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

Mark Ainsley Innis, MD

Individual provider Emergency Medicine Physician · NPI 1740450220

Mark Ainsley Innis, MD is an Emergency Medicine in Portsmouth, Virginia. Graduated from Ohio State University College of Medicine in 2004, 22 years ago. Practices with Ainsley Medical LLC, a 2-clinician group and works from 2 locations. Licensed in Indiana, New York and Virginia.

Years since qualifying
22
Trained at
Ohio State University College of Medicine
Licensed in
IN, NY, VA
In the registry since
2008
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

3636 High St
Portsmouth, VA 23707-3236
Phone: (757) 398-2200
Fax: (757) 398-2359
Show map & directions

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

Additional practice locations (1)

  • 2200 N Section St, Sullivan, IN 47882-7523 — (812) 268-4311

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 0101243430 (VA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 248590 (NY)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 01078891A (IN)

Record details

NPI number1740450220
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 11, 2008
Last updated in NPPESApril 3, 2026
Certification dateApril 3, 2026
Mailing address1431 Centerpoint Blvd, Suite 100, Knoxville, TN 37932-1984

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2004 (22 years in practice)
Group practice Ainsley Medical Llc — 2 clinicians
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

Other providers in Portsmouth