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

Dr. Diego Rafael Fernandez, MD

Individual provider Internal Medicine Physician · NPI 1871957712

Dr. Diego Rafael Fernandez, MD is an Internal Medicine in Oakland, California. Qualified in 2016, 10 years ago. Practices with Sutter Bay Medical Foundation, a 3,762-clinician group and accepts Medicare assignment. Licensed in Alabama and California.

Years since qualifying
10
Licensed in
AL, CA
In the registry since
2016
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

350 Hawthorne Ave Ste 2308
Oakland, CA 94609-3108
Phone: (510) 869-6883
Fax: (510) 869-6888
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A172321 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD.36555 (AL)

Record details

NPI number1871957712
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 6, 2016
Last updated in NPPESApril 15, 2022
Certification dateApril 15, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Sutter Bay Medical Foundation — 3762 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Oakland