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

Individual provider Internal Medicine Physician · NPI 1386659167

Dr. Raymond Dean Jennings, MD is an Internal Medicine in Clearlake, California. Graduated from Loma Linda University School of Medicine in 1962, 64 years ago. Practices with Adventist Health Clearlake Hospital Inc, a 86-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
64
Trained at
Loma Linda University School of Medicine
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

15230 Lakeshore Dr
Clearlake, CA 95422-8107
Phone: (707) 995-4500
Fax: (707) 994-2401
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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 A20599 (CA)

Record details

NPI number1386659167
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 30, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1962 (64 years in practice)
Group practice Adventist Health Clearlake Hospital Inc. — 86 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Clearlake