MARK AINSLEY INNIS MD
NPI 1740450220
Emergency Medicine in Portsmouth, VA
About Mark Ainsley Innis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK AINSLEY INNIS MD (NPI 1740450220) is an individual emergency medicine provider in Portsmouth, Virginia, licensed in Virginia (0101243430) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS, is affiliated with Brookdale Hospital Medical Center, and maintains a secondary practice location in Sullivan.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark Ainsley Innis Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Brookdale Hospital Medical Center
Acute Care Hospitals · Brooklyn, NYSentara Albemarle Medical Center
Acute Care Hospitals · Elizabeth City, NCBon Secours Maryview Medical Center
Acute Care Hospitals · Portsmouth, VASovah Health Danville
Acute Care Hospitals · Danville, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 23707 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTSMOUTH, VA 23707
PORTSMOUTH, VA 23707
PORTSMOUTH, VA 23707
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Innis's NPI number?
The NPI number for Mark Innis is 1740450220. It was assigned to this individual provider in the NPPES registry on March 11, 2008.
Where is Mark Innis located?
Mark Innis practices at 3636 High St, Portsmouth, VA 23707. The listed phone number is (757) 398-2200.
What is Mark Innis's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mark Innis enrolled in Medicare?
Yes. Mark Innis is registered in the Medicare PECOS enrollment system.
What insurance does Mark Innis accept?
Health plans from Oscar Insurance Company list Mark Innis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Mark Innis affiliated with any hospitals?
According to CMS data, Mark Innis is affiliated with Brookdale Hospital Medical Center, Sentara Albemarle Medical Center, Bon Secours Maryview Medical Center and Sovah Health Danville.
When was this NPI record last updated?
The NPPES record for Mark Innis was last updated on April 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.