Quick answers
- Does Holly M. Kollman accept Medicare assignment?
- Yes. Medicare's clinician data says Holly M. Kollman 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 Holly M. Kollman see?
- In 2024, CMS data shows 422 Original Medicare patients and 115,311 services for Holly M. Kollman. This counts Original Medicare only and measures volume, not quality.
- What is Holly M. Kollman's NPI number?
- 1790144384. 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 Holly M. Kollman, 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 | 422 |
|---|---|
| Services billed to Medicare | 115,311 |
| Different services or procedures | 63 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg (J1569)12,430 services
- Injection, denosumab, 1 mg (J0897)12,060 services
- Injection, inclisiran, 1 mg (J1306)7,384 services
- Injection, romosozumab-aqqg, 1 mg (J3111)5,464 services
- Injection, iron sucrose, 1 mg (J1756)4,900 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 cholesterol75%
- High blood pressure69%
- Osteoporosis61%
- Arthritis60%
- Anxiety31%
- Ischemic heart disease29%
Practice locations
Addresses where Holly M. Kollman is enrolled with Medicare (CMS data updated October 2, 2026).
- 11100 Euclid AveCleveland, OH 44106 (216) 844‑1000
Group practices
Medicare enrollment lists Holly M. Kollman as a member of this group (CMS data updated October 2, 2026).
- University Hospitals Medical Group Inc2,294 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Cleveland
Clinicians with the same Medicare primary specialty in Cleveland, OH — not a recommendation.
Other clinicians in University Hospitals Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2016 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790144384 |
| 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
- 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