Justin Hartke, M.D.
NPI 1154689685 · Gastroenterology Physician · Wausau, WI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Hartke, M.D. is a Gastroenterology Physician provider in Wausau, WI (NPI 1154689685).
Provider details
- NPI number
- 1154689685
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 69359-20 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 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
419 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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 107 | $218 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 74 | $65 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 50 | $157 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 47 | $72 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 32 | $121 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 281 | 94 |
| Pantoprazole Sodium | 149 | 47 |
| Linaclotidebrand: Linzess | 97 | 21 |
| Colestipol Hcl | 88 | 25 |
| Sucralfate | 81 | 38 |
| Famotidine | 68 | 24 |
| Ustekinumabbrand: Stelara | 54 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-05-03
- Last updated
- 2018-07-03
Frequently asked questions
- What is Justin Hartke's NPI number?
- Justin Hartke's National Provider Identifier (NPI) is 1154689685, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Hartke's specialty?
- Justin Hartke is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Hartke located?
- Justin Hartke's practice location on file with NPPES is 411 Westwood Dr, Wausau, WI 54401.
- What is Justin Hartke's phone number?
- The practice phone number listed in the NPPES registry for Justin Hartke is (715) 847-2558.
- Does Justin Hartke accept Medicare?
- Justin Hartke is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Hartke's NPI active?
- Yes — Justin Hartke's NPI (1154689685) is active in the NPPES registry as of the last update on 2018-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.