Individual provider Active NPI

David M McMahon, DO

  • Psychiatry Physician
  • Green Bay, WI
National Provider Identifier
1457662249
Registry record updated Oct 18, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
63216-21 Issued in WI
Practice address
301 E Saint Joseph St
Green Bay, WI 54301-2241
Phone
(920) 433-3630
Fax
(920) 437-0533
NPI assigned
Jun 25, 2010
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 18, 2021

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X 63216-21 WI Primary

Addresses

Primary practice location

301 E Saint Joseph St
Green Bay, WI 54301-2241

Mailing address

PO Box 22040
Green Bay, WI 54305-2040
Phone (920) 445-7210

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
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

Enrollment IDStateProvider typePAC IDDetails
I20141212001730 WI Practitioner - Psychiatry 4880840271 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
Des Moines University of Osteopathic Medicine and Health Sciences, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Affiliated Clinical Services IncGroup PAC ID 0244124899, 22 clinicians
Rockford Psychiatric Medical Services SCGroup PAC ID 6901089515, 154 clinicians

Practice addresses (Care Compare)

111 E Washington St
West Bend, WI 53095-2571
Phone (262) 338-2717

1233 N Mayfair Rd
Suite 207
Wauwatosa, WI 53226-3255
Phone (414) 296-6189

2400 Marshall St
Suite a
Wausau, WI 54403-6738
Phone (715) 848-4600

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
63216-21WIMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Human Services Board Serving North Central Health Care Facility CurrentSince Sep 18, 2023 Accepting new patients
Ganesha Institute of Neurology and Psychiatry SC Psychiatry Current Accepting new patients
Affiliated Clinical Services Inc CurrentSince Jun 1, 2023 Accepting new patients
Ganesha Institute of Neurology and Psychiatry SC Psychiatry CurrentSince Sep 1, 2024 Accepting new patients
Human Services Board Serving North Central Health Care Facility CurrentSince Sep 18, 2023 Accepting new patients
Rockford Psychiatric Medical Services, S.C. Psychiatry CurrentSince Dec 15, 2025 Accepting new patients
Human Services Board Serving North Central Heatlh Care Facility Past Accepting new patients

Locations

1225 Langlade Rd
Antigo, WI 54409
Phone (715) 623-2394

4600 Green Bay Rd
Kenosha, WI 53144
Phone (847) 816-6335

780 Regent St
Ste 309
Madison, WI 53715
Phone (608) 690-5657

607 N Sales St
Merrill, WI 54452
Phone (715) 536-0307

2400 Marshall St
Ste A
Wausau, WI 54403
Phone (715) 848-4600

1233 N Mayfair Rd
Ste 207
Wauwatosa, WI 53226
Phone (414) 285-6018

111 E Washington St
West Bend, WI 53095
Phone (262) 338-2717

Interoperability endpoints

  • Direct secure messaging: lifestancehealth.davidmcmahon@149809.advancedmd-direct.com
  • Direct secure messaging: david.mcmahon.1@25899.direct.athenahealth.com
  • Direct secure messaging: dmcmahon144000@direct.phci.org

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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1277424000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1634515200000",
    "number": "1457662249",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 22040",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543052040",
            "telephone_number": "920-445-7210",
            "fax_number": "920-445-7289"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "301 E SAINT JOSEPH ST",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543012241",
            "telephone_number": "920-433-3630",
            "fax_number": "920-437-0533"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCMAHON",
        "first_name": "DAVID",
        "middle_name": "M",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-06-25",
        "last_updated": "2021-10-18",
        "certification_date": "2021-10-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "WI",
            "license": "63216-21",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Green Bay, WI

Sources for this page

Verify at the official NPI Registry.