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

Karen Lei, MD

Individual provider Internal Medicine Physician · NPI 1184367427

Karen Lei, MD is an Internal Medicine in LA Jolla, California. Qualified in 2022, 4 years ago. Practices with Ximed Hospitalists, Inc, a 35-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
4
Licensed in
CA
In the registry since
2022
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

10666 N Torrey Pines Rd
LA Jolla, CA 92037-1027
Phone: (858) 554-3200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A188659 (CA)

Record details

NPI number1184367427
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 14, 2022
Last updated in NPPESJuly 30, 2025
Certification dateJuly 30, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Ximed Hospitalists, Inc. — 35 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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