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

John Bradfield Gerlach, MD

Individual provider Emergency Medicine Physician · NPI 1043912678

John Bradfield Gerlach, MD is a Family Practice in Tucson, Arizona. Graduated from University of Michigan Medical School in 2023, 3 years ago. Practices with Santa Rosa Community Health Centers, a 71-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona and California.

Years since qualifying
3
Trained at
University of Michigan Medical School
Licensed in
AZ, CA
In the registry since
2023
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1625 N Campbell Ave
Tucson, AZ 85719-4330
Phone: (520) 694-8888
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3569 Round Barn Cir Ste 200, Santa Rosa, CA 95403-5784 — (707) 583-8800

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence R82717 (AZ)
Family Medicine Physician Taxonomy 207Q00000X · Licence 199099 (CA)

Record details

NPI number1043912678
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 20, 2023
Last updated in NPPESJuly 1, 2026
Certification dateJuly 1, 2026

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 2023 (3 years in practice)
Group practice Santa Rosa Community Health Centers — 71 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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