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Active NPI 1740450220 Individual Practitioner Male Practitioner

Dr. Mark Ainsley Innis , MD

Emergency Medicine • Portsmouth, VA

Professional Overview & Biography Verified Profile Summary

Dr. Mark Innis, MD is a certified Emergency Medicine practicing in Portsmouth, VA. With approximately 22 years of clinical experience since graduating from Ohio State University College Of Medicine in 2004, Dr. Innis delivers high-quality medical care to the local community at 3636 HIGH ST.

Dr. Innis maintains professional affiliations with Ainsley Medical Llc, Interfaith Emergency Medicine Pc and does not directly accept Medicare assignment.

Frequently performed procedures and clinical services include emergency department visit for life threatening or functioning severity, emergency department visit with moderate level of medical decision making, critical care, first. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3636 High St

Portsmouth, VA 237073236

Telephone 7573982200
Fax 7573982359
Associated Practice Facility / Clinic
🏢 Maryview Outpatient Pharmacy Facility NPI 1255395968

Medicare Profile & Education

Medical School

Ohio State University College Of Medicine

Graduation Year

2004

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Emergency Medicine in Portsmouth, VA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
22 Yrs +7.1 yrs vs City Avg
City Avg: 14.9 Yrs
State Avg: 21.3 Yrs
Regional Practice Density
79 Specialists

Practicing in Portsmouth, VA (1769 Statewide)

Telehealth Adoption Rate
1.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
88.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Innis (22 Years) 22 Yrs
Portsmouth Specialty Average (14.9 Years) 14.9 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99285 Emergency department visit for life threatening or functioning severity
210 202 $1614.86 $166.03
99284 Emergency department visit with moderate level of medical decision making
139 137 $973.97 $118.55
99291 Critical care, first 30-74 minutes
68 64 $1931.98 $200.69
99283 Emergency department visit with low level of medical decision making
26 26 $407.80 $74.15

Medical Specialties & State Licenses

CMS Verified: 2026-04-03
Emergency Medicine Primary Specialty

NUCC Taxonomy Code: 207P00000X

State License VA 0101243430

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Emergency Medicine

NUCC Taxonomy Code: 207P00000X

State License NY 248590

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Emergency Medicine

NUCC Taxonomy Code: 207P00000X

State License IN 01078891A

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
1740450220 (VA)

Hospital & Practice Group Affiliations

Ainsley Medical Llc

1108 Main St, Danville, VA 245412940

Phone: 4344216180

Interfaith Emergency Medicine Pc

1545 Atlantic Ave, Brooklyn, NY 112131122

Phone: 7186134000

Secondary Practice Locations

2200 N Section St

Sullivan, IN 478827523

Phone: 8122684311

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Kristen Brown , CRNA, DNP

Nurse Anesthetist, Certified Registered

NPI 1003439548

Certified Registered Nurse Anesthetist, Doctor of Nursing Practice

Lola Oliver , PA-C

Physician Assistant

NPI 1003670613

Physician Assistant (Certified)

Jordan Cox , AGACNP

Nurse Practitioner - Acute Care

NPI 1023798964

Adult-Gerontology Acute Care Nurse Practitioner

Dr. Stephan Hanna , DO

Student in an Organized Health Care Education/Training Program

NPI 1033006945

Doctor of Osteopathic Medicine (D.O.)

Odelkys Alvarez

Nurse Anesthetist, Certified Registered

NPI 1033651633
Ashleigh Wiggins , MSN, AGPCNP-BC

Nurse Practitioner - Adult Health

NPI 1043835101

Master of Science in Nursing, AGPCNPBC

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 03, 2026

Emergency Medicine (License #248590 in NY)

NPI Profile Active August 18, 2008

NPI status registered as active in NPPES database

📍
Updated Practice Location August 18, 2008

Registered at 3636 HIGH ST, PORTSMOUTH, VA 237073236 (Tel: 7573982200)

📍
Updated Business Mailing Address August 18, 2008

Registered at 1431 CENTERPOINT BLVD, SUITE 100, KNOXVILLE, TN 379321984 (Tel: 8659857012)

👤
Provider Name / Credentials Updated August 18, 2008

Recorded as MARK INNIS, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 18, 2008

Emergency Medicine (License #0101243430 in VA)

🟢
Initial NPI Registration & Enumeration March 11, 2008

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1740450220
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 11, 2008
Last Update: April 03, 2026
Sole Proprietor: No

Mailing Address

1431 Centerpoint Blvd, Suite 100

Knoxville, TN 379321984

Phone: 8659857012

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.