Quick answers
- Does Otfried N. Niedermaier accept Medicare assignment?
- Yes. Medicare's clinician data says Otfried N. Niedermaier 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 Otfried N. Niedermaier see?
- In 2024, CMS data shows 691 Original Medicare patients and 1,187 services for Otfried N. Niedermaier. This counts Original Medicare only and measures volume, not quality.
- What is Otfried N. Niedermaier's NPI number?
- 1942205588. 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 Otfried N. Niedermaier, 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 | 691 |
|---|---|
| Services billed to Medicare | 1,187 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)228 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)162 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)160 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)148 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)75 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 blood pressure75%
- High cholesterol75%
- Ischemic heart disease58%
- Arthritis56%
- Heart failure45%
- Atrial fibrillation43%
Hospitals where Otfried N. Niedermaier works
Medicare's Facility Affiliation Data lists Otfried N. Niedermaier 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.
- Akron General Medical CenterAkron, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 360027
- Summa Health SystemAkron, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360020
Practice locations
Addresses where Otfried N. Niedermaier is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 155 5th St NEBarberton, OH 44203
- 1835 Franks PkwyGreen, OH 44685
- 3780 Medina RdMedina, OH 44256 (330) 375‑6590
- 525 E Market StAkron, OH 44304
- 75 Arch StAkron, OH 44304
Group practices
Medicare enrollment lists Otfried N. Niedermaier as a member of this group (CMS data updated October 2, 2026).
- Summa Physicians LLC671 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Ohio →
Other cardiologists in Barberton
Clinicians with the same Medicare primary specialty in Barberton, OH — not a recommendation.
Other clinicians in Summa Physicians LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1985 (41 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942205588 |
| 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