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

June S Peng, MD

Individual provider Surgical Oncology Physician · NPI 1124321252

June S Peng, MD is a Surgical Oncology in Walnut Creek, California. Graduated from Johns Hopkins University School of Medicine in 2012, 14 years ago. Practices with John Muir Physician Network, a 486-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California and Pennsylvania.

Years since qualifying
14
Trained at
Johns Hopkins University School of Medicine
Licensed in
CA, PA
In the registry since
2010
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1479 Ygnacio Valley Rd Ste 200
Walnut Creek, CA 94598-2954
Phone: (925) 296-7340
Show map & directions

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

Additional practice locations (1)

  • 1825 4th St, San Francisco, CA 94143-2350 — (415) 353-3000

Specialties & licences

Surgical Oncology Physician (primary) Taxonomy 2086X0206X · Licence 191994 (CA)
Surgical Oncology Physician Taxonomy 2086X0206X · Licence MD468184 (PA)

Record details

NPI number1124321252
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 12, 2010
Last updated in NPPESNovember 21, 2023
Certification dateNovember 21, 2023

Medicare enrollment

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

Medicare specialtySURGICAL ONCOLOGY
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2012 (14 years in practice)
Group practice John Muir Physician Network — 486 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare