What is Mark Koshar's specialty?

Mark Koshar (NPI 1538161963) is a Medicare-billing provider whose primary specialty is Internal Medicine in Easton, PA.

Where does Mark Koshar practice?

Mark Koshar practices in Easton, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1538161963.

How much does Medicare pay Mark Koshar?

Mark Koshar (NPI 1538161963) received approximately $252K in total Medicare Part B payments, serving 510 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1538161963

Mark KosharM.D.

PRACTICENORTHAMPTON HOSPITAL CORPORATIONSee all providers at this practice →

Internal MedicineEaston, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,911

Unique beneficiaries

—

Total services

5,846

Distinct HCPCS

Medicare payment

$244K

Peer benchmark

Total Medicare services vs. 4,434 Internal Medicine providers in PA — top quintile (cohort median 550).

PRESCRIBING · PART D · 2024

Total Rx claims

10,790

Beneficiaries

—

Total drug cost

$880K

Distinct drugs

144

Brand share

17.7%

Top prescribed drugs

Amlodipine Besylate806 claims

Atorvastatin Calcium726 claims

Levothyroxine Sodium510 claims

Simvastatin502 claims

Losartan Potassium373 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$153

Payment records

By payment type

Food and Beverage$153

Top paying entities

Food and Beverage$153

REFERRAL NETWORK

Where Mark Koshar'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). 22 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	80	155
ST LUKES HOSPITAL-ANDERSON CAMPUS	62	195
CH HOSPITAL OF ALLENTOWN, LLC	45	162
ST LUKES HOSPITAL	36	110
Gabrielle Schoeppner Ophthalmology · Easton, PA	28	77
Koroush Khalighi Cardiology · Dayton, OH	28	107
Pramila Gupta Internal Medicine · Easton, PA	20	37
Venkata Marella Urology · Clifton, NJ	20	70
Rajeev Rohatgi Cardiology · Easton, PA	19	61
SCHIAVONE, JOSEPH	17	47
PATEL, CHANDULAL	17	35
Frederick Meoli Diagnostic Radiology · Warren, MI	16	34

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