Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MASAYUKI KAZAHAYA M.D.
NPI 1619974391
Ophthalmology in Allentown, PA

Q: What is Masayuki Kazahaya's NPI number?

The NPI number for Masayuki Kazahaya is 1619974391. It was assigned to this individual provider in the NPPES registry on July 7, 2005.

Q: What is Masayuki Kazahaya's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for Masayuki Kazahaya was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 07, 2005PECOS EnrolledAccepts Medicare Assignment

1251 S CEDAR CREST BLVD, SUITE 300, ALLENTOWN, PA 18103(610) 820-6320(610) 820-8376 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

On this page

About Dr. Masayuki Kazahaya M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MASAYUKI KAZAHAYA M.D. (NPI 1619974391) is an individual ophthalmology provider in Allentown, Pennsylvania, licensed in Pennsylvania (MD048976L) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and is a graduate of Hahnemann University College Of Medicine (1990).

NPPES Registry Identity

NPI1619974391

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameDR. MASAYUKI KAZAHAYACredential: M.D.

Location Address1251 S CEDAR CREST BLVD, SUITE 300Allentown, PA 18103-6205

Mailing Address1251 S Cedar Crest Blvd, Suite 300Allentown, PA 18103-6205 · (610) 820-6320 · Fax (610) 820-8376

Phone(610) 820-6320

Fax(610) 820-8376

Sole ProprietorNo

Medical School CMSHahnemann University College Of MedicineGraduated 1990

Enumeration DateJuly 7, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1619974391 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in PA · MD048976L

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

1251 S CEDAR CREST BLVD, Allentown, PA 18103

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Other Identifiers 1

Medicaid0015899110002PA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Masayuki Kazahaya M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9638199300

PECOS Enrollment IDI20100622000291

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 16

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, faricimab-svoa, 0.1 mg J2777

Faricimab-svoa is a medication given through an injection into the eye to treat certain eye conditions. The 0.1 mg dosage helps control disease progression, improving vision and eye health. The procedure is done by a healthcare professional.

28,860 services67 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

4,549 services1,905 patients

Injection, aflibercept, 1 mg J0178

Aflibercept injection is a treatment for certain eye conditions that affect vision. It works by blocking abnormal blood vessel growth and leakage in the eye, which can cause vision loss. The medication is administered directly into the eye by a healthcare professional.

3,304 services304 patients

Injection of drug into eye 67028

An injection into the eye is a procedure where a medication is delivered directly into your eye to treat various conditions. A local anesthetic is applied to numb the eye, ensuring minimal discomfort. The drug helps manage diseases like macular degeneration or diabetic retinopathy.

2,502 services516 patients

Established patient complete exam of visual system 92014

An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.

2,070 services1,715 patients

Compounded drug, not otherwise classified J7999

A compounded drug is a personalized medication created to meet unique patient needs. If you can't take standard drugs due to allergies or need a specific dosage not commercially available, a pharmacist can mix ingredients to make a drug specifically for you.

669 services126 patients

Injection, ranibizumab, 0.1 mg J2778

Ranibizumab is a medication given via injection to treat certain eye conditions like age-related macular degeneration. It works by slowing vision loss and in some cases, improving vision by blocking abnormal blood vessel growth in the eye.

645 services26 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

617 services436 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

246 services203 patients

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

218 services217 patients

Destruction of growth of retina using a laser 67210

This procedure involves using a precise laser to target and remove abnormal growths on the retina, the thin layer at the back of the eye. It's a safe and effective way to protect your vision and prevent further eye damage.

35 services22 patients

New patient complete exam of visual system 92004

A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.

31 services31 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

22 services22 patients

Removal of membrane of retina with removal of internal limiting membrane of retina 67042

This procedure involves the surgical removal of a thin layer, called the membrane, from the retina. It also includes the removal of the innermost layer of the retina, known as the internal limiting membrane. This can help improve vision.

21 services21 patients

2d ultrasound scan of eye tissue and structures 76512

A 2D ultrasound scan of eye tissue and structures is a non-invasive procedure that uses sound waves to create images of your eye. It helps doctors to examine your eye's internal structures, detect abnormalities, and plan for treatments if needed.

17 services16 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 18103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.34 typical visit price

range $54.64 – $166.87

Typical copayment $31.58 (range $13.66 – $41.71)

Most-billed visit code 99204

Established Patient

$68.36 typical visit price

range $17.33 – $135.84

Typical copayment $17.09 (range $4.33 – $33.96)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ANKUR JOHRI DDS, MD

Oral & Maxillofacial Surgery

1251 S CEDAR CREST BLVD, SUITE 311
ALLENTOWN, PA 18103

Lehigh County (610) 821-9588

LIU AND ASSOCIATES FAMILY MEDICINE, LLC

Family Medicine

1251 S CEDAR CREST BLVD, SUITE 102A
ALLENTOWN, PA 18103

Lehigh County (610) 776-0377

DR. ANN MARIE LAM M.D.

Family Medicine

1251 S CEDAR CREST BLVD, SUITE 102 A
ALLENTOWN, PA 18103

Lehigh County (610) 402-3940

DR. JOEL MICHEAL GLICKMAN D.M.D.

Dentist (Endodontics)

1251 S CEDAR CREST BLVD, STE 111C
ALLENTOWN, PA 18103

Lehigh County (610) 432-1218

CEDAR CREST ENT ASSOCIATES P.C.

Otolaryngology (Plastic Surgery within the Head & Neck)

1251 S CEDAR CREST BLVD, SUITE 100
ALLENTOWN, PA 18103

Lehigh County (610) 770-9797

WILLIAM A. TUFFIASH, MD, P.C.

Allergy & Immunology

1251 S CEDAR CREST BLVD, SUITE 107C
ALLENTOWN, PA 18103

Lehigh County (610) 439-8171

WILLIAM MICHAEL MCLAUGHLIN JR. DO

Ophthalmology

1251 S CEDAR CREST BLVD, SUITE 307
ALLENTOWN, PA 18103

Lehigh County (610) 820-6320

DR. J VICTOR EHRENS DMD

Dentist (Oral and Maxillofacial Surgery)

1251 S CEDAR CREST BLVD, SUITE 311
ALLENTOWN, PA 18103

Lehigh County (610) 435-6161

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Masayuki Kazahaya's NPI number?

The NPI number for Masayuki Kazahaya is 1619974391. It was assigned to this individual provider in the NPPES registry on July 7, 2005.

Where is Masayuki Kazahaya located?

Masayuki Kazahaya practices at 1251 S Cedar Crest Blvd Suite 300, Allentown, PA 18103. The listed phone number is (610) 820-6320.

What is Masayuki Kazahaya's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Masayuki Kazahaya enrolled in Medicare?

Yes. Masayuki Kazahaya is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Masayuki Kazahaya was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.