Individual provider Active NPI

Anastasia Osipova, MD,PHD

  • Obstetrics & Gynecology Physician
  • Marshfield, WI
National Provider Identifier
1073889382
Registry record updated Jan 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
63050-20 Issued in WI
Practice address
Marshfield Clinic
1000 N Oak Avenue
Marshfield, WI 54449-5703
Phone
(715) 387-5511
NPI assigned
Mar 30, 2012
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 14, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Gynecology Physician 207VG0400X 036127848 IL
Obstetrics & Gynecology Physician 207V00000X 63050-20 WI Primary
Obstetrics & Gynecology Physician 207V00000X 036127848 IL

Addresses

Primary practice location

Marshfield Clinic
1000 N Oak Avenue
Marshfield, WI 54449-5703

Mailing address

10400 Haligus Rd
Huntley, IL 60142-9553
Phone (815) 356-2323

Other practice location 1

N2950 State Road 67
Lake Geneva, WI 53147-2655
Phone (262) 245-4990

Other practice location 2

10400 Haligus Rd
Huntley, IL 60142-9553
Phone (815) 356-2323

Other identifiers 2

IdentifierTypeStateIssuer
1073889382OtherWIBCBSWI
1073889382MedicaidWI

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, WI, IA, NV, IN5 enrollments
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 5

Enrollment IDStateProvider typePAC IDDetails
I20120725000559 IL Practitioner - Obstetrics/Gynecology 0244496875 Reassigns benefits to 4 organizations
I20141105001143 WI Practitioner - Obstetrics/Gynecology 0244496875 Reassigns benefits to 9 organizations
I20240719000076 IA Practitioner - Obstetrics/Gynecology 0244496875 Reassigns benefits to 1 organization
I20250707003249 NV Practitioner - Obstetrics/Gynecology 0244496875 Reassigns benefits to 1 organization
I20260415000362 IN Practitioner - Obstetrics/Gynecology 0244496875 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Other, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Community Care Network IncGroup PAC ID 3678737012, 378 clinicians
Mercy Health System CorporationGroup PAC ID 7416860440, 749 clinicians

Practice addresses (Care Compare)

1400 S Lake Park Ave
Suite 205
Hobart, IN 46342-6791
Phone (219) 942-8620

2000 Lake Ave
Woodstock, IL 60098-7401
Phone (815) 337-7100

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036127848ILMDObstetrics & Gynecology Physician
63050-20WIMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Central Dupage Physician Group CurrentSince Mar 10, 2024 Accepting new patients
North Iowa Mercy Clinics CurrentSince Jun 10, 2024 Accepting new patients
MCHS Hospitals, Inc. CurrentSince May 9, 2025 Accepting new patients
Iriye Medical Group PLLC CurrentSince May 25, 2025 Accepting new patients
MCHS Hospitals Inc CurrentSince May 9, 2025 Accepting new patients
Central Dupage Physician Group CurrentSince Mar 10, 2024 Accepting new patients
MCHS Hospitals Inc Current Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince May 9, 2025 Accepting new patients
Flambeau Hospital Inc CurrentSince May 9, 2025 Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince May 9, 2025 Accepting new patients
Marshfield Clinic Inc CurrentSince May 9, 2025 Accepting new patients
Flambeau Hospital Inc Current Accepting new patients
Mercy Harvard Hospital Inc CurrentSince Dec 1, 2025 Accepting new patients
North Iowa Mercy Clinics Obstetrics & Gynecology CurrentSince Jun 10, 2024 Accepting new patients
Rockford Health Physicians CurrentSince Mar 4, 2024 Accepting new patients
Mercy Harvard Hospital Inc CurrentSince Dec 1, 2025 Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince May 9, 2025 Accepting new patients
MCHS Hospitals Inc Current Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince May 9, 2025 Accepting new patients
North Iowa Mercy Clinics Current Accepting new patients
Memorial Hospital Inc CurrentSince May 9, 2025 Accepting new patients
Memorial Hospital Inc CurrentSince May 9, 2025 Accepting new patients
Mercy Health Services-Iowa Corp Past Accepting new patients

Locations

1000 4th St SW
Mason City, IA 50401
Phone (641) 424-6704

1010 4th St SW
Ste 220
Mason City, IA 50401
Phone (641) 428-5100

Dept 5777
Carol Stream, IL 60122

Carol Stream, IL 60122
Phone (630) 933-3300

29624 Network Pl
Chicago, IL 60673
Phone (608) 741-7652

10400 Haligus Rd
Huntley, IL 60142
Phone (224) 654-0000

8201 E Riverside Blvd
Rockford, IL 61114
Phone (815) 971-4066

2300 N Rockton Ave
Rockford, IL 61103
Phone (815) 971-5510

1800 N Main St
Wheaton, IL 60187
Phone (630) 469-0045

2000 Lake Ave
Woodstock, IL 60098
Phone (815) 337-4116

2011 Pinto Ln
Ste 200
Las Vegas, NV 89106
Phone (702) 382-3200

705 S University Ave
Beaver Dam, WI 53916
Phone (920) 885-6090

3501 Golf Rd
Eau Claire, WI 54701
Phone (715) 858-4200

1000 Mineral Point Ave
Janesville, WI 53548
Phone (608) 261-6868

N2950 State Road 67
Lake Geneva, WI 53147
Phone (262) 245-0535

1000 N Oak Ave
Marshfield, WI 54449
Phone (715) 387-5111

1102 S Center Ave
Merrill, WI 54452
Phone (715) 536-3399

N3708 River Ave
Neillsville, WI 54456
Phone (715) 743-3101

1700 W Stout St
Rice Lake, WI 54868
Phone (715) 236-6133

Interoperability endpoints

  • Direct secure messaging: aosipova28860@direct.mhemail.org

Organizations & group practices 25

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.

View all 25

Hospital & facility affiliations 6

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

NPI Registry JSON

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

{
    "created_epoch": "1333065600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768348800000",
    "number": "1073889382",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10400 HALIGUS RD",
            "city": "HUNTLEY",
            "state": "IL",
            "postal_code": "601429553",
            "telephone_number": "815-356-2323",
            "fax_number": "847-802-7201"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "MARSHFIELD CLINIC",
            "address_2": "1000 N OAK AVENUE",
            "city": "MARSHFIELD",
            "state": "WI",
            "postal_code": "544495703",
            "telephone_number": "715-387-5511"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "N2950 State Road 67",
            "address_purpose": "LOCATION",
            "city": "Lake Geneva",
            "state": "WI",
            "postal_code": "531472655",
            "country_code": "US",
            "telephone_number": "262-245-4990",
            "fax_number": "262-245-2248",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "10400 Haligus Rd",
            "address_purpose": "LOCATION",
            "city": "Huntley",
            "state": "IL",
            "postal_code": "601429553",
            "country_code": "US",
            "telephone_number": "815-356-2323",
            "fax_number": "847-802-7201",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OSIPOVA",
        "first_name": "ANASTASIA",
        "credential": "MD,PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-03-30",
        "last_updated": "2026-01-14",
        "certification_date": "2026-01-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VG0400X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Gynecology",
            "state": "IL",
            "license": "036127848",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "WI",
            "license": "63050-20",
            "primary": true
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "IL",
            "license": "036127848",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBSWI",
            "identifier": "1073889382",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1073889382",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Marshfield, WI

Sources for this page

Verify at the official NPI Registry.