Mark Wantaja, DO
NPI 1750907143 · Internal Medicine Physician · Norton, VA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Wantaja, DO is a Internal Medicine Physician provider in Norton, VA (NPI 1750907143).
Provider details
- NPI number
- 1750907143
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OP61432898 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
478 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 169 | $77 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 105 | $111 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 88 | $115 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 48 | $166 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 44 | $48 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 29 | 24 |
| Furosemide | 28 | 23 |
| Metoprolol Succinate | 25 | 25 |
| Apixabanbrand: Eliquis | 24 | 20 |
| Cefdinir | 22 | 22 |
| Prednisone | 19 | 18 |
| Amlodipine Besylate | 18 |
Practice location
Mailing address
Additional practice locations (1)
- 1615 Delaware StLongview, WA 98632-2367Phone: (360) 501-3601Fax: (360) 442-6843
Registry dates
- Enumerated
- 2020-06-22
- Last updated
- 2023-07-19
- Certified
- 2023-07-19
Frequently asked questions
- What is Mark Wantaja's NPI number?
- Mark Wantaja's National Provider Identifier (NPI) is 1750907143, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Wantaja's specialty?
- Mark Wantaja is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Wantaja located?
- Mark Wantaja's practice location on file with NPPES is 96 15th St Nw, Norton, VA 24273-1625.
- What is Mark Wantaja's phone number?
- The practice phone number listed in the NPPES registry for Mark Wantaja is (276) 679-3488.
- Does Mark Wantaja accept Medicare?
- Mark Wantaja is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Wantaja's NPI active?
- Yes — Mark Wantaja's NPI (1750907143) is active in the NPPES registry as of the last update on 2023-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.