William Roccos Walter, M.D.

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

282912 Issued in NY

Practice address

333 E 38TH St
New York, NY 10016-2772

Phone

(646) 501-7400

NPI assigned

Jul 19, 2011

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

Electronic endpoints 3

Medicare fee-for-service enrollment

Enrolled in NY

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

Diagnostic Radiology

Education

University of Michigan Medical School, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

New York UniversityGroup PAC ID 1355232422, 5,925 clinicians

Columbiadoctors/Newyork-PresbyterianimagingGroup PAC ID 6608141981, 106 clinicians

Trustees of Columbia University in the City of New YorkGroup PAC ID 8527972546, 2,262 clinicians

Columbia/Newyork-Presbyterian Advanced Imaging Inc.Group PAC ID 9436686458, 87 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• New York-Presbyterian Hospital Hospital, New York, NY, CCN 330101
• NYU Langone Hospitals Hospital, New York, NY, CCN 330214
• Bellevue Hospital Center Hospital, New York, NY, CCN 330204
• Hudson Valley Hospital Center Hospital, Cortlandt Manor, NY, CCN 330267
• Long Island Community Hospital Hospital, Patchogue, NY, CCN 330141

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H1722

Interoperability endpoints

• Direct secure messaging: ija9009@direct.nyp.org
• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/
• Direct secure messaging: wwalter128924@nyumc.direct-ci.com
• FHIR API: https://epicproxy-pub.et1089.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.

• Columbia/Newyork-Presbyterian Advanced Imaging Inc.

  • Specialist
  • New York, NY
  • NPI 1356171797
  Medicare reassignment Care Compare group NPD
• Columbiadoctors/Newyork-Presbyterianimaging

  • Specialist
  • New York, NY
  • NPI 1902345986
  Medicare reassignment Care Compare group NPD
• Trustees of Columbia University in the City of New York

  • Surgery Physician
  • New York, NY
  • NPI 1508266347
  Medicare reassignment Care Compare group NPD
• New York University

  • Cardiovascular Disease Physician
  • Boynton Beach, FL
  • NPI 1285826438

  NY

  Medicare reassignment Care Compare group NPD
• New York City Health and Hospitals Corporation

  • Clinic/Center
  • New York, NY
  • NPI 1548208127
  Medicare reassignment NPD
• New York City Health and Hospitals Corporation

  • Clinic/Center
  • New York, NY
  • NPI 1538943469
  NPD
• Trustees of Columbia University in the City of New York

  • Internal Medicine Physician
  • New York, NY
  • NPI 1699289488

  Diagnostic Radiology

  NPD
• New York University

  • Physical Medicine & Rehabilitation Physician
  • Boynton Beach, FL
  • NPI 1104787613
  NPD
• Trustees of Columbia University in the City of New York

  • Vascular & Interventional Radiology Physician
  • New York, NY
  • NPI 1992816011
  NPD (past)

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

• Hudson Valley Hospital Center

  • General Acute Care Hospital
  • Cortlandt Manor, NY
  • NPI 1881659274
  Care Compare affiliation
• New York City Health and Hospitals Corporation

  • General Acute Care Hospital
  • New York, NY
  • NPI 1073535027
  Care Compare affiliation
• NYU Langone Hospitals

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Patchogue, NY
  • NPI 1013724061

  Hospital

  Care Compare affiliation
• NYU Langone Hospitals

  • Rehabilitation Hospital Unit
  • New York, NY
  • NPI 1275632895
  Care Compare affiliation
• NYU Langone Hospitals

  • Ambulance
  • Brooklyn, NY
  • NPI 1346614443

  Hospital

  Care Compare affiliation
• NYU Langone Hospitals

  • General Acute Care Hospital
  • Mineola, NY
  • NPI 1427616002
  Care Compare affiliation
• NYU Langone Hospitals

  • Oncology Clinic/Center
  • New York, NY
  • NPI 1437230034

  Hospital

  Care Compare affiliation
• NYU Langone Hospitals

  • General Acute Care Hospital
  • Brooklyn, NY
  • NPI 1619341716
  Care Compare affiliation
• NYU Langone Hospitals

  • General Acute Care Hospital
  • New York, NY
  • NPI 1669578324
  Care Compare affiliation
• NYU Langone Hospitals

  • General Acute Care Hospital
  • New York, NY
  • NPI 1801992631
  Care Compare affiliation
• NYU Langone Hospitals

  • General Acute Care Hospital
  • Patchogue, NY
  • NPI 1831910355
  Care Compare affiliation
• The New York and Presbyterian Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1144504044
  Care Compare affiliation

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

{
    "created_epoch": "1311033600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769990400000",
    "number": "1649568015",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "333 E 38TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100162772",
            "telephone_number": "617-304-3148"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "333 E 38TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100162772",
            "telephone_number": "646-501-7400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALTER",
        "first_name": "WILLIAM",
        "middle_name": "ROCCOS",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-07-19",
        "last_updated": "2026-02-02",
        "certification_date": "2026-02-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "NY",
            "license": "282912",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ija9009@direct.nyp.org",
            "affiliation": "N",
            "endpointDescription": "Direct Address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Direct Address",
            "address_1": "622 W 168th St",
            "city": "New York",
            "state": "NY",
            "country_code": "US",
            "postal_code": "100323720",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "endpointDescription": "FHIR",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "622 W 168th St",
            "city": "New York",
            "state": "NY",
            "country_code": "US",
            "postal_code": "100323720",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/",
            "affiliation": "N",
            "endpointDescription": "FHIR",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "622 W 168th St",
            "city": "New York",
            "state": "NY",
            "country_code": "US",
            "postal_code": "100323720",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Peter H Walter, PTA
• Seth David Walter
• Shauna Danielle Walter, MS,MHC
• Sondra Michelle Walter, NP
• Vinay Walter, RPH
• Erica Walters-Rodney
• Aliage M Walters
• Alicia C Walters
• Amanda Walters
• Bailey Walters, DNP-P

• Diagnostic Radiology Physician in New York, NY
• Providers in New York, NY by specialty
• Diagnostic Radiology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 2, 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.