IndividualActive
John Masters, DDS
NPI 1427184993 · General Practice Dentistry · Freeport, NY
John Masters, DDS is a General Practice Dentistry provider in Freeport, NY (NPI 1427184993).
Provider details
- NPI number
- 1427184993
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- No
- License
- 0289641 (NY)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(89/100 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
140 South Long Beach Avenue
Freeport, NY 11520-4336
Phone: (516) 378-3767
Fax: (516) 378-2312
Street-level locationGet directions
Mailing address
140 South Long Beach Avenue
Freeport, NY 11520-4336
Registry dates
- Enumerated
- 2007-02-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Masters's NPI number?
- John Masters's National Provider Identifier (NPI) is 1427184993, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Masters's specialty?
- John Masters is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is John Masters located?
- John Masters's practice location on file with NPPES is 140 South Long Beach Avenue, Freeport, NY 11520-4336.
- What is John Masters's phone number?
- The practice phone number listed in the NPPES registry for John Masters is (516) 378-3767.
- Is John Masters's NPI active?
- Yes — John Masters's NPI (1427184993) 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.