Allison Joy Nielsen, MD, MS

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

4351056084 Issued in MI

Practice address

1000 Houghton Ave
Saginaw, MI 48602-5303

Phone

(989) 774-7547

NPI assigned

Apr 1, 2026

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other names 1

• Allison Joy Christians Former name

Medicare fee-for-service enrollment

Enrolled in MI

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

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science

State licenses

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

{
    "created_epoch": "1775001600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787788800000",
    "number": "1578404083",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 HOUGHTON AVE",
            "city": "SAGINAW",
            "state": "MI",
            "postal_code": "486025303",
            "telephone_number": "989-746-7809"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 HOUGHTON AVE",
            "city": "SAGINAW",
            "state": "MI",
            "postal_code": "486025303",
            "telephone_number": "989-774-7547"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIELSEN",
        "first_name": "ALLISON",
        "middle_name": "JOY",
        "credential": "MD, MS",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-04-01",
        "last_updated": "2026-08-27",
        "certification_date": "2026-08-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MI",
            "license": "4351056084",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ALLISON",
            "last_name": "CHRISTIANS",
            "middle_name": "JOY",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Jordan Leigh Nickel
• Jessica Lynn Nickell
• Thomasine Nickleberry
• Nicole Throop Counseling and Consulting PLLC
• Barbra Niedzielski
• Jeffery James Nielsen, MD
• Lena Niernberg
• Shawna Irene Nievierowski, FNP-BC
• Charles Hooshmand Nightingale, MD
• Brittney Kristin Nigl

• Obstetrics & Gynecology Physician in Saginaw, MI
• Providers in Saginaw, MI by specialty
• Obstetrics & Gynecology Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.