DR. MASAYUKI KAZAHAYA (M.D.) – Ophthalmology Physician, NPI 1619974391

DR. MASAYUKI KAZAHAYA (M.D.) is a healthcare provider. based in Allentown, Pennsylvania. specializing in OPHTHALMOLOGY. They hold the professional credentials M.D.. They hold a License No. MD048976L (PA). The NPI Number for DR. MASAYUKI KAZAHAYA (M.D.) is 1619974391

Main info

Male
36 Years Of Experience
Accepts Medicare Assignment
Name
DR. MASAYUKI KAZAHAYA (M.D.)
NPI
1619974391
Phone
(610) 820-6320
Address
1251 S CEDAR CREST BLVD
Enumeration Date
7 July 2005
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
HAHNEMANN UNIVERSITY COLLEGE OF MEDICINE
Secondary Phone
6109697505
Graduation Year
1990 (36 years ago)
PAC ID
9638199300
Group Practice PAC ID
9638141989
Professional Enrollment ID
I20100622000291
Address ID
PA181036214AL1251XBLVD514
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

1,144 OPHTHALMOLOGY in PA

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Provider Addresses for DR. MASAYUKI KAZAHAYA (M.D.)

  • South Cedar Crest Boulevard, Bungalow Park, Cetronia, South Whitehall Township, Lehigh County, Pennsylvania, 18104, United States

    SUITE 300

    ALLENTOWN, PA 181036205

    Phone: (610) 820-6320

    Fax: (610) 820-8376

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 8 Open Payments records for all available years, with a total value of $263.

Total Amount is formed as General ($263) + Research ($0) + Ownership ($0) = $263.

Last reported payment date: 2024-11-11 • Largest payer in this snapshot: Alcon Vision LLC ($161).

Total Amount

$263

General + Research + Ownership

Payments

8

Total payment records

General Amount

$263

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-11

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2010-06-22

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20100622000291IOphthalmologyPATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
J2777Injection, faricimab-svoa, 0.1 mg17,29848$0
92134Imaging of retina4,6682,141$0
J0178Injection, aflibercept, 1 mg3,402342$0
67028Injection of drug into eye2,347560$0
92014Established patient complete exam of visual system2,0871,766$0
View full utilization report →

Insurance plans in this area (ZIP 18103)

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Provider's Procedures

DR. MASAYUKI KAZAHAYA (M.D.) performs procedures in OPHTHALMOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OPHTHALMOLOGYPA92012Eye and medical examination for diagnosis and treatment, established patient1444621
OPHTHALMOLOGYPA92134Diagnostic imaging of retina42261480

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 9638141989View full group profile
NameSpecialtyState
O P T O M E T R YPA
O P H T H A L M O L O G YPA
O P H T H A L M O L O G YNJ
O P H T H A L M O L O G YPA

Reviews

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Frequently asked questions

How is DR. MASAYUKI KAZAHAYA (M.D.) identified in CMS data?
CMS-hosted NPPES data lists DR. MASAYUKI KAZAHAYA (M.D.) with NPI 1619974391.
Is DR. MASAYUKI KAZAHAYA (M.D.) listed as active for patients and plans?
The listing shows DR. MASAYUKI KAZAHAYA (M.D.) as active in the NPI system.
What is DR. MASAYUKI KAZAHAYA (M.D.) best known for clinically?
Directory data describes DR. MASAYUKI KAZAHAYA (M.D.) with Ophthalmology Physician. Clinical services aligned with this taxonomy classification.
What area does DR. MASAYUKI KAZAHAYA (M.D.) serve?
DR. MASAYUKI KAZAHAYA (M.D.)'s listing highlights Allentown, Pennsylvania; more addresses can appear in NPPES.
Why does DR. MASAYUKI KAZAHAYA (M.D.) have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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