OrganizationActive
Gary R. Massa DDS, Msd, Inc.
NPI 1639204241 · Endodontics · Los Angeles, CA
Gary R. Massa DDS, Msd, Inc. is a Endodontics organization in Los Angeles, CA (NPI 1639204241).
Provider details
- NPI number
- 1639204241
- Entity type
- Organization
- Primary specialty
- EndodonticsDental Providers
- Organization subpart
- No
- Authorized official
- Gary Massa, President(310) 342-1399
- License
- 36261 (CA)
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
8930 S Sepulveda Blvd
Suite 101
Los Angeles, CA 90045-3606
Phone: (310) 342-1399
Street-level locationGet directions
Mailing address
8930 S Sepulveda Blvd
Los Angeles, CA 90045-3606
Registry dates
- Enumerated
- 2007-02-22
- Last updated
- 2013-06-03
Frequently asked questions
- What is Gary R. Massa DDS, Msd, Inc.'s NPI number?
- Gary R. Massa DDS, Msd, Inc.'s National Provider Identifier (NPI) is 1639204241, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gary R. Massa DDS, Msd, Inc.?
- Gary R. Massa DDS, Msd, Inc. is classified in the NPPES registry as Endodontics (Dental Providers).
- Where is Gary R. Massa DDS, Msd, Inc. located?
- Gary R. Massa DDS, Msd, Inc.'s practice location on file with NPPES is 8930 S Sepulveda Blvd, Los Angeles, CA 90045-3606.
- What is Gary R. Massa DDS, Msd, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Gary R. Massa DDS, Msd, Inc. is (310) 342-1399.
- Who is the authorized official for Gary R. Massa DDS, Msd, Inc.?
- The authorized official listed on Gary R. Massa DDS, Msd, Inc.'s NPPES record is Gary Massa, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gary R. Massa DDS, Msd, Inc.'s NPI active?
- Yes — Gary R. Massa DDS, Msd, Inc.'s NPI (1639204241) is active in the NPPES registry as of the last update on 2013-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.