What is Gregory Stiefel's specialty?

Gregory Stiefel (NPI 1649267881) is a Medicare-billing provider whose primary specialty is Family Practice in Mullica Hill, NJ.

Where does Gregory Stiefel practice?

Gregory Stiefel practices in Mullica Hill, NJ, based on the location reported in the CMS Medicare provider datasets for NPI 1649267881.

How much does Medicare pay Gregory Stiefel?

Gregory Stiefel (NPI 1649267881) received approximately $199K in total Medicare Part B payments, serving 441 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1649267881

Gregory StiefelD.O.

Family PracticeMullica Hill, NJI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,933

Unique beneficiaries

—

Total services

2,541

Distinct HCPCS

Medicare payment

$197K

Peer benchmark

Total Medicare services vs. 1,769 Family Practice providers in NJ — top quintile (cohort median 715).

PRESCRIBING · PART D · 2024

Total Rx claims

7,130

Beneficiaries

—

Total drug cost

$484K

Distinct drugs

Brand share

10.9%

Top prescribed drugs

Amlodipine Besylate526 claims

Atorvastatin Calcium482 claims

Lisinopril443 claims

Rosuvastatin Calcium434 claims

Hydrochlorothiazide287 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Gregory Stiefel'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). 24 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
INSPIRA MEDICAL CENTERS, INC.	226	1,226
INSPIRA MEDICAL CENTER WOODBURY, INC.	182	819
INSPIRA MEDICAL CENTERS, INC.	141	484
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	97	287
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	48	122
DICKSTEIN, RICHARD	40	126
Michael Villani Diagnostic Radiology · Vineland, NJ	36	107
GOMBERG, JACQUELINE	35	91
SPIVAK, MICHAEL	33	66
Mitchell Rosenberg Cardiology · Haddon Heights, NJ	24	45
Steven Datorre Clinical Cardiac Electrophysiology · Haddon Heights, NJ	22	79
Albert Belli Pulmonary Disease · Hammonton, NJ	19	128

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