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

Dr. William Li, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1154703940

Dr. William Li, MD is an Infectious Disease in Los Angeles, California. Qualified in 2015, 11 years ago. Practices as a sole proprietor, works from 3 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
11
Licensed in
CA
In the registry since
2015
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

1225 Wilshire Blvd
Los Angeles, CA 90017-1901
Phone: (213) 977-2121
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 111 West La Palma Ave, Anaheim, CA 92801 — (714) 774-1450
  • 450 Clarkson Ave, Brooklyn, NY 11203 — (718) 270-2030

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence A150608 (CA)

Record details

NPI number1154703940
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 29, 2015
Last updated in NPPESMarch 22, 2022
Certification dateMarch 9, 2022

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS), INTERNAL MEDICINE
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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