Gregory G. Pierson, MD
Emergency Medicine Physician · Warren, PA
Gregory G. Pierson, MD is an emergency medicine physician with a practice address in Warren, Pennsylvania, and NPI 1578552873, issued on Oct 19, 2005. Check the license (Pennsylvania MD046966L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Gregory G. Pierson
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD046966L PA
Self-reported in NPPES; status is on the state search - Practice location
- 2 Crescent Park West, Warren, PA 16365
- Phone
- (814) 723-2510
- Enumerated
- Oct 19, 2005
- Record last updated
- May 21, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (814) 723-4654
- Medicaid ID
- 007034495 PA
- Entity
- Type 1 · individual
Also registered at 2 Crescent Park West
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melissa Carter, DOEmergency Medicine Physician1396831731
- Nicole Clark, M.S. R.D.Registered Dietitian1720312820
- Michael Faulk, MDEmergency Medicine Physician1780899567
- Kamie Repine, CRNPNurse Practitioner1699771139
- Andrea Shene, ATCAthletic Trainer1417092917
- Jessica Shepherd, DOEmergency Medicine Physician1528276128
Verify Gregory G. Pierson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD046966LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average emergency medicine physician in 2024
98 Medicare Part D claims for 75 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone18 claims
- Amoxicillin-Clavulanate Potass17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
10 emergency medicine physician records list a practice address in Warren
They are 10 of the 314 NPPES records with a practice address in Warren, and 3,911 emergency medicine physician records in Pennsylvania.
All 10 in Warren → All 3,911 in Pennsylvania → Every provider in Warren →
Other emergency medicine physician records in Pennsylvania
- Nicole Abate, MDPhila, PA1447208939
- Osman AbbasiBethlehem, PA1437569019
- Michael Abboud, MDPhiladelphia, PA1962820852
- Stephanie Abbuhl, MDPhiladelphia, PA1649215195
- Rehab Abdel-Kariem, M.D.Philadelphia, PA1508008434
- Amir Abdulhay, DOPhiladelphia, PA1124689674
- Michael Abesamis, M.D.Pittsburgh, PA1467647958
- Aliza Abezis, MDPhiladelphia, PA1215786017
- Abia Abia, MDPhiladelphia, PA1295279818
- Alison Abiri, MDPittsburgh, PA1689685661
Common questions
What is Gregory G. Pierson, MD's NPI number?
Gregory G. Pierson, MD's National Provider Identifier (NPI) is 1578552873, issued on Oct 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory G. Pierson, MD located?
The NPPES record lists a practice address at 2 Crescent Park West, Warren, PA, 16365. Phone: (814) 723-2510. Providers update this record themselves, so call before visiting.
How can I verify Gregory G. Pierson, MD's license?
NPPES lists Pennsylvania license number MD046966L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory G. Pierson, MD prescribe under Medicare Part D?
In 2024, Gregory G. Pierson, MD had 98 Medicare Part D claims for 75 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.