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

Dr. Marcus Lejon Williams, MD

Individual provider Cardiovascular Disease Physician · NPI 1417026436

Dr. Marcus Lejon Williams, MD is a Cardiovascular Disease (Cardiology) in LA Jolla, California. Graduated from Js Weill Medical College, Cornell University in 2001, 25 years ago. Practices with Coffee Regional Medical Center Inc, a 29-clinician group and accepts Medicare assignment. Licensed in California and Georgia.

Years since qualifying
25
Trained at
Js Weill Medical College, Cornell University
Licensed in
CA, GA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

10666 N Torrey Pines Rd
LA Jolla, CA 92037-1027
Phone: (858) 554-5257
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence A98711 (CA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 054048 (GA)

Record details

NPI number1417026436
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 6, 2006
Last updated in NPPESJune 30, 2009
Mailing addressFile # 54433, Los Angeles, CA 90074-0001

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE, PERIPHERAL VASCULAR DISEASE
Medical schoolJS WEILL MEDICAL COLLEGE, CORNELL UNIVERSITY
Graduated 2001 (25 years in practice)
Group practice Coffee Regional Medical Center Inc — 29 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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