Tara Mertz-Hack, MD
NPI 1245641489 · Family Medicine Physician · Oakes, ND
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tara Mertz-Hack, MD is a Family Medicine Physician provider in Oakes, ND (NPI 1245641489).
Provider details
- NPI number
- 1245641489
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MRM-1396 (ID)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,397 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 781 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 745 | $8 |
| Blood Test, Clotting Time85610 | 451 | $4 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 434 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 249 | $13 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 203 | $8 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 285 | 81 |
| Levothyroxine Sodium | 180 | 45 |
| Omeprazole | 175 | 47 |
| Lisinopril | 169 | 46 |
| Metoprolol Succinate | 153 | 35 |
| Losartan Potassium | 151 | 36 |
| Apixaban |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-05-09
- Last updated
- 2019-06-01
Frequently asked questions
- What is Tara Mertz-Hack's NPI number?
- Tara Mertz-Hack's National Provider Identifier (NPI) is 1245641489, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tara Mertz-Hack's specialty?
- Tara Mertz-Hack is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tara Mertz-Hack located?
- Tara Mertz-Hack's practice location on file with NPPES is 420 S 7th St, Oakes, ND 58474-2024.
- What is Tara Mertz-Hack's phone number?
- The practice phone number listed in the NPPES registry for Tara Mertz-Hack is (701) 742-3267.
- Does Tara Mertz-Hack accept Medicare?
- Tara Mertz-Hack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tara Mertz-Hack's NPI active?
- Yes — Tara Mertz-Hack's NPI (1245641489) is active in the NPPES registry as of the last update on 2019-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.