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

Dr. Jason Alan Gregory, MD

Individual provider Neuropathology Physician · NPI 1114365533

Dr. Jason Alan Gregory, MD is a Pathology in Bethesda, Maryland. Graduated from University of Kansas School of Med (KC/WICH/SAL) in 2013, 13 years ago. Practices with Ruffolo Hooper and Associates MD PA, a 43-clinician group and accepts Medicare assignment. Licensed in Nebraska.

Years since qualifying
13
Trained at
University of Kansas School of Med (KC/WICH/SAL)
Licensed in
NE
In the registry since
2013
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

8901 Rockville Pike
Bethesda, MD 20889-4504
Phone: (301) 295-4000
Show map & directions

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

Specialties & licences

Neuropathology Physician (primary) Taxonomy 207ZN0500X · Licence 28398 (NE)

Record details

NPI number1114365533
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 7, 2013
Last updated in NPPESJanuary 21, 2025
Certification dateJanuary 21, 2025

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolUNIVERSITY OF KANSAS SCHOOL OF MED (KC/WICH/SAL)
Graduated 2013 (13 years in practice)
Group practice Ruffolo Hooper And Associates Md Pa — 43 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare