Physician

Masayuki Kazahaya, M.D.

According to 2025 Medicare claims, Masayuki Kazahaya, M.D. (NPI: 1619974391) practices ophthalmology in the Allentown-Bethlehem-Easton, PA-NJ market, with the plurality of this provider's patient population coming from Lehigh, PA. This provider's primary affiliated billing organization is LEHIGH RETINA SPECIALISTS, P.C. (NPI: 1437157161; TIN: 232847909) and primary practice location at 18103-6214. Kazahaya is affiliated with the Lehigh Valley Health Network Accountable Care Organization, LLC (ACO ID: A2735), participating under the MSSP model.

Kazahaya's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 2,292 traditional Medicare patients, billed 44,730 HCPCS/CPT codes, and received $3,886,703 in Medicare payments. The top billing code was J0178 (Injection, aflibercept, 1 mg). Part D data shows 374 prescription claims across 142 beneficiaries totaling $56,007 in drug costs, led by Restasis (Cyclosporine). Open Payments data shows 6 records totaling $214. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing has changed little. Concurrently, Part D prescription costs have fallen sharply in recent years, from $40,421 to $56,007. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.

Part B Carrier Billing Trend

Medicare payment trend, with N of patients and claim lines in the table.

Year	Patients	Clm Lines	Payment
2015	1,481	11,762	$2,515,479
2016	1,666	15,750	$3,215,995
2017	1,821	13,627	$2,943,003
2018	2,016	14,707	$3,265,294
2019	2,190	15,362	$3,364,204
2020	1,901	12,485	$2,880,507
2021	1,858	13,563	$3,216,358
2022	2,052	15,349	$3,407,108
2023	2,559	33,123	$3,742,829
2024	2,292	44,730	$3,886,703

Part D Events Trend

Drug cost trend, with N of patients and prescription claims in the table.

Year	Patients	Claims	Drug Cost
2015	135	376	$40,421
2016	150	416	$51,742
2017	111	388	$53,454
2018	169	493	$76,857
2019	186	486	$91,911
2020	170	471	$99,953
2021	173	409	$78,976
2022	122	254	$36,957
2023	130	283	$37,640
2024	142	374	$56,007

DME Billing Trend

Medicare payment trend, with N of patients and DME claim records in the table.

No connected DME records

* / # = suppressed by CMS; 0 = reported zero; N/R = not reported or blank.

Top 5 Part B carrier billing codes in 2024

By total payments.

Code	Description	Patients	Clm Lines	Total Payment
J0178	Injection, aflibercept, 1 mg	304	3,304	$654
67028	Injection of drug into eye	516	2,502	$84
92014	Established patient complete exam of visual system	1,715	2,070	$79
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	436	617	$57
92134	Imaging of retina	1,905	4,549	$27

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Restasis	Cyclosporine	11	870	$18,391
Ilevro	Nepafenac	12	749	$4,814
Prolensa	Bromfenac Sodium	13	662	$4,572
Prednisolone Acetate	Prednisolone Acetate	84	3,463	$4,077
Brimonidine Tartrate-Timolol	Brimonidine Tartrate/Timolol	28	1,243	$3,165

Top 5 DME services in 2024

No connected or detailed DME service-level records for 2024.

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	6	$214	Alcon Vision LLC
Research Payments	Reported research-related payment or transfer-of-value amount.	0	$0	N/R
Ownership / Investment Interests	Reported value of ownership or investment interests.	0	$0	N/R

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FAQ

What Medicare data is available for Masayuki Kazahaya, M.D.?

Tedicare shows public-source Medicare data for Masayuki Kazahaya, M.D. (NPI 1619974391), including provider identity, specialty, market context, Medicare Part B activity, Part D prescribing, DME records, Open Payments where available, billing organization details, and ACO affiliation signals where available. Profile data covers 2015-2024, with current attribution based on 2025 claims where available.

Does Masayuki Kazahaya, M.D. have ACO affiliation data?

Masayuki Kazahaya, M.D. is shown with ACO affiliation data for Lehigh Valley Health Network Accountable Care Organization, LLC (MSSP, ACO ID A2735).

What billing organization is linked to Masayuki Kazahaya, M.D.?

Masayuki Kazahaya, M.D. is linked to LEHIGH RETINA SPECIALISTS, P.C. (billing NPI 1437157161) in the available physician profile data.

Does Masayuki Kazahaya, M.D. have Open Payments data?

Masayuki Kazahaya, M.D. has 6 connected Open Payments records in the available 2024 summary data.

Can I download physician-level Medicare data from Tedicare?

Yes. Tedicare provides sample physician export data and paid custom physician data exports for research, planning, outreach, and market analysis. Exports can include physician profile fields, market and specialty context, billing organization details, ACO affiliation signals where available, and Medicare utilization data.