Johanna Brunner, MD
NPI 1558103044 · Student in an Organized Health Care Education/Training Program · Martinez, CA
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Johanna Brunner, MD is a Student in an Organized Health Care Education/Training Program provider in Martinez, CA (NPI 1558103044).
Provider details
- NPI number
- 1558103044
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Female
- 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
2 yrs 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
- 2024-06-07
- Last updated
- 2024-06-07
- Certified
- 2024-06-07
Frequently asked questions
- What is Johanna Brunner's NPI number?
- Johanna Brunner's National Provider Identifier (NPI) is 1558103044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johanna Brunner's specialty?
- Johanna Brunner 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 Johanna Brunner located?
- Johanna Brunner's practice location on file with NPPES is 2500 Alhambra Ave, Martinez, CA 94553-3156.
- What is Johanna Brunner's phone number?
- The practice phone number listed in the NPPES registry for Johanna Brunner is (925) 370-5117.
- Does Johanna Brunner accept Medicare?
- Johanna Brunner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Johanna Brunner's NPI active?
- Yes — Johanna Brunner's NPI (1558103044) is active in the NPPES registry as of the last update on 2024-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.