Pooya Hosseinzadeh, MD

Primary specialty

Orthopaedic Surgery PhysicianTaxonomy code 207X00000X

License

2016025632 Issued in MO

Practice address

4921 Parkview PL
Dept Orthopaedic Surgery, Ste 6a/6B/12a
Saint Louis, MO 63110-1032

Phone

(314) 514-3500

Fax

(314) 878-7678

NPI assigned

May 9, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Electronic endpoints 1

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

Orthopedic Surgery

Education

Other, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Washington UniversityGroup PAC ID 9830008770, 2,968 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Louis Childrens Hospital Hospital, Saint Louis, MO, CCN 263301

Merit-based Incentive Payment System (MIPS)

Final score

84.2 of 100Reported as group

Quality

71.6

Promoting interoperability

100

Improvement activities

40

Cost

75.75

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: phosseinzadeh152990@direct.carenet.org
• FHIR API: https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

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.

• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1679516033
  Medicare reassignment Care Compare group NPD
• Shriners Hospitals for Children

  • Pediatric Orthopaedic Surgery Physician
  • Saint Louis, MO
  • NPI 1275970295
  Medicare reassignment NPD
• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1962442475
  NPD
• Shriners Hospitals for Children

  dba Shriners Children's Hawaii

  • Clinic/Center
  • Aiea, HI
  • NPI 1568299857
  NPD
• Ozarks Medical Center

  dba Ozarks Healthcare

  • General Acute Care Hospital
  • West Plains, MO
  • NPI 1831115641
  NPD (past)
• St. Louis Children's Hospital

  • Children's Hospital
  • Saint Louis, MO
  • NPI 1992727663
  NPD (past)
• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1134169568
  NPD (past)
• DHP of West Virginia Inc

  • Orthopaedic Surgery Physician
  • Parkersburg, WV
  • NPI 1316294614
  NPD (past)

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

• St Louis Childrens Hospital

  dba Children's Hospital Specialty Care Center Pharmacy

  • Community/Retail Pharmacy
  • Town and Country, MO
  • NPI 1629464847

  Hospital

  Care Compare affiliation
• St. Louis Children's Hospital

  dba St. Louis Children's Hospital Dental Clinic

  • Dental Clinic/Center
  • Saint Louis, MO
  • NPI 1447302161

  Hospital

  Care Compare affiliation
• St. Louis Children's Hospital

  • Children's Hospital
  • Saint Louis, MO
  • NPI 1992727663
  Care Compare affiliation
• St. Louis Childrens Hospital

  • Adolescent and Children Mental Health Clinic/Center
  • Saint Louis, MO
  • NPI 1710909486

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1178668800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744848000000",
    "number": "1437363660",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7412011",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606742011",
            "telephone_number": "314-514-3500",
            "fax_number": "314-878-7678"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4921 PARKVIEW PL",
            "address_2": "DEPT ORTHOPAEDIC SURGERY, STE 6A/6B/12A",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101032",
            "telephone_number": "314-514-3500",
            "fax_number": "314-878-7678"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOSSEINZADEH",
        "first_name": "POOYA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-05-09",
        "last_updated": "2025-04-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "MO",
            "license": "2016025632",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200036135",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "4921 Parkview Pl",
            "address_2": "Dept Orthopaedic Surgery, Ste 6A/6B/12A",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101032",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Matthew Camden Hosler, MD
• Hospice Advantage, LLC
• Hospice of Missouri, Inc.
• Hospitalist Medicine Physicians of Missouri - Richmond Heights, Inc.
• Mohammed Ishak Hossain, MD
• Courtney Seelbach Hosto, PA
• Katherine Anne Hotaling, DDS
• Leslie Hotchkiss, RBT
• Richard S Hotchkiss, MD
• Abbas Hoteit, MD

• Orthopaedic Surgery Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Orthopaedic Surgery Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 17, 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.
• 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.