Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Johanna Elizabeth Gerwer, MD, MPH

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1043742588

Johanna Elizabeth Gerwer, MD, MPH is an Internal Medicine in San Diego, California. Graduated from Texas Tech University Health Science Center School of Medicine in 2017, 9 years ago. Practices with Family Health Centers of San Diego Inc, a 297-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
9
Trained at
Texas Tech University Health Science Center School of Medicine
Licensed in
CA
In the registry since
2017
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

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Practice location Address checks out

1809 National Ave
San Diego, CA 92113-2113
Phone: (619) 515-2300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence A169752 (CA)

Record details

NPI number1043742588
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedApril 3, 2017
Last updated in NPPESSeptember 13, 2022
Certification dateSeptember 13, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolTEXAS TECH UNIVERSITY HEALTH SCIENCE CENTER SCHOOL OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Family Health Centers Of San Diego Inc — 297 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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