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

Frederick Santiago, MD

Individual provider Internal Medicine Physician · NPI 1538598412

Frederick Santiago, MD is an Internal Medicine in Torrance, California. Qualified in 1989, 37 years ago. Practices with Healthcare Partners Affiliates Medical Group, a 790-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
37
Licensed in
CA
In the registry since
2013
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

3330 Lomita Blvd Torrance Memorial Medical Ctr
Torrance, CA 90505-5002
Phone: (310) 784-8770
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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 A127558 (CA)

Record details

NPI number1538598412
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 1, 2013
Last updated in NPPESJanuary 9, 2026
Certification dateJanuary 9, 2026
Mailing addressPo Box 35380, Las Vegas, NV 89133-5380

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Healthcare Partners Affiliates Medical Group — 790 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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