OrganizationActive
John W. Zarrella, D.M.D., LLC.
NPI 1083143697 · General Practice Dentistry · Ashland, MA
John W. Zarrella, D.M.D., LLC. is a General Practice Dentistry organization in Ashland, MA (NPI 1083143697).
Provider details
- NPI number
- 1083143697
- Entity type
- Organization
- Primary specialty
- General Practice DentistryDental Providers
- Organization subpart
- No
- Authorized official
- John Zarrella, Owner(508) 881-1280
- License
- D16914 (MA)
Specialties & taxonomies
Dental Providers
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
171 Main Street
100
Ashland, MA 01721
Phone: (508) 881-1280
Fax: (508) 881-3529
Street-level locationGet directions
Mailing address
171 Main Street
Ashland, MA 01721
Registry dates
- Enumerated
- 2017-06-07
- Last updated
- 2017-06-07
Frequently asked questions
- What is John W. Zarrella, D.M.D., LLC.'s NPI number?
- John W. Zarrella, D.M.D., LLC.'s National Provider Identifier (NPI) is 1083143697, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John W. Zarrella, D.M.D., LLC.?
- John W. Zarrella, D.M.D., LLC. is classified in the NPPES registry as General Practice Dentistry (Dental Providers).
- Where is John W. Zarrella, D.M.D., LLC. located?
- John W. Zarrella, D.M.D., LLC.'s practice location on file with NPPES is 171 Main Street, Ashland, MA 01721.
- What is John W. Zarrella, D.M.D., LLC.'s phone number?
- The practice phone number listed in the NPPES registry for John W. Zarrella, D.M.D., LLC. is (508) 881-1280.
- Who is the authorized official for John W. Zarrella, D.M.D., LLC.?
- The authorized official listed on John W. Zarrella, D.M.D., LLC.'s NPPES record is John Zarrella, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John W. Zarrella, D.M.D., LLC.'s NPI active?
- Yes — John W. Zarrella, D.M.D., LLC.'s NPI (1083143697) is active in the NPPES registry as of the last update on 2017-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.