Individual provider Active NPI

Timothy J Wiegand, MD

  • Medical Toxicology (Emergency Medicine) Physician
  • Rochester, NY
National Provider Identifier
1467566398
Registry record updated Sep 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Toxicology (Emergency Medicine) PhysicianTaxonomy code 207PT0002X
License
258256 Issued in NY
Practice address
601 Elmwood Ave
Box 655
Rochester, NY 14642-8655
Phone
(585) 275-9555
NPI assigned
Aug 18, 2006
Last updated
Sep 28, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 28, 2026

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

Specialties & licenses 6

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Toxicology (Emergency Medicine) Physician 207PT0002X 017860 ME
Medical Toxicology (Emergency Medicine) Physician 207PT0002X 258256 NY Primary
Internal Medicine Physician 207R00000X 017860 ME
Internal Medicine Physician 207R00000X A88509 CA
Hospitalist Physician 208M00000X 017860 ME
Addiction Medicine (Preventive Medicine) Physician 2083A0300X 61-1250 NY

Addresses

Primary practice location

601 Elmwood Ave
Box 655
Rochester, NY 14642-8655

Mailing address

601 Elmwood Ave
Box 655
Rochester, NY 14642-8655
Phone (585) 275-9555

Other practice location 1

201 S Union St
Olean, NY 14760-3646
Phone (716) 373-4303

Other identifiers 3

IdentifierTypeStateIssuer
03257283MedicaidNY
432977599MedicaidME
30207895MedicaidNH

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address twiegand5940@direct.urmc.rochester.edu Direct
Direct Messaging Address twiegand5940@direct.urmc.rochester.edu Direct

Medicare participation

Medicare enrollment files
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: No
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20101108000738 NY Practitioner - Medical ToxicologyPractitioner - Emergency Medicine 3870548845 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Medical Toxicology
Education
Other, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

601 Elmwood Ave
Rochester, NY 14642-0001
Phone (585) 275-9555

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
017860MEMDMedical Toxicology (Emergency Medicine) Physician
A88509CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Emergency Associates - University of Rochester CurrentSince Sep 1, 2010 Accepting new patients
Observation Associates of the University of Rochester CurrentSince Sep 1, 2010 Accepting new patients
University of Rochester Emergency Associates Toxicology Group CurrentSince Oct 18, 2010 Accepting new patients
Huther Doyle Memorial Institute PastSince Feb 14, 2023 Accepting new patients
Cogent Healthcare of California, PC Internal Medicine Past Accepting new patients
Cogent Healthcare of California, PC Internal Medicine Past Accepting new patients
Villa of Hope Past Accepting new patients

Locations

601 Elmwood Ave
Rochester, NY 14642
Phone (585) 275-9555

601 Elmwood Ave
#655
Rochester, NY 14642
Phone (585) 275-9555

Interoperability endpoints

  • Direct secure messaging: twiegand5940@direct.urmc.rochester.edu

Organizations & group practices 7

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1155859200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790553600000",
    "number": "1467566398",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "601 ELMWOOD AVE",
            "address_2": "BOX 655",
            "city": "ROCHESTER",
            "state": "NY",
            "postal_code": "146428655",
            "telephone_number": "585-275-9555"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "601 ELMWOOD AVE",
            "address_2": "BOX 655",
            "city": "ROCHESTER",
            "state": "NY",
            "postal_code": "146428655",
            "telephone_number": "585-275-9555"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "201 S Union St",
            "address_purpose": "LOCATION",
            "city": "Olean",
            "state": "NY",
            "postal_code": "147603646",
            "country_code": "US",
            "telephone_number": "716-373-4303",
            "fax_number": "716-373-4327",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WIEGAND",
        "first_name": "TIMOTHY",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-18",
        "last_updated": "2026-09-28",
        "certification_date": "2026-09-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207PT0002X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Medical Toxicology",
            "state": "ME",
            "license": "017860",
            "primary": false
        },
        {
            "code": "207PT0002X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Medical Toxicology",
            "state": "NY",
            "license": "258256",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "ME",
            "license": "017860",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A88509",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "ME",
            "license": "017860",
            "primary": false
        },
        {
            "code": "2083A0300X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Addiction Medicine",
            "state": "NY",
            "license": "61-1250",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "03257283",
            "state": "NY"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "432977599",
            "state": "ME"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "30207895",
            "state": "NH"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "twiegand5940@direct.urmc.rochester.edu",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "OTHER",
            "address_1": "601 Elmwood Ave",
            "city": "Rochester",
            "state": "NY",
            "country_code": "US",
            "postal_code": "146420001",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "twiegand5940@direct.urmc.rochester.edu",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "OTHER",
            "address_1": "601 Elmwood Ave",
            "city": "Rochester",
            "state": "NY",
            "country_code": "US",
            "postal_code": "146420001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Rochester, NY

Sources for this page

Verify at the official NPI Registry.