Quick answers
- Does Regan C. Christenson accept Medicare assignment?
- Yes. Medicare's clinician data says Regan C. Christenson 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 Regan C. Christenson see?
- In 2024, CMS data shows 28 Original Medicare patients and 198 services for Regan C. Christenson. This counts Original Medicare only and measures volume, not quality.
- What is Regan C. Christenson's NPI number?
- 1548491798. 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 Regan C. Christenson, 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 | 28 |
|---|---|
| Services billed to Medicare | 198 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)79 services
- Psychotherapy with evaluation and management visit, 30 minutes (90833)74 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)38 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%
- Depression75%
- Anxiety75%
- High blood pressure54%
- Arthritis46%
Practice locations
Addresses where Regan C. Christenson is enrolled with Medicare (CMS data updated October 2, 2026).
- 4428 Sutherland AveKnoxville, TN 37919 (865) 588‑6425
Group practices
Medicare enrollment lists Regan C. Christenson as a member of this group (CMS data updated October 2, 2026).
- Sutherland Psychiatry PLLC2 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Knoxville
Clinicians with the same Medicare primary specialty in Knoxville, TN — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| School | University Of Tennessee, Hsc, College Of Medicine |
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1548491798 |
| 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