Arthur Oscar Sieron, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

4351051111 Issued in MI

Practice address

1000 Houghton Avenue
Saginaw, MI 48602

Phone

(989) 746-7500

NPI assigned

Jun 30, 2023

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Electronic endpoints 4

Medicare fee-for-service enrollment

Enrolled in MI

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

Specialty

Emergency Medicine

Education

Other, 2023

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1688083200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785801600000",
    "number": "1477230555",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 HOUGHTON AVE",
            "city": "SAGINAW",
            "state": "MI",
            "postal_code": "486025303",
            "telephone_number": "989-746-7500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 HOUGHTON AVENUE",
            "city": "SAGINAW",
            "state": "MI",
            "postal_code": "48602",
            "telephone_number": "989-746-7500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "405 W Jackson St",
            "address_purpose": "LOCATION",
            "city": "Carbondale",
            "state": "IL",
            "postal_code": "629011462",
            "country_code": "US",
            "telephone_number": "618-549-0721 x65150",
            "fax_number": "618-457-0469",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "100 Dr Warren Tuttle Dr",
            "address_purpose": "LOCATION",
            "city": "Harrisburg",
            "state": "IL",
            "postal_code": "629462718",
            "country_code": "US",
            "telephone_number": "618-253-0350",
            "fax_number": "618-252-2425",
            "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 x35130",
            "fax_number": "618-351-4917",
            "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 x55620",
            "fax_number": "618-529-0524",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIERON",
        "first_name": "ARTHUR",
        "middle_name": "OSCAR",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-06-30",
        "last_updated": "2026-08-04",
        "certification_date": "2026-08-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MI",
            "license": "4351051111",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036178159",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "asieron91246@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": "asieron91246@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": "asieron91246@sih.direct-ci.com",
            "affiliation": "N",
            "address_1": "100 Dr Warren Tuttle Dr",
            "city": "Harrisburg",
            "state": "IL",
            "country_code": "US",
            "postal_code": "629462718",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "asieron91246@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"
        }
    ],
    "other_names": []
}

• Rehan Siddiqui, RPH
• Viraj Singh Sidhu, MD
• Helena Monsef Sidrak, MS
• Amy Marie Siegel, MS, CCC-SLP
• Brandi Kay Sieja, RN
• Payton Jane Sieveke
• Gregory Sigler, MDCM, FRCSC
• Sara Siler, BT
• John Silva
• Katherine Silva

• Emergency Medicine Physician in Saginaw, MI
• Providers in Saginaw, MI by specialty
• Emergency Medicine Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 4, 2026; 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.