Syed Saif Zahir, D.O.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

036148353 Issued in IL

Practice address

20201 Crawford Ave
Olympia Fields, IL 60461-1010

Phone

(844) 740-4445

Fax

(708) 679-2161

NPI assigned

Apr 13, 2015

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 4

Addresses

Other identifiers 1

Other names 1

• Saif Syed Zahir Former name

Electronic endpoints 5

Medicare fee-for-service enrollment

Enrolled in IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ssyed@directaddress.net
• Direct secure messaging: szahir592352@direct.franciscanalliance.org
• Direct secure messaging: szahir51454@sih.direct-ci.com

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.

• Hospitalist Physicians of Illinois, P.C.

  • Hospitalist Physician
  • Harvey, IL
  • NPI 1396347761

  Internal Medicine

  Medicare reassignment NPD
• Southern Illinois Medical Services, NFP

  • Internal Medicine Physician
  • Carbondale, IL
  • NPI 1770656837
  Medicare reassignment NPD

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

{
    "created_epoch": "1428883200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750636800000",
    "number": "1649666900",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "35318 EAGLE WAY",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606781353",
            "telephone_number": "317-528-4800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20201 CRAWFORD AVE",
            "city": "OLYMPIA FIELDS",
            "state": "IL",
            "postal_code": "604611010",
            "telephone_number": "844-740-4445",
            "fax_number": "708-679-2161"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Ingalls Dr",
            "address_purpose": "LOCATION",
            "city": "Harvey",
            "state": "IL",
            "postal_code": "604263558",
            "country_code": "US",
            "telephone_number": "708-333-2300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "201 S 14th St",
            "address_purpose": "LOCATION",
            "city": "Herrin",
            "state": "IL",
            "postal_code": "629483631",
            "country_code": "US",
            "telephone_number": "618-942-2171",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2 S Hospital Dr",
            "address_purpose": "LOCATION",
            "city": "Murphysboro",
            "state": "IL",
            "postal_code": "629663333",
            "country_code": "US",
            "telephone_number": "618-684-3156",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "405 W Jackson St",
            "address_purpose": "LOCATION",
            "city": "Carbondale",
            "state": "IL",
            "postal_code": "629011462",
            "country_code": "US",
            "telephone_number": "618-549-0721",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "911 Bypass Rd Bldg A",
            "address_purpose": "LOCATION",
            "city": "Pikeville",
            "state": "KY",
            "postal_code": "415011689",
            "country_code": "US",
            "telephone_number": "606-218-3500",
            "fax_number": "606-218-4697",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1000 Health Center Dr",
            "address_purpose": "LOCATION",
            "city": "Mattoon",
            "state": "IL",
            "postal_code": "619384644",
            "country_code": "US",
            "telephone_number": "217-238-4325",
            "fax_number": "217-348-4290",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4500 Memorial Dr",
            "address_purpose": "LOCATION",
            "city": "Belleville",
            "state": "IL",
            "postal_code": "622265360",
            "country_code": "US",
            "telephone_number": "618-257-6220",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZAHIR",
        "first_name": "SYED",
        "middle_name": "SAIF",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-04-13",
        "last_updated": "2025-06-23",
        "certification_date": "2025-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "KY",
            "license": "04430",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036148353",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "KY",
            "license": "04430",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036148353",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7100550130",
            "state": "KY"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "szahir51454@sih.direct-ci.com",
            "affiliation": "N",
            "address_1": "405 W Jackson St",
            "city": "Carbondale",
            "state": "IL",
            "country_code": "US",
            "postal_code": "629011462",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "szahir51454@sih.direct-ci.com",
            "affiliation": "N",
            "address_1": "2 S Hospital Dr",
            "city": "Murphysboro",
            "state": "IL",
            "country_code": "US",
            "postal_code": "629663333",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "szahir592352@Direct.FranciscanAlliance.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "20201 Crawford Ave",
            "city": "Olympia Fields",
            "state": "IL",
            "country_code": "US",
            "postal_code": "604611010",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "szahir51454@sih.direct-ci.com",
            "affiliation": "N",
            "address_1": "201 S 14th St",
            "city": "Herrin",
            "state": "IL",
            "country_code": "US",
            "postal_code": "629483631",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "endpointDescription": "BJC",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "4500 Memorial Dr",
            "city": "Belleville",
            "state": "IL",
            "country_code": "US",
            "postal_code": "622265360",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "SAIF",
            "last_name": "ZAHIR",
            "middle_name": "SYED",
            "credential": "DO",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Jack C Yi, D.D.S.
• Hsinyu Yin
• James E Young III, NURSE PRACTITIONER
• Your Best Behavior , LLC
• Alireza Zadsalamat, DO
• Frhaan Zahrawi
• Joseph John Zanghi, D.O.
• Nicholas John Zanghi
• Linda Zapchenk, FNP
• Richard Zembol, RPH

• Internal Medicine Physician in Olympia Fields, IL
• Providers in Olympia Fields, IL by specialty
• Internal Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.