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

Dr. Maria R. Santos-Montemayor, MD

Individual provider Internal Medicine Physician · NPI 1316974397

Dr. Maria R. Santos-Montemayor, MD is an Internal Medicine in Arcadia, California. Qualified in 1989, 37 years ago. Practices with Healthcare Partners Affiliates Medical Group, a 790-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California and Connecticut.

Years since qualifying
37
Licensed in
CA, CT
In the registry since
2006
Specialties on file
2
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

450 E Huntington Dr
Arcadia, CA 91006-3748
Phone: (626) 462-1884
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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 042995 (CT)
Infectious Disease Physician Taxonomy 207RI0200X · Licence A79424 (CA)

Record details

NPI number1316974397
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 27, 2006
Last updated in NPPESJanuary 9, 2026
Certification dateJanuary 9, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesINFECTIOUS DISEASE
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
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Arcadia