Doctor profile · Federal record
Dr. Mark Innis, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Emergency Medicine Physician · Portsmouth, VA
- NPI 1740450220
- Accepts Medicare
- 22 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3636 High St
Portsmouth, VA 237073236
(757) 398-2200
fax (757) 398-2359 - Additional location
-
2200 N Section St
Sullivan, IN 478827523
(812) 268-4311 - Mailing address
-
1431 Centerpoint Blvd, Suite 100
Knoxville, TN 379321984
Credentials & registration
- NPI registered
- March 2008 — 18 yrs on file
- Profile last updated
- April 3, 2026
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (3)
- Virginia #0101243430 · New York #248590 · Indiana #01078891A
- Medicaid
- VA #1740450220
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740450220. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
534
Distinct HCPCS
5
Medicare allowed
$76,815
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 278 | 265 | $173 | |
99284 |
Emergency department visit with moderate level of medical decision making | 166 | 161 | $118 | |
99283 |
Emergency department visit with low level of medical decision making | 54 | 52 | $74 | |
99291 |
Critical care, first 30-74 minutes | 24 | 24 | $211 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 12 | 12 | $8 |
In context: peer comparison
Among 24 peers in Portsmouth Emergency Medicine Physician, average services per provider: 92. This provider delivers 5.8× the peer median.Open Payments
Industry payments received
All-time total
$36
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ViiV Healthcare Company | 1 | $20.18 | |
| Ardelyx, INC. | 1 | $15.85 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,022
Patients
1,003
Total drug cost
$243,825
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Arexvy (Rsvpref3 Antigen/As01e/Pf) | Brand | 694 | 693 | $219,848 |
| Shingrix (Varicella-Zoster Ge/As01b/Pf) | Brand | 96 | 83 | $20,472 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 35 | 35 | $108 |
| Prednisone | Generic | 31 | 30 | $90 |
| Boostrix Tdap (Diphth,Pertuss(Acell),Tet Vac) | Brand | 24 | 24 | $1,586 |
| Cephalexin | Generic | 23 | 23 | $122 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 16 | 15 | $212 |
| Meclizine Hcl | Generic | 16 | 15 | $70 |
| Methocarbamol | Generic | 15 | 13 | $72 |
| Clindamycin Hcl | Generic | 13 | 13 | $153 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Innis's medical specialty?
Dr. Mark Innis practices Emergency Medicine Physician in Portsmouth, VA.
Where does Dr. Mark Innis practice?
Dr. Mark Innis practices at 3636 High St, Portsmouth, VA 237073236. Office phone: 7573982200.
What is Dr. Mark Innis's NPI?
Dr. Mark Innis's National Provider Identifier (NPI) is 1740450220, issued by NPPES.
Does Dr. Mark Innis accept Medicare assignment?
Yes. Dr. Mark Innis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Innis commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.