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

Ferrin Katarina Ruiz, MD

Individual provider Specialist · NPI 1477998870

Ferrin Katarina Ruiz, MD is an Internal Medicine in Montebello, California. Graduated from Yale University School of Medicine in 2013, 13 years ago. Practices with Ruben Ruiz M D a Medical Corporation, a 2-clinician group and works from 3 locations. Licensed in California.

Years since qualifying
13
Trained at
Yale University School of Medicine
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

833 W Whittier Blvd
Montebello, CA 90640-4735
Phone: (323) 712-4811
Fax: (323) 544-6488
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 403 W F St, Ontario, CA 91762-3207 — (909) 988-3288
  • 436 S Riverside Ave, Rialto, CA 92376-6523 — (909) 877-8868

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence A132956 (CA)

Record details

NPI number1477998870
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 30, 2013
Last updated in NPPESJanuary 16, 2019

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolYALE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Ruben Ruiz M D A Medical Corporation — 2 clinicians
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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