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

William D. Keen Jr, MD

Individual provider Cardiovascular Disease Physician · NPI 1962561571

William D. Keen Jr, MD is an Internal Medicine in San Diego, California. Graduated from Rutgers New Jersey Medical School in 1986, 40 years ago. Practices with Regents of the University of California, a 2,061-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
40
Trained at
Rutgers New Jersey Medical School
Licensed in
CA
In the registry since
2006
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

200 W Arbor Dr
San Diego, CA 92103-9000
Phone: (800) 926-8273
Fax: (888) 539-8781
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence G73551 (CA)

Record details

NPI number1962561571
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 8, 2006
Last updated in NPPESFebruary 22, 2022
Certification dateFebruary 22, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolRUTGERS NEW JERSEY MEDICAL SCHOOL
Graduated 1986 (40 years in practice)
Group practice Regents Of The University Of California — 2061 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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