What is Gregory Pierson's specialty?

Gregory Pierson (NPI 1578552873) is a Medicare-billing provider whose primary specialty is Emergency Medicine in Warren, PA.

Where does Gregory Pierson practice?

Gregory Pierson practices in Warren, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1578552873.

How much does Medicare pay Gregory Pierson?

Gregory Pierson (NPI 1578552873) received approximately $27K in total Medicare Part B payments, serving 210 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1578552873

Gregory PiersonMD

PRACTICEGROUP MEDICAL SERVICESSee all providers at this practice →

Emergency MedicineWarren, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

214

Unique beneficiaries

—

Total services

239

Distinct HCPCS

Medicare payment

$27K

Peer benchmark

Total Medicare services vs. 2,759 Emergency Medicine providers in PA — below median (cohort median 310).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$139

Distinct drugs

Brand share

48.6%

Top prescribed drugs

Prednisone18 claims

Amoxicillin/Potassium Clav17 claims

QUALITY · MIPS · 2024

Final MIPS score

83.7

Quality

78.4

Cost

79.5

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.37%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Gregory Pierson's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 38 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Emergycare, Inc Ambulance Service Provider · Erie, PA	87	206
Gina Gazdak Nurse Practitioner · Greenhurst, NY	70	105
City Of Warren Ambulance Service Provider · Warren, PA	65	135
Christopher Sidden Diagnostic Radiology · Newark, DE	59	139
Hobart Carr Hospitalist · Meadville, PA	49	119
NPI 1205835923	44	141
UPMC HAMOT	38	94
Kenneth Williams Family Practice · Warren, PA	37	136
Jay Endres Family Practice · Warren, PA	36	123
Larry Sarginger Family Practice · Kane, PA	36	117
KAUSHIK, MANU	36	57
Youngsville Vfd Ambulance Ambulance Service Provider · Youngsville, PA	35	60

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events