NPIMap

Individual provider Active NPI

William D Timm, MD

  • Infectious Disease Physician
  • Brookfield, WI
National Provider Identifier
1902856016
Registry record updated Jan 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Infectious Disease PhysicianTaxonomy code 207RI0200X
License
33843-020 Issued in WI
Practice address
150 S Sunny Slope Rd Ste 136
Brookfield, WI 53005-4858
Phone
(262) 786-4550
Fax
(262) 786-4552
NPI assigned
May 11, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 16, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Infectious Disease Physician 207RI0200X 33843-020 WI Primary

Addresses

Primary practice location

150 S Sunny Slope Rd Ste 136
Brookfield, WI 53005-4858

Mailing address

150 S Sunny Slope Rd
Suite 136
Brookfield, WI 53005-6461
Phone (262) 786-4550

Other practice location 1

1818 N Meade St
Appleton, WI 54911-3454
Phone (920) 831-1841

Other identifiers 2

IdentifierTypeStateIssuer
110132995OtherWIRAILROAD MEDICARE
31980100MedicaidWI

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040122000548 WI Practitioner - Infectious Disease 7911809991 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Infectious Disease
Education
Medical College of Wisconsin, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Infectious Disease Specialists of SE Wi, SCGroup PAC ID 5890697874, 13 clinicians
Thedacare, IncorporatedGroup PAC ID 1759294887, 654 clinicians

Practice addresses (Care Compare)

150 S Sunny Slope Rd
Suite 136
Brookfield, WI 53005-4858
Phone (262) 786-4550

1818 N Meade St
Appleton, WI 54911-3454
Phone (920) 735-7645

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
33843-020WIMDInfectious Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Thedacare, Incorporated CurrentSince Jan 20, 2025 Accepting new patients
Infectious Disease Specialists of SE Wi, SC Infectious Disease CurrentSince Jul 15, 1996 Accepting new patients
Thedacare Medical Center - Berlin, Inc. Past Accepting new patients

Locations

4480 W Spencer St
Appleton, WI 54914
Phone (920) 738-4800

1818 N Meade St
Appleton, WI 54911
Phone (920) 731-4101

1818 N Meade St
Ste 130
Appleton, WI 54911
Phone (920) 410-7310

150 S Sunny Slope Rd
Ste 136
Brookfield, WI 53005
Phone (262) 641-6089

2301 N Lake Dr
Milwaukee, WI 53211
Phone (414) 270-4932

130 2nd St
Neenah, WI 54956
Phone (920) 729-2063

600 N Westhaven Dr
Oshkosh, WI 54904
Phone (920) 237-5000

201 N Mayfair Rd
Wauwatosa, WI 53226
Phone (414) 259-7200

8901 W Lincoln Ave
West Allis, WI 53227
Phone (414) 328-6000

Interoperability endpoints

  • Direct secure messaging: wtimm9815@direct.phci.org

Organizations & group practices 3

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.

Hospital & facility affiliations 11

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

NPI Registry JSON

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

{
    "created_epoch": "1147305600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1736985600000",
    "number": "1902856016",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "150 S SUNNY SLOPE RD",
            "address_2": "SUITE 136",
            "city": "BROOKFIELD",
            "state": "WI",
            "postal_code": "530056461",
            "telephone_number": "262-786-4550",
            "fax_number": "262-786-4552"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "150 S SUNNY SLOPE RD STE 136",
            "city": "BROOKFIELD",
            "state": "WI",
            "postal_code": "530054858",
            "telephone_number": "262-786-4550",
            "fax_number": "262-786-4552"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1818 N Meade St",
            "address_purpose": "LOCATION",
            "city": "Appleton",
            "state": "WI",
            "postal_code": "549113454",
            "country_code": "US",
            "telephone_number": "920-831-1841",
            "fax_number": "920-831-1834",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TIMM",
        "first_name": "WILLIAM",
        "middle_name": "D",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-11",
        "last_updated": "2025-01-16",
        "certification_date": "2025-01-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "WI",
            "license": "33843-020",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "110132995",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "31980100",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Brookfield, WI

Sources for this page

Verify at the official NPI Registry.