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June S Peng, MD

Surgical Oncology Physician in Walnut Creek, CA · enumerated 2010.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1124321252

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Registry record

Entity type Individual (Type 1)
Name June S Peng
Credential MD
Sex Female
Practice address 1479 Ygnacio Valley Rd Ste 200, Walnut Creek, CA, 94598
Phone (925) 296-7340
Enumeration date Dec 12, 2010
Last updated in NPPES Nov 21, 2023

Taxonomy & licenses

2086X0206X Surgical Oncology Physician Allopathic & Osteopathic Physicians · License MD468184 (PA) Secondary
2086X0206X Surgical Oncology Physician Allopathic & Osteopathic Physicians · License 191994 (CA) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
1036594280001 Medicaid PA -

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for June Peng?
The National Provider Identifier (NPI) for June Peng is 1124321252, a Type 1 (individual) record in the CMS NPPES registry.
Where does June Peng practice?
The practice location on file with NPPES is in Walnut Creek, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-21.