Doctor profile · Federal record

Dr. Matthew Greiner, P.A.

Surgical Physician Assistant · Physician Assistant · Knoxville, TN

  • NPI 1942238175
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2100 Clinch Ave Ste 430
Knoxville, TN 37916
(865) 541-2131
fax (877) 821-0891
Additional location
207 E Emory RD
Powell, TN 378494047
Mailing address
Po Box 15004
Knoxville, TN 379015004

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 20, 2020
Specialty taxonomy
363AS0400X — NUCC code
Medicaid
TN #1509512

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942238175. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$242
Transactions
10
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Genzyme Corporation 2 $53.97
AstraZeneca Pharmaceuticals Lp 1 $41.63
Axsome Therapeutics, INC. 1 $34.92
Qol Medical, LLC 1 $28.60
Abbvie INC. 2 $27.56
Medtronic, INC. 1 $21.23
Genentech USA, INC. 1 $17.98
Sandoz INC. 1 $16.45

By nature of payment

Food and Beverage
$242

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Greiner's medical specialty?
Dr. Matthew Greiner practices Surgical Physician Assistant in Knoxville, TN.
Where does Dr. Matthew Greiner practice?
Dr. Matthew Greiner practices at 2100 Clinch Ave Ste 430, Knoxville, TN 37916. Office phone: 8655412131.
What is Dr. Matthew Greiner's NPI?
Dr. Matthew Greiner's National Provider Identifier (NPI) is 1942238175, issued by NPPES.