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

Alvin Li

Individual provider Dermatology Physician · NPI 1225531007

Alvin Li is a Dermatology in San Mateo, California. Graduated from Yale University School of Medicine in 2018, 8 years ago. Practices with Csi Medical Group, a 104-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in California and Illinois.

Years since qualifying
8
Trained at
Yale University School of Medicine
Licensed in
CA, IL
In the registry since
2018
Specialties on file
2
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Practice location Address checks out

136 N San Mateo Dr Fl 2
San Mateo, CA 94401-2778
Phone: (650) 348-1242
Fax: (650) 348-0788
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 525 South Dr Ste 115, Mountain View, CA 94040-4211 — (650) 969-5600
  • 2420 Samaritan Dr, San Jose, CA 95124-3907 — (408) 369-5600
  • 123 York St Apt 7g, New Haven, CT 06511-5624 — (408) 510-2791
  • 420 E Superior St, Chicago, IL 60611-4494 — (312) 503-7975

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence A176382 (CA)
Dermatology Physician Taxonomy 207N00000X · Licence 125.073474 (IL)

Record details

NPI number1225531007
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMarch 17, 2018
Last updated in NPPESDecember 19, 2023
Certification dateDecember 19, 2023

Medicare enrollment

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

Medicare specialtyDERMATOLOGY
Medical schoolYALE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2018 (8 years in practice)
Group practice Csi Medical Group — 104 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in San Mateo