NPIMap

Individual provider Active NPI

Allie Sandra Eickholtz, MD

  • Surgery Physician
  • West Branch, MI
National Provider Identifier
1033747118
Registry record updated Sep 2, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
4351046434 Issued in MI
Practice address
2431 S M 30 Ste 216
West Branch, MI 48661-9388
Phone
(989) 343-1134
NPI assigned
Apr 1, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 2, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X 4351046434 MI Primary

Addresses

Primary practice location

2431 S M 30 Ste 216
West Branch, MI 48661-9388

Mailing address

4000 Wellness Dr
Midland, MI 48670-2000
Phone (844) 832-1956

Other names 1

  • Allie Sandra Day Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI
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
I20250925000528 MI Practitioner - General Surgery 0840613501 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Michigan State University College of Human Medicine, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mymichigan Medical Center West BranchGroup PAC ID 7214251081, 75 clinicians

Practice addresses (Care Compare)

2431 S M
30 Suite 216
West Branch, MI 48661-9388
Phone (989) 343-1130

Hospital & facility affiliations

  • Mymichigan Medical Center West Branch Hospital, West Branch, MI, CCN 230095
  • Tawas St Joseph Hospital Hospital, Tawas City, MI, CCN 230100
  • Mymichigan Medical Center Gladwin Hospital, Gladwin, MI, CCN 231325
  • McLaren Bay Region Hospital, Bay City, MI, CCN 230041
  • Mymichigan Medical Center Midland Hospital, Midland, MI, CCN 230222

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy22
Hernia repair - groin (open)1-10
Hernia repair (minimally invasive)1-10
Upper gastrointestinal (GI) endoscopy for acid reflux19
Melanoma (skin cancer) excision1-10
Removal of tissue1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Mymichigan Medical Center West Branch Current Accepting new patients
West Branch Regional Medical Center Current Accepting new patients
Mymichigan Medical Center Tawas Current Accepting new patients
Mymichigan Medical Center Tawas Surgery CurrentSince Aug 1, 2025 Accepting new patients
Mymichigan Medical Center West Branch CurrentSince Aug 1, 2025 Accepting new patients
Mymichigan Medical Center Tawas CurrentSince Aug 1, 2025 Accepting new patients

Locations

609 Quarter St
Ste 7
Gladwin, MI 48624
Phone (989) 343-1134

4000 Wellness Dr
Midland, MI 48670
Phone (844) 832-1956

200 Hemlock Rd
Tawas City, MI 48763
Phone (989) 362-3411

200 Hemlock St
Tawas City, MI 48763
Phone (989) 362-0153

2463 S M 30
West Branch, MI 48661
Phone (517) 345-3660

2431 S M 30
Ste 216
West Branch, MI 48661
Phone (989) 343-1134

Interoperability endpoints

  • Direct secure messaging: aeickholtz293229@direct.trinity-health.org

Organizations & group practices 6

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 13

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

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1585699200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756771200000",
    "number": "1033747118",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4000 WELLNESS DR",
            "city": "MIDLAND",
            "state": "MI",
            "postal_code": "486702000",
            "telephone_number": "844-832-1956",
            "fax_number": "989-633-5241"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2431 S M 30 STE 216",
            "city": "WEST BRANCH",
            "state": "MI",
            "postal_code": "486619388",
            "telephone_number": "989-343-1134"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "EICKHOLTZ",
        "first_name": "ALLIE",
        "middle_name": "SANDRA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-04-01",
        "last_updated": "2025-09-02",
        "certification_date": "2025-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MI",
            "license": "4351046434",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ALLIE",
            "last_name": "DAY",
            "middle_name": "SANDRA",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in West Branch, MI

Sources for this page

Verify at the official NPI Registry.