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

Dr. Andrew J Lechner III, MD, PHD

Individual provider Internal Medicine Physician · NPI 1770045023

Dr. Andrew J Lechner III, MD, PHD is an Internal Medicine in San Francisco, California. Graduated from University of California, San Francisco School of Medicine in 2019, 7 years ago. Practices with Regents of the University of California, a 717-clinician group, works from 5 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
7
Trained at
University of California, San Francisco School of Medicine
Licensed in
CA
In the registry since
2019
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

400 Parnassus Ave Fl 6 Rm A6114
San Francisco, CA 94143-2202
Phone: (415) 353-2961
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 1001 Potrero Ave, San Francisco, CA 94110-3518 — (415) 476-1529
  • 4150 Clement St, San Francisco, CA 94121-1563 — (415) 476-1529
  • 505 Parnassus Ave Rm M-1480, San Francisco, CA 94143-2204 — (415) 476-1529
  • 1600 Divisadero St, San Francisco, CA 94143-3010 — (415) 476-1529

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence A178765 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A178765 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1770045023
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedApril 4, 2019
Last updated in NPPESJune 12, 2025
Certification dateJune 12, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesCRITICAL CARE (INTENSIVISTS), PULMONARY DISEASE
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Regents Of The University Of California — 717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

Other providers in San Francisco