What is Gary Gershony's specialty?

Gary Gershony (NPI 1821095134) is a Medicare-billing provider whose primary specialty is Interventional Cardiology in Concord, CA.

Where does Gary Gershony practice?

Gary Gershony practices in Concord, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1821095134.

How much does Medicare pay Gary Gershony?

Gary Gershony (NPI 1821095134) received approximately $206 in total Medicare Part B payments, serving 17 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1821095134

Gary GershonyM.D.

PRACTICEJOHN MUIR HEALTHSee all providers at this practice →

Interventional CardiologyConcord, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$139

Peer benchmark

Total Medicare services vs. 324 Interventional Cardiology providers in CA — bottom quintile (cohort median 2,656).

PRESCRIBING · PART D · 2024

Total Rx claims

211

Beneficiaries

—

Total drug cost

$36K

Distinct drugs

Brand share

14.2%

Top prescribed drugs

Atorvastatin Calcium31 claims

Apixaban30 claims

Spironolactone29 claims

Metoprolol Succinate25 claims

Lisinopril20 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 Gary Gershony'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). 86 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Angelo Crudale Diagnostic Radiology · Walnut Creek, CA	92	112
Jonathan Posin Diagnostic Radiology · Walnut Creek, CA	86	133
Amy Lai Diagnostic Radiology · New York, NY	76	107
Susan Cha Diagnostic Radiology · Walnut Creek, CA	68	84
Mark Tu Diagnostic Radiology · Walnut Creek, CA	66	81
Kimberly Blumberg Diagnostic Radiology · Walnut Creek, CA	66	95
Eric Chen Interventional Radiology · Los Angeles, CA	53	65
David Soohoo Emergency Medicine · Walnut Creek, CA	50	71
Eric Kenley Emergency Medicine · San Jose, CA	49	72
TIGHE, THOMAS	47	74
Andrew Dublin Interventional Cardiology · Walnut Creek, CA	45	103
SCHICK, ROBERT	45	56

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