Doctor profile · Federal record

Dr. Gregory Pierson, MD

Emergency Medicine Physician · Warren, PA

  • NPI 1578552873
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2 Crescent Park West
Warren, PA 163652111
(814) 723-2510
fax (814) 723-4654

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
May 21, 2013
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Pennsylvania #MD046966L
Medicaid
PA #007034495

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578552873. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
254
Distinct HCPCS
3
Medicare allowed
$40,567
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 158 144 $168
99284 Emergency department visit with moderate level of medical decision making 64 58 $116
99291 Critical care, first 30-74 minutes 32 31 $207

In context: peer comparison

Among 4 peers in Warren Emergency Medicine Physician, average services per provider: 96. This provider delivers 2.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
60
Patients
59
Total drug cost
$231
Drug Type Claims Patients Total cost
Cephalexin Generic 26 25 $100
Prednisone Generic 21 21 $60
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 13 $72

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Pierson's medical specialty?
Dr. Gregory Pierson practices Emergency Medicine Physician in Warren, PA.
Where does Dr. Gregory Pierson practice?
Dr. Gregory Pierson practices at 2 Crescent Park West, Warren, PA 163652111. Office phone: 8147232510.
What is Dr. Gregory Pierson's NPI?
Dr. Gregory Pierson's National Provider Identifier (NPI) is 1578552873, issued by NPPES.
What procedures does Dr. Gregory Pierson commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.