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

Justin Ahn, MD

Individual provider Urology Physician · NPI 1063755148

Justin Ahn, MD is an Urology in San Francisco, California. Graduated from University of Texas Southwestern Medical School at Dallas in 2013, 13 years ago. Practices with UCSF Medical Group Business Services, a 1,531-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
13
Trained at
University of Texas Southwestern Medical School at Dallas
Licensed in
CA
In the registry since
2013
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

400 Parnassus Ave # A610
San Francisco, CA 94143-2202
Phone: (415) 885-7748
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence A160202 (CA)

Record details

NPI number1063755148
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 27, 2013
Last updated in NPPESJanuary 16, 2020
Certification dateJanuary 16, 2020
Mailing address400 Parnassus Ave, A610, San Francisco, CA 94143-2202

Medicare enrollment

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

Medicare specialtyUROLOGY
Medical schoolUNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduated 2013 (13 years in practice)
Group practice Ucsf Medical Group Business Services — 1531 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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