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

Jeffrey Robert Merz-Herrala, MD

Individual provider Emergency Medicine Physician · NPI 1619505120

Jeffrey Robert Merz-Herrala, MD is an Emergency Medicine in San Francisco, California. Graduated from Harvard Medical School in 2020, 6 years ago. Practices with University of California Sfgh Medical Group, a 571-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
6
Trained at
Harvard Medical School
Licensed in
CA
In the registry since
2020
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

520 Illinois St
San Francisco, CA 94143-2501
Phone: (415) 353-9188
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1411 E 31st St, Oakland, CA 94602-1092 — (612) 849-0040
  • 1001 Potrero Ave. Bldg. 25 1st Floor, San Francisco, CA 94110-3518 — (628) 206-8111

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A184839 (CA)

Record details

NPI number1619505120
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 30, 2020
Last updated in NPPESSeptember 23, 2025
Certification dateSeptember 23, 2025

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Also practisesANESTHESIOLOGY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2020 (6 years in practice)
Group practice University Of California Sfgh Medical Group — 571 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations6 on file with Medicare

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