Philip Mattson, MD
NPI 1134277098 · Neonatal-Perinatal Medicine Physician · San Diego, CA
Philip Mattson, MD is a Neonatal-Perinatal Medicine Physician provider in San Diego, CA (NPI 1134277098).
Provider details
- NPI number
- 1134277098
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G24191 (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
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
Mailing address
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 2008-09-23
Frequently asked questions
- What is Philip Mattson's NPI number?
- Philip Mattson's National Provider Identifier (NPI) is 1134277098, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Philip Mattson's specialty?
- Philip Mattson is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Philip Mattson located?
- Philip Mattson's practice location on file with NPPES is 4647 Zion Ave, San Diego, CA 92120-2507.
- What is Philip Mattson's phone number?
- The practice phone number listed in the NPPES registry for Philip Mattson is (619) 528-5000.
- Is Philip Mattson's NPI active?
- Yes — Philip Mattson's NPI (1134277098) is active in the NPPES registry as of the last update on 2008-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.