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

Dennis Li

Individual provider Family Medicine Physician · NPI 1356924559

Dennis Li is a Family Practice in Walnut Creek, California. Qualified in 2023, 3 years ago. Practices with John Muir Physician Network, a 486-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
3
Licensed in
CA
In the registry since
2021
Specialties on file
2
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Practice location Address checks out

1450 Treat Blvd Ste 320
Walnut Creek, CA 94597-2168
Phone: (925) 296-9827
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1450 Treat Blvd Ste 160, Walnut Creek, CA 94597-2168 — (925) 296-9000

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X
Family Medicine Physician Taxonomy 207Q00000X · Licence A197751 (CA)

Record details

NPI number1356924559
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMay 4, 2021
Last updated in NPPESNovember 18, 2025
Certification dateNovember 18, 2025

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice John Muir Physician Network — 486 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Walnut Creek