Group One Smiles PLLC
NPI 1245954619 · Orthodontics and Dentofacial Orthopedics Dentistry · Marblehead, MA
Group One Smiles PLLC is a Orthodontics and Dentofacial Orthopedics Dentistry organization in Marblehead, MA (NPI 1245954619).
Provider details
- NPI number
- 1245954619
- Entity type
- Organization
- Primary specialty
- Orthodontics and Dentofacial Orthopedics DentistryDental Providers
- Organization subpart
- No
- Authorized official
- Theodore Markos, Owner/Dentist(617) 909-5459
Specialties & taxonomies
Dental Providers
- Pediatric Dentistry1223P0221X
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 2 Central St Ste 202Middleton, MA 01949-1736Phone: (617) 909-5459
Registry dates
- Enumerated
- 2022-09-29
- Last updated
- 2022-09-29
- Certified
- 2022-09-29
Frequently asked questions
- What is Group One Smiles PLLC's NPI number?
- Group One Smiles PLLC's National Provider Identifier (NPI) is 1245954619, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Group One Smiles PLLC?
- Group One Smiles PLLC is classified in the NPPES registry as Orthodontics and Dentofacial Orthopedics Dentistry (Dental Providers).
- Where is Group One Smiles PLLC located?
- Group One Smiles PLLC's practice location on file with NPPES is 210 Humphrey St, Marblehead, MA 01945-1665.
- What is Group One Smiles PLLC's phone number?
- The practice phone number listed in the NPPES registry for Group One Smiles PLLC is (617) 909-5459.
- Who is the authorized official for Group One Smiles PLLC?
- The authorized official listed on Group One Smiles PLLC's NPPES record is Theodore Markos, Owner/Dentist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Group One Smiles PLLC's NPI active?
- Yes — Group One Smiles PLLC's NPI (1245954619) is active in the NPPES registry as of the last update on 2022-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.