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

Juan C. Asenjo, MD

Individual provider Hospitalist Physician · NPI 1609954486

Juan C. Asenjo, MD is an Internal Medicine in Oakland, California. Graduated from University of California, Davis School of Medicine in 2000, 26 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
26
Trained at
University of California, Davis 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

275 W Macarthur Blvd
Oakland, CA 94611-5641
Phone: (510) 752-1000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence A77526 (CA)

Record details

NPI number1609954486
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESDecember 20, 2021
Mailing address275 W Macarthur Blvd, Oakland, CA 94611-5641

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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