Quick answers
- Does Matthew J. Nartker accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew J. Nartker accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Matthew J. Nartker see?
- In 2024, CMS data shows 1,455 Original Medicare patients and 2,912 services for Matthew J. Nartker. This counts Original Medicare only and measures volume, not quality.
- What is Matthew J. Nartker's NPI number?
- 1346404662. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Matthew J. Nartker, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 1,455 |
|---|---|
| Services billed to Medicare | 2,912 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Screening mammography (77067)882 services
- Screening 3d breast mammography (77063)881 services
- Dxa bone density measurement of hip, pelvis, spine (77080)484 services
- Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (G0279)162 services
- Diagnostic mammography of 1 breast (77065)133 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol68%
- High blood pressure64%
- Arthritis45%
- Osteoporosis28%
- Depression25%
- Diabetes23%
Hospitals where Matthew J. Nartker works
Medicare's Facility Affiliation Data lists Matthew J. Nartker at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Indiana University HealthIndianapolis, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150056
- Indiana University Health Bedford HospitalBedford, IN · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 151328
- Indiana University Health Tipton Hospital IncTipton, IN · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 151311
- Orthoindy HospitalIndianapolis, IN · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 150160
Practice locations
Addresses where Matthew J. Nartker is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 1000 S Main StTipton, IN 46072 (765) 675‑8538
- 10212 Lantern RdFishers, IN 46037 (317) 841‑5656
- 1111 Ronald Reagan PkwyAvon, IN 46123 (317) 963‑0166
- 1111 Ronald Reagan Pkwy, Suite 141Avon, IN 46123 (317) 715‑6477
- 1701 N Senate BlvdIndianapolis, IN 46202 (888) 484‑3258
Group practices
Medicare enrollment lists Matthew J. Nartker as a member of these groups (CMS data updated October 2, 2026).
- IU Health Medical Group LLC4,462 clinicians in the group
- Indiana University Radiology Associates Inc178 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Tipton
Clinicians with the same Medicare primary specialty in Tipton, IN — not a recommendation.
Other clinicians in IU Health Medical Group LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346404662 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians