Quick answers
- Does Kathleen S. Pfeifer accept Medicare assignment?
- Yes. Medicare's clinician data says Kathleen S. Pfeifer 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 Kathleen S. Pfeifer see?
- In 2024, CMS data shows 63 Original Medicare patients and 396 services for Kathleen S. Pfeifer. This counts Original Medicare only and measures volume, not quality.
- What is Kathleen S. Pfeifer's NPI number?
- 1104104181. 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 Kathleen S. Pfeifer, 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 | 63 |
|---|---|
| Services billed to Medicare | 396 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 47 |
Most frequent services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)306 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)44 services
- Psychiatric diagnostic evaluation with medical services (90792)23 services
- Hospital discharge day management, 30 minutes or less (99238)22 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).
- Anxiety75%
- Depression67%
- High blood pressure56%
- High cholesterol48%
- Diabetes25%
- Arthritis25%
Practice locations
Addresses where Kathleen S. Pfeifer is enrolled with Medicare (CMS data updated October 2, 2026).
- 880 Greenlawn AveColumbus, OH 43223 (614) 445‑4600
Group practices
Medicare enrollment lists Kathleen S. Pfeifer as a member of this group (CMS data updated October 2, 2026).
- Ohio Hospital for Psychiatry LLC8 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Columbus
Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.
Other clinicians in Ohio Hospital for Psychiatry LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| School | Ohio State University College Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104104181 |
| 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