Individual provider Active NPI

Michael P Neiderer, DO

  • Internal Medicine Physician
  • Tucson, AZ
National Provider Identifier
1033158621
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
4422 Issued in AZ
Practice address
6200 N la Cholla Blvd
Tucson, AZ 85741-3529
Phone
(520) 469-8011
NPI assigned
Jun 6, 2006
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 4422 AZ Primary

Addresses

Primary practice location

6200 N la Cholla Blvd
Tucson, AZ 85741-3529

Mailing address

PO Box 43160
Tucson, AZ 85733-3160
Phone (520) 722-3777

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Northwest Allied Physicians LLC Internal Medicine PastSince Jun 1, 2006 Accepting new patients
Northwest Allied Physicians, LLC Past Accepting new patients

Organizations & group practices 2

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": "1149552000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1033158621",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 43160",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857333160",
            "telephone_number": "520-722-3777"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6200 N LA CHOLLA BLVD",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857413529",
            "telephone_number": "520-469-8011"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NEIDERER",
        "first_name": "MICHAEL",
        "middle_name": "P",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-06",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AZ",
            "license": "4422",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tucson, AZ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.