John Zarrella, DMD
NPI 1609926351 · General Practice Dentistry · Ashland, MA
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Zarrella, DMD is a General Practice Dentistry provider in Ashland, MA (NPI 1609926351).
Provider details
- NPI number
- 1609926351
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DMD
- Sex
- Male
- Sole proprietor
- No
- License
- 16914 (MA)
Specialties & taxonomies
Dental 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
- 2007-01-12
- Last updated
- 2011-06-29
Frequently asked questions
- What is John Zarrella's NPI number?
- John Zarrella's National Provider Identifier (NPI) is 1609926351, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Zarrella's specialty?
- John Zarrella is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is John Zarrella located?
- John Zarrella's practice location on file with NPPES is 171 Main Street, Ashland, MA 01721.
- What is John Zarrella's phone number?
- The practice phone number listed in the NPPES registry for John Zarrella is (508) 881-1280.
- Does John Zarrella accept Medicare?
- John Zarrella is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Zarrella's NPI active?
- Yes — John Zarrella's NPI (1609926351) is active in the NPPES registry as of the last update on 2011-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.