OrganizationActive
John Spero D.M.D., LLC
NPI 1568793990 · General Practice Dentistry · York, ME
John Spero D.M.D., LLC is a General Practice Dentistry organization in York, ME (NPI 1568793990).
Provider details
- NPI number
- 1568793990
- Entity type
- Organization
- Primary specialty
- General Practice DentistryDental Providers
- Organization subpart
- No
- Authorized official
- John Spero, Owner(207) 363-2406
- License
- 3569 (ME)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
1060 US Route 1
York, ME 03909-5821
Phone: (207) 363-2406
Fax: (207) 363-6037
Street-level locationGet directions
Mailing address
Po Box 323
York, ME 03909-0323
Other names (DBA / former)
- Doing business as
- Atlantic Dental Associates
Registry dates
- Enumerated
- 2010-01-25
- Last updated
- 2010-01-25
Frequently asked questions
- What is John Spero D.M.D., LLC's NPI number?
- John Spero D.M.D., LLC's National Provider Identifier (NPI) is 1568793990, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John Spero D.M.D., LLC?
- John Spero D.M.D., LLC is classified in the NPPES registry as General Practice Dentistry (Dental Providers).
- Where is John Spero D.M.D., LLC located?
- John Spero D.M.D., LLC's practice location on file with NPPES is 1060 US Route 1, York, ME 03909-5821.
- What is John Spero D.M.D., LLC's phone number?
- The practice phone number listed in the NPPES registry for John Spero D.M.D., LLC is (207) 363-2406.
- Who is the authorized official for John Spero D.M.D., LLC?
- The authorized official listed on John Spero D.M.D., LLC's NPPES record is John Spero, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John Spero D.M.D., LLC's NPI active?
- Yes — John Spero D.M.D., LLC's NPI (1568793990) is active in the NPPES registry as of the last update on 2010-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.