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

Margarita Guarin, MD

Individual provider Pediatrics Physician · NPI 1023105301

Margarita Guarin, MD is a Pediatric Medicine in Portland, Oregon. Qualified in 1989, 37 years ago. Works from 2 locations. Licensed in Illinois and Oregon.

Years since qualifying
37
Licensed in
IL, OR
In the registry since
2006
Specialties on file
4
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

501 N Graham St Ste 330A
Portland, OR 97227-2001
Phone: (503) 413-2050
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5841 S Maryland Ave, Chicago, IL 60637-1443 — (773) 702-6178

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence MD229655 (OR)
Pediatric Pulmonology Physician Taxonomy 2080P0214X · Licence MD229655 (OR)
Pediatric Pulmonology Physician Taxonomy 2080P0214X · Licence 036.150815 (IL)
Pediatrics Physician Taxonomy 208000000X · Licence 036.150815 (IL)

Record details

NPI number1023105301
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 6, 2006
Last updated in NPPESApril 17, 2026
Certification dateApril 17, 2026

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Accepts Medicare assignment Not indicated
Practice locations4 on file with Medicare

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