Doctor profile · Federal record

Dr. Regan Christenson, APN

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Knoxville, TN

  • NPI 1548491798
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2018 Western Ave
Knoxville, TN 379215718
(865) 544-0406
fax (865) 544-0480
Mailing address
6350 W Andrew Johnson Hwy
Talbott, TN 378778605

Credentials & registration

NPPES · NUCC
NPI registered
August 2009 — 17 yrs on file
Profile last updated
September 14, 2018
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State licenses (2)
Tennessee #16542 · Tennessee #RN170951

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548491798. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,057
Transactions
60
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Teva Pharmaceuticals USA, Inc. 9 $176.17
Takeda Pharmaceuticals U.S.A., Inc. 11 $154.50
Otsuka America Pharmaceutical, Inc. 10 $139.65
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 8 $134.06
Tris Pharma Inc 4 $80.90
Neurocrine Biosciences, Inc. 3 $74.03
Axsome Therapeutics, Inc. 3 $57.02
Alkermes, Inc. 2 $38.54
Janssen Pharmaceuticals, Inc 2 $35.36
Lundbeck LLC 1 $33.47
Corium, LLC 2 $31.68
IRONSHORE PHARMACEUTICALS INC. 2 $30.54
Vanda Pharmaceuticals Inc. 1 $27.99
Almatica Pharma LLC 1 $21.79
ABBVIE INC. 1 $21.36

By nature of payment

Food and Beverage
$1,057

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
29
Patients
0
Total drug cost
$510
Drug Type Claims Patients Total cost
Gabapentin Generic 17 0 $459
Clonazepam Generic 12 0 $51

Frequently asked questions

Auto-generated from federal data
What is Dr. Regan Christenson's medical specialty?
Dr. Regan Christenson practices Psychiatric/Mental Health Nurse Practitioner in Knoxville, TN.
Where does Dr. Regan Christenson practice?
Dr. Regan Christenson practices at 2018 Western Ave, Knoxville, TN 379215718. Office phone: 8655440406.
What is Dr. Regan Christenson's NPI?
Dr. Regan Christenson's National Provider Identifier (NPI) is 1548491798, issued by NPPES.
Does Dr. Regan Christenson accept Medicare assignment?
Yes. Dr. Regan Christenson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.