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John Zappia, D.D.S.
NPI 1821010141 · General Practice Dentistry · Portland, ME
John Zappia, D.D.S. is a General Practice Dentistry provider in Portland, ME (NPI 1821010141).
Provider details
- NPI number
- 1821010141
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2357 (ME)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(91/100 index)
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
686 Brighton Ave
Portland, ME 04102-1012
Phone: (207) 772-8112
Fax: (207) 347-7255
Street-level locationGet directions
Mailing address
63 Schooner Ridge Rd
Cumberland Foreside, ME 04110-1125
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Zappia's NPI number?
- John Zappia's National Provider Identifier (NPI) is 1821010141, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Zappia's specialty?
- John Zappia is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is John Zappia located?
- John Zappia's practice location on file with NPPES is 686 Brighton Ave, Portland, ME 04102-1012.
- What is John Zappia's phone number?
- The practice phone number listed in the NPPES registry for John Zappia is (207) 772-8112.
- Is John Zappia's NPI active?
- Yes — John Zappia's NPI (1821010141) 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.