Individual provider Active NPI

Masayuki Kazahaya, M.D.

  • Ophthalmology Physician
  • Allentown, PA
National Provider Identifier
1619974391
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
MD048976L Issued in PA
Practice address
1251 S Cedar Crest Blvd
Suite 300
Allentown, PA 18103-6205
Phone
(610) 820-6320
Fax
(610) 820-8376
NPI assigned
Jul 7, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology Physician 207W00000X MD048976L PA Primary

Addresses

Primary practice location

1251 S Cedar Crest Blvd
Suite 300
Allentown, PA 18103-6205

Mailing address

1251 S Cedar Crest Blvd
Suite 300
Allentown, PA 18103-6205
Phone (610) 820-6320

Other identifiers 1

IdentifierTypeStateIssuer
0015899110002MedicaidPA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100622000291 PA Practitioner - Ophthalmology 9638199300 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
Hahnemann University College of Medicine, 1990
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Lehigh Retina Specialists, P.C.Group PAC ID 9638141989, 5 clinicians

Practice addresses (Care Compare)

1251 S Cedar Crest Blvd
Suite 307
Allentown, PA 18103-6214
Phone (610) 969-7505

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD048976LPAMDOphthalmology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Lehigh Retina Specialists, P.C. Ophthalmology CurrentSince Aug 12, 1995 Accepting new patients
Lehigh Valley Physician Group CurrentSince Jul 9, 2017 Accepting new patients
Lehigh Valley Physician Group CurrentSince Jul 9, 2017 Accepting new patients
Lehigh Valley Physician Group Current Accepting new patients
Advanced Dry Eye and Aesthetics Center PC PastSince Aug 12, 1995 Accepting new patients

Locations

1251 S Cedar Crest Blvd
Ste 300
Allentown, PA 18103
Phone (610) 820-6320

2100 Mack Blvd
Fl 4
Allentown, PA 18103

401 N 17th St
Ste 103
Allentown, PA 18104
Phone (610) 821-9454

1251 S Cedar Crest Blvd
Ste 307
Allentown, PA 18103
Phone (610) 820-6320

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1120694400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1619974391",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1251 S CEDAR CREST BLVD",
            "address_2": "SUITE 300",
            "city": "ALLENTOWN",
            "state": "PA",
            "postal_code": "181036205",
            "telephone_number": "610-820-6320",
            "fax_number": "610-820-8376"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1251 S CEDAR CREST BLVD",
            "address_2": "SUITE 300",
            "city": "ALLENTOWN",
            "state": "PA",
            "postal_code": "181036205",
            "telephone_number": "610-820-6320",
            "fax_number": "610-820-8376"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KAZAHAYA",
        "first_name": "MASAYUKI",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-07",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "PA",
            "license": "MD048976L",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0015899110002",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Allentown, PA

Sources for this page

Verify at the official NPI Registry.