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

Abigail Defrees May Khan, MD

Individual provider Adult Congenital Heart Disease Physician · NPI 1558498980

Abigail Defrees May Khan, MD is a Cardiovascular Disease (Cardiology) in Portland, Oregon. Graduated from Harvard Medical School in 2006, 20 years ago. Practices with University Professional Services, a 1,704-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts and Oregon.

Years since qualifying
20
Trained at
Harvard Medical School
Licensed in
MA, OR
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3303 S Bond Ave
Portland, OR 97239-4501
Phone: (503) 494-1775
Fax: (503) 494-4749
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence MD172161 (OR)
Adult Congenital Heart Disease Physician Taxonomy 207RA0002X · Licence MD172161 (OR)
Internal Medicine Physician Taxonomy 207R00000X · Licence L-228367 (MA)

Record details

NPI number1558498980
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 27, 2007
Last updated in NPPESFebruary 13, 2026
Certification dateFebruary 13, 2026

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2006 (20 years in practice)
Group practice University Professional Services — 1704 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services