Individual provider Active NPI

Saif Ul Islam, MD

  • Family Medicine Physician
  • Allentown, PA
National Provider Identifier
1689372740
Registry record updated Nov 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
MT235177 Issued in PA
Practice address
450 Chew St
Allentown, PA 18102-3434
Phone
(484) 834-5217
NPI assigned
Feb 20, 2023
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 29, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X MT235177 PA Primary

Addresses

Primary practice location

450 Chew St
Allentown, PA 18102-3434

Mailing address

1862 Sunset Dr
Whitehall, PA 18052-4125
Phone (484) 834-5217

Other practice location 1

801 Ostrum St
Bethlehem, PA 18015-1000
Phone (484) 834-5217

Other practice location 2

451 Chew St
Allentown, PA 18102-3472
Phone (484) 834-5217

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MT235177PAMDFamily Medicine Physician

NPI Registry JSON

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

{
    "created_epoch": "1676851200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764374400000",
    "number": "1689372740",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1862 SUNSET DR",
            "city": "WHITEHALL",
            "state": "PA",
            "postal_code": "180524125",
            "telephone_number": "484-834-5217"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "450 CHEW ST",
            "city": "ALLENTOWN",
            "state": "PA",
            "postal_code": "181023434",
            "telephone_number": "484-834-5217"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "801 Ostrum St",
            "address_purpose": "LOCATION",
            "city": "Bethlehem",
            "state": "PA",
            "postal_code": "180151000",
            "country_code": "US",
            "telephone_number": "484-834-5217",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "451 Chew St",
            "address_purpose": "LOCATION",
            "city": "Allentown",
            "state": "PA",
            "postal_code": "181023472",
            "country_code": "US",
            "telephone_number": "484-834-5217",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ISLAM",
        "first_name": "SAIF",
        "middle_name": "UL",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-02-20",
        "last_updated": "2025-11-29",
        "certification_date": "2025-11-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "PA",
            "license": "MT235177",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Allentown, PA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 29, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.