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

Dr. Joana Joy Tamayo, MD

Individual provider Specialist · NPI 1235106188

Dr. Joana Joy Tamayo, MD is an Obstetrics/Gynecology in Glendale, California. Graduated from Loma Linda University School of Medicine in 2001, 25 years ago. Practices with Sutter Valley Medical Foundation, a 2,464-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
25
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

1808 Verdugo Blvd Ste 208
Glendale, CA 91208-1477
Phone: (818) 952-5322
Fax: (818) 952-7993
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence A79900 (CA)

Record details

NPI number1235106188
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 28, 2006
Last updated in NPPESJuly 13, 2026

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Sutter Valley Medical Foundation — 2464 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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