Doctor profile · Federal record

Dr. Jason Flassing, PA-C

Physician Assistant · Physician Assistant · Greer, SC

  • NPI 1912145970
  • 17 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2700 E Phillips RD
Greer, SC 296504815
(864) 235-2335

Credentials & registration

NPPES · NUCC
NPI registered
January 2009 — 17 yrs on file
Profile last updated
February 18, 2014
Specialty taxonomy
363A00000X — NUCC code
State licenses (2)
South Carolina #1901 · Virginia #0110002948

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912145970. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,529
Transactions
11
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 6 $1,453.04
Takeda Pharmaceuticals U.S.A., Inc. 3 $48.51
Otsuka America Pharmaceutical, Inc. 1 $13.82
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 1 $13.47

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$1,375
Food and Beverage
$154

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,952
Patients
272
Total drug cost
$39,344
Drug Type Claims Patients Total cost
Clonazepam Generic 339 39 $3,632
Alprazolam Generic 245 27 $1,724
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 163 20 $8,394
Trazodone Hcl Generic 157 28 $1,331
Duloxetine Hcl Generic 147 18 $3,815
Gabapentin Generic 117 13 $1,911
Escitalopram Oxalate Generic 115 18 $913
Desvenlafaxine Succinate Er (Desvenlafaxine Succinate) Brand 96 17 $3,663
Quetiapine Fumarate Generic 94 17 $1,637
Buspirone Hcl Generic 91 17 $1,070

Frequently asked questions

Auto-generated from federal data
What is Dr. Jason Flassing's medical specialty?
Dr. Jason Flassing practices Physician Assistant in Greer, SC.
Where does Dr. Jason Flassing practice?
Dr. Jason Flassing practices at 2700 E Phillips RD, Greer, SC 296504815. Office phone: 8642352335.
What is Dr. Jason Flassing's NPI?
Dr. Jason Flassing's National Provider Identifier (NPI) is 1912145970, issued by NPPES.