Harvey Zarren, M.D.
NPI 1730303298 · Cardiovascular Disease Physician · Swampscott, MA
Harvey Zarren, M.D. is a Cardiovascular Disease Physician provider in Swampscott, MA (NPI 1730303298).
Provider details
- NPI number
- 1730303298
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 56707 (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
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
- 2007-04-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Harvey Zarren's NPI number?
- Harvey Zarren's National Provider Identifier (NPI) is 1730303298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harvey Zarren's specialty?
- Harvey Zarren is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Harvey Zarren located?
- Harvey Zarren's practice location on file with NPPES is 33 Hawthorne Rd, Swampscott, MA 01907-1511.
- What is Harvey Zarren's phone number?
- The practice phone number listed in the NPPES registry for Harvey Zarren is (781) 599-4718.
- Is Harvey Zarren's NPI active?
- Yes — Harvey Zarren's NPI (1730303298) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.