | — |
| Apixaban |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-21
- Last updated
- 2014-11-25
Frequently asked questions
- What is Jeffrey Zack's NPI number?
- Jeffrey Zack's National Provider Identifier (NPI) is 1578584314, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Zack's specialty?
- Jeffrey Zack is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Zack located?
- Jeffrey Zack's practice location on file with NPPES is 1 Hospital Rd., Oak Bluffs, MA 02557.
- What is Jeffrey Zack's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Zack is (508) 693-0410.
- Does Jeffrey Zack accept Medicare?
- Jeffrey Zack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Zack's NPI active?
- Yes — Jeffrey Zack's NPI (1578584314) is active in the NPPES registry as of the last update on 2014-11-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.