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

Calvin K Lei, MD

Individual provider Internal Medicine Physician · NPI 1265432967

Calvin K Lei, MD is an Internal Medicine in Pleasanton, California. Qualified in 1987, 39 years ago. Practices with University Healthcare Alliance, a 332-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
39
Licensed in
CA
In the registry since
2005
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

5565 W Las Positas Blvd Ste 260
Pleasanton, CA 94588-5807
Phone: (925) 416-5470
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1447 Cedarwood Lane #A, Pleasanton, CA 94550 — (925) 460-9903

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A54048 (CA)

Record details

NPI number1265432967
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 26, 2005
Last updated in NPPESAugust 11, 2020
Certification dateAugust 11, 2020
Mailing address5565 W Las Positas Blvd Ste 260, Pleasanton, CA 94588-5807

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice University Healthcare Alliance — 332 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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