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

Dr. Diana C Negreanu, MD

Individual provider Specialist · NPI 1538282447

Dr. Diana C Negreanu, MD is an Endocrinology in Portland, Oregon. Qualified in 1991, 35 years ago. Practices with The Endocrine Clinic PC, a 2-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oregon.

Years since qualifying
35
Licensed in
OR
In the registry since
2007
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

5050 NE Hoyt St Ste 317
Portland, OR 97213-2982
Phone: (503) 256-4096
Fax: (503) 256-0101
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

Specialist (primary) Taxonomy 174400000X · Licence LL16507 (OR)

Record details

NPI number1538282447
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 6, 2007
Last updated in NPPESMay 12, 2022
Certification dateMay 12, 2022

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice The Endocrine Clinic Pc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Portland