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

Zachary A. Gregg, MD

Individual provider Colon & Rectal Surgery Physician · NPI 1285836312

Zachary A. Gregg, MD is a Colorectal Surgery (Proctology) in Charlottesville, Virginia. Graduated from Rutgers New Jersey Medical School in 2007, 19 years ago. Practices with Martha Jefferson Medical Group LLC, a 191-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Virginia.

Years since qualifying
19
Trained at
Rutgers New Jersey Medical School
Licensed in
VA
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 →

Practice location Address checks out

500 Martha Jefferson Dr Fl 5
Charlottesville, VA 22911
Phone: (434) 654-5260
Fax: (434) 654-5261
Show map & directions

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

Specialties & licences

Colon & Rectal Surgery Physician (primary) Taxonomy 208C00000X · Licence 0101258691 (VA)

Record details

NPI number1285836312
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 1, 2007
Last updated in NPPESJuly 3, 2018

Medicare enrollment

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

Medicare specialtyCOLORECTAL SURGERY (PROCTOLOGY)
Medical schoolRUTGERS NEW JERSEY MEDICAL SCHOOL
Graduated 2007 (19 years in practice)
Group practice Martha Jefferson Medical Group Llc — 191 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services