What is Masayuki Kazahaya's specialty?

Masayuki Kazahaya (NPI 1619974391) is a Medicare-billing provider whose primary specialty is Ophthalmology in Allentown, PA.

Where does Masayuki Kazahaya practice?

Masayuki Kazahaya practices in Allentown, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1619974391.

How much does Medicare pay Masayuki Kazahaya?

Masayuki Kazahaya (NPI 1619974391) received approximately $3.9M in total Medicare Part B payments, serving 2,292 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1619974391

Masayuki KazahayaM.D.

OphthalmologyAllentown, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,675

Unique beneficiaries

—

Total services

44,437

Distinct HCPCS

Medicare payment

$3.8M

Peer benchmark

Total Medicare services vs. 810 Ophthalmology providers in PA — top quintile (cohort median 1,854).

PRESCRIBING · PART D · 2024

Total Rx claims

280

Beneficiaries

—

Total drug cost

$38K

Distinct drugs

Brand share

31.4%

Top prescribed drugs

Prednisolone Acetate84 claims

Brimonidine Tartrate43 claims

Ketorolac Tromethamine31 claims

Brimonidine Tartrate/Timolol28 claims

Latanoprost20 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$214

Payment records

By payment type

Food and Beverage$214

Top paying entities

Food and Beverage$214

REFERRAL NETWORK

Where Masayuki Kazahaya'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). 28 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
LEHIGH VALLEY HOSPITAL	198	402
David De Rose Ophthalmology · Allentown, PA	122	250
ST LUKES HOSPITAL	121	271
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	78	150
Sltlbk Associates, Llc Ambulatory Surgical Center · Bethlehem, PA	55	113
CH HOSPITAL OF ALLENTOWN, LLC	52	112
Julie Mclaughlin Optometry · Allentown, PA	26	41
Charles Peters Cardiology · Wilkes-Barre, PA	22	33
Randy Smargiassi Podiatry · Reading, PA	20	33
ST LUKES HOSPITAL-ANDERSON CAMPUS	19	49
Christopher Brown Diagnostic Radiology · Allentown, PA	19	20
GOOD SHEPHERD REHABILITATION HOSPITAL	18	30

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