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

Dr. Tinatin Khizanishvili O'Connell, MD

Individual provider Gastroenterology Physician · NPI 1720253503

Dr. Tinatin Khizanishvili O'Connell, MD is a Gastroenterology in Manassas, Virginia. Graduated from Virginia Commonwealth University, School of Medicine in 2006, 20 years ago. Practices with Sentara Medical Group, a 1,403-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
20
Trained at
Virginia Commonwealth University, School of Medicine
Licensed in
VA
In the registry since
2008
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

8640 Sudley Rd Ste 201
Manassas, VA 20110-4404
Phone: (703) 368-6819
Fax: (703) 330-2923
Show map & directions

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

Additional practice locations (4)

  • 24430 Stone Springs Blvd Ste 250, Dulles, VA 20166-2268 — (571) 248-0653
  • 7915 Lake Manassas Dr Ste 302, Gainesville, VA 20155-3260 — (571) 248-0653
  • 824 N Military Hwy Ste 100, Norfolk, VA 23502-3652 — (888) 236-2263
  • 170 W Shirley Ave Ste 205, Warrenton, VA 20186-3083 — (540) 347-2470

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 0101251722 (VA)

Record details

NPI number1720253503
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 23, 2008
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 specialtyGASTROENTEROLOGY
Medical schoolVIRGINIA COMMONWEALTH UNIVERSITY, SCHOOL OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice Sentara Medical Group — 1403 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in Manassas