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

Gregory Tsai Guffanti, MD

Individual provider Family Medicine Physician · NPI 1972820967

Gregory Tsai Guffanti, MD is a Family Practice in Milwaukie, Oregon. Graduated from Johns Hopkins University School of Medicine in 2010, 16 years ago. Practices with Neighborhood Health Center, a 34-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
16
Trained at
Johns Hopkins University School of Medicine
Licensed in
OR
In the registry since
2010
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

10330 SE 32nd Ave 325
Milwaukie, OR 97222-6587
Phone: (503) 416-1960
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

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MD161630 (OR)

Record details

NPI number1972820967
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 29, 2010
Last updated in NPPESApril 20, 2020
Certification dateApril 20, 2020

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2010 (16 years in practice)
Group practice Neighborhood Health Center — 34 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Milwaukie