Doctor profile · Federal record

Dr. Tiffany Simpson, PMHNP-BC

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

  • NPI 1952946337
  • Accepts Medicare
  • 7 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
1923 Sulphur Springs RD
Morristown, TN 378135654

Credentials & registration

NPPES · NUCC
NPI registered
November 2019 — 7 yrs on file
Profile last updated
September 29, 2020
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Tennessee #26798

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952946337. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$271
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Otsuka America Pharmaceutical, Inc. 2 $243.64
Alkermes, Inc. 1 $13.65
ABBVIE INC. 1 $13.39

By nature of payment

Food and Beverage
$271

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,646
Patients
479
Total drug cost
$76,248
Drug Type Claims Patients Total cost
Buspirone Hcl Generic 310 53 $5,160
Quetiapine Fumarate Generic 291 36 $7,409
Trazodone Hcl Generic 286 59 $9,239
Aripiprazole Generic 228 44 $19,220
Hydroxyzine Hcl Generic 202 47 $7,240
Venlafaxine Hcl Er (Venlafaxine Hcl) Brand 191 23 $3,839
Bupropion Xl (Bupropion Hcl) Brand 171 34 $5,121
Lamotrigine Generic 160 31 $2,656
Duloxetine Hcl Generic 148 25 $5,242
Escitalopram Oxalate Generic 127 27 $1,181

Frequently asked questions

Auto-generated from federal data
What is Dr. Tiffany Simpson's medical specialty?
Dr. Tiffany Simpson practices Psychiatric/Mental Health Nurse Practitioner in Knoxville, TN.
Where does Dr. Tiffany Simpson practice?
Dr. Tiffany Simpson practices at 2018 Western Ave, Knoxville, TN 379215718. Office phone: 8655440406.
What is Dr. Tiffany Simpson's NPI?
Dr. Tiffany Simpson's National Provider Identifier (NPI) is 1952946337, issued by NPPES.
Does Dr. Tiffany Simpson accept Medicare assignment?
Yes. Dr. Tiffany Simpson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.