Greg Mattson MD Inc
NPI 1669746897 · Family Medicine Physician · La Jolla, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greg Mattson MD Inc is a Family Medicine Physician organization in La Jolla, CA (NPI 1669746897).
Provider details
- NPI number
- 1669746897
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gregory Mattson, President(858) 454-2716
- License
- G32164 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
Mailing address
Registry dates
- Enumerated
- 2012-03-06
- Last updated
- 2012-03-06
Frequently asked questions
- What is Greg Mattson MD Inc's NPI number?
- Greg Mattson MD Inc's National Provider Identifier (NPI) is 1669746897, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Greg Mattson MD Inc?
- Greg Mattson MD Inc is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Greg Mattson MD Inc located?
- Greg Mattson MD Inc's practice location on file with NPPES is 210 Coast Blvd, La Jolla, CA 92037-4609.
- What is Greg Mattson MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Greg Mattson MD Inc is (858) 454-6141.
- Does Greg Mattson MD Inc accept Medicare?
- Greg Mattson MD Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Greg Mattson MD Inc?
- The authorized official listed on Greg Mattson MD Inc's NPPES record is Gregory Mattson, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Greg Mattson MD Inc's NPI active?
- Yes — Greg Mattson MD Inc's NPI (1669746897) is active in the NPPES registry as of the last update on 2012-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.