NPIMap

Organization Active NPI

Northwestern Services, LLC

  • Anesthesiology Physician
  • Farmington Hills, MI
National Provider Identifier
1083883649
Registry record updated Nov 4, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
Legal business name
NORTHWESTERN SERVICES, LLC
Practice address
30055 Northwestern Hwy
Suite L60
Farmington Hills, MI 48334-3230
Phone
(248) 865-6555
NPI assigned
Feb 27, 2008
Last updated
Nov 4, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Nov 4, 2025

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

Authorized official

Name
Cristin Trahey
Title
Administrator
Phone
(248) 865-6555

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X NU Primary

Addresses

Primary practice location

30055 Northwestern Hwy
Suite L60
Farmington Hills, MI 48334-3230

Mailing address

30055 Northwestern Hwy Ste L-60
Farmington Hills, MI 48334-3274

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20080514000823 MI Part B Supplier - Clinic/Group Practice 4486723657 Receives reassigned benefits from 197 practitioners
1 other NPI on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: Farmington Hills, MI

Other NPIs on the same Medicare enrollment 1

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

National Provider Directory

National Provider Directory
Tax ID family
Northwest Services LLC2 organizations share this tax ID, including this one

Other organizations with this tax ID 1

Organizations that report the same tax identification number in the National Provider Directory.

Member of 1

Organizations this organization is a member of, according to the National Provider Directory.

Locations

30055 Northwestern Hwy
Ste L-60
Farmington Hills, MI 48334
Phone (248) 265-6555

Practitioners & affiliated clinicians

Practitioners 190

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 190

NPI Registry JSON

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

{
    "created_epoch": "1204070400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1762214400000",
    "number": "1083883649",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "30055 NORTHWESTERN HWY STE L-60",
            "city": "FARMINGTON HILLS",
            "state": "MI",
            "postal_code": "483343274"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "30055 NORTHWESTERN HWY",
            "address_2": "SUITE L60",
            "city": "FARMINGTON HILLS",
            "state": "MI",
            "postal_code": "483343230",
            "telephone_number": "248-865-6555"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "NORTHWESTERN SERVICES, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2008-02-27",
        "last_updated": "2025-11-04",
        "certification_date": "2025-11-04",
        "status": "A",
        "authorized_official_last_name": "TRAHEY",
        "authorized_official_first_name": "CRISTIN",
        "authorized_official_title_or_position": "ADMINISTRATOR",
        "authorized_official_telephone_number": "248-865-6555"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Farmington Hills, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 4, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.