Syed Mojiz Ul Hasan, MD

Primary specialty

Medical Oncology PhysicianTaxonomy code 207RX0202X

License

2019024553 Issued in MO

Practice address

1350 US Highway 61
Festus, MO 63028-4124

Phone

(636) 931-3655

NPI assigned

Jul 7, 2016

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in MO

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

Internal MedicineAlso: Medical Oncology

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mercy Clinic Oncology LLCGroup PAC ID 1153446471, 30 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Hospital Jefferson Hospital, Crystal City, MO, CCN 260023
• Mercy Hospital South Hospital, Saint Louis, MO, CCN 260077
• Mercy Hospital St Louis Hospital, Saint Louis, MO, CCN 260020
• Parkland Health Center Hospital, Farmington, MO, CCN 260163

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Mercy Clinic Oncology, LLC

  • Hematology & Oncology Physician
  • Washington, MO
  • NPI 1407169915
  Medicare reassignment Care Compare group NPD
• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1992746903
  Medicare reassignment
• Mercy Hospital Jefferson

  • General Acute Care Hospital
  • Festus, MO
  • NPI 1508859661
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Mercy Hospital Jefferson

  • General Acute Care Hospital
  • Festus, MO
  • NPI 1508859661
  Care Compare affiliation
• Mercy Hospital South

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1568481984
  Care Compare affiliation
• Mercy Hospitals East Communities

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1427098169
  Care Compare affiliation
• Mercy Hospitals East Communities

  • Land Ambulance
  • Saint Louis, MO
  • NPI 1881329902

  Hospital

  Care Compare affiliation
• Parkland Health Center

  • General Acute Care Hospital
  • Farmington, MO
  • NPI 1003824061
  Care Compare affiliation
• Parkland Health Center

  • Psychiatric Hospital Unit
  • Farmington, MO
  • NPI 1902814866
  Care Compare affiliation

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

{
    "created_epoch": "1467849600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1285086868",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1350 US HIGHWAY 61",
            "city": "FESTUS",
            "state": "MO",
            "postal_code": "630284124",
            "telephone_number": "636-931-3655"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1350 US HIGHWAY 61",
            "city": "FESTUS",
            "state": "MO",
            "postal_code": "630284124",
            "telephone_number": "636-931-3655"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "550 Maple Valley Dr",
            "address_purpose": "LOCATION",
            "city": "Farmington",
            "state": "MO",
            "postal_code": "636401981",
            "country_code": "US",
            "telephone_number": "636-931-3655",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6500 Hospital Dr",
            "address_purpose": "LOCATION",
            "city": "Hannibal",
            "state": "MO",
            "postal_code": "634016890",
            "country_code": "US",
            "telephone_number": "573-629-3331",
            "fax_number": "573-629-3336",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HASAN",
        "first_name": "SYED",
        "middle_name": "MOJIZ UL",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-07-07",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "MO",
            "license": "2019024553",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2019024553",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "MO",
            "license": "2019024553",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hard Knocks LLC
• Andrew Harrelson, MD
• Tamera Lynn Harris
• Franklin W Harry, DPM
• Lindsay Nicole Hartman, MA, LPC
• Elizabeth Haselhorst
• David L Hatch, DMD
• Bambi Haverstick
• Veronica Hawk
• Shawn Hawkins

• Medical Oncology Physician in Festus, MO
• Providers in Festus, MO by specialty
• Medical Oncology Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 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.