Doctor profile · Federal record

Dr. Mark Wantaja, DO

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Norton, VA

  • NPI 1750907143
  • Accepts Medicare
  • MIPS 87.2 / 100 · 2023
  • 6 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
96 15Th St Nw
Norton, VA 242731625
(276) 679-3488
Additional location
1615 Delaware St
Longview, WA 986322367
(360) 501-3601
fax (360) 442-6843
Mailing address
110 Clinton Ave E
Big Stone Gap, VA 242192924

Credentials & registration

NPPES · NUCC
NPI registered
June 2020 — 6 yrs on file
Profile last updated
July 19, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Virginia #0116034298 · Washington #OP61432898

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750907143. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
207
Distinct HCPCS
5
Medicare allowed
$17,616
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 82 49 $78
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 49 30 $49
99239 Hospital discharge day management, more than 30 minutes 44 44 $113
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 20 17 $117
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 11 $128

In context: peer comparison

Among 9 peers in this city , average services per provider: 81. This provider delivers 2.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
366
Patients
70
Total drug cost
$15,500
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 40 14 $379
Furosemide Generic 40 15 $168
Lisinopril Generic 34 0 $95
Amlodipine Besylate Generic 29 0 $88
Pantoprazole Sodium Generic 28 13 $171
Metoprolol Tartrate Generic 27 11 $99
Carvedilol Generic 25 0 $118
Montelukast Sodium Generic 21 0 $138
Metformin Hcl Generic 20 0 $158
Fluticasone Propionate Generic 18 0 $153

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Wantaja's medical specialty?
Dr. Mark Wantaja practices Internal Medicine Physician in Norton, VA.
Where does Dr. Mark Wantaja practice?
Dr. Mark Wantaja practices at 96 15Th St Nw, Norton, VA 242731625. Office phone: 2766793488.
What is Dr. Mark Wantaja's NPI?
Dr. Mark Wantaja's National Provider Identifier (NPI) is 1750907143, issued by NPPES.
Does Dr. Mark Wantaja accept Medicare assignment?
Yes. Dr. Mark Wantaja accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Wantaja commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.