Quick answers
- Does Jacqueline R. Pfeifer accept Medicare assignment?
- Yes. Medicare's clinician data says Jacqueline R. 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 Jacqueline R. Pfeifer see?
- In 2024, CMS data shows 34 Original Medicare patients and 263 services for Jacqueline R. Pfeifer. This counts Original Medicare only and measures volume, not quality.
- What is Jacqueline R. Pfeifer's NPI number?
- 1710082078. 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 Jacqueline R. 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 | 34 |
|---|---|
| Services billed to Medicare | 263 |
| Different services or procedures | 2 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Psychotherapy, 1 hour (90837)252 services
- Psychiatric diagnostic evaluation (90791)11 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).
- Anxiety71%
- High cholesterol68%
- High blood pressure59%
- Depression59%
- Arthritis44%
Practice locations
Addresses where Jacqueline R. Pfeifer is enrolled with Medicare (CMS data updated October 2, 2026).
- 3515 S 4th StLeavenworth, KS 66048
- 3515 S 4th St, Suite 101Leavenworth, KS 66048 (913) 651‑8415
Group practices
Medicare enrollment lists Jacqueline R. Pfeifer as a member of this group (CMS data updated October 2, 2026).
- Frederick J Tirrell PHD Professional Association4 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Leavenworth
Clinicians with the same Medicare primary specialty in Leavenworth, KS — not a recommendation.
Other clinicians in Frederick J Tirrell PHD Professional Association
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 1993 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1710082078 |
| 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