Gunnar Mattson, MD
NPI 1558165530 · Student in an Organized Health Care Education/Training Program · Oakland, CA
Gunnar Mattson, MD is a Student in an Organized Health Care Education/Training Program provider in Oakland, CA (NPI 1558165530).
Provider details
- NPI number
- 1558165530
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% 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
- 2025-04-01
- Last updated
- 2025-04-01
- Certified
- 2025-04-01
Frequently asked questions
- What is Gunnar Mattson's NPI number?
- Gunnar Mattson's National Provider Identifier (NPI) is 1558165530, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gunnar Mattson's specialty?
- Gunnar Mattson is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Gunnar Mattson located?
- Gunnar Mattson's practice location on file with NPPES is 350 Hawthorne Ave, Oakland, CA 94609-3108.
- What is Gunnar Mattson's phone number?
- The practice phone number listed in the NPPES registry for Gunnar Mattson is (510) 869-1562.
- Is Gunnar Mattson's NPI active?
- Yes — Gunnar Mattson's NPI (1558165530) is active in the NPPES registry as of the last update on 2025-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.