Christopher Osterbauer, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

5101026205 Issued in MI

Practice address

601 John St
Kalamazoo, MI 49007-5341

Phone

(269) 341-8481

NPI assigned

Jun 29, 2018

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in WI

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Hospitalist

Education

Midwestern University, Chicago College of Osteopathic Med, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Lakeview Medical Center Inc of Rice LakeGroup PAC ID 6103737820, 168 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Marshfield Medical Center - Rice Lake Hospital, Rice Lake, WI, CCN 520011
• Marshfield Medical Center Hospital, Marshfield, WI, CCN 520037

Merit-based Incentive Payment System (MIPS)

Final score

82.72 of 100Reported as group

Quality

64.71

Promoting interoperability

100

Improvement activities

40

Cost

65.56

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir-myrecord.cerner.com/r4/67ff075a-8289-4f2d-a8eb-5dc1f0d954ab/
• Direct secure messaging: him@marshfieldclinichealthsystem.cernerdirect.com

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.

• Lakeview Medical Center Inc of Rice Lake

  • Clinic/Center
  • Rice Lake, WI
  • NPI 1093201832
  Medicare reassignment Care Compare group NPD
• Beaver Dam Community Hospitals Inc

  • Clinic/Center
  • Beaver Dam, WI
  • NPI 1972188555
  Medicare reassignment NPD
• Flambeau Hospital Inc

  • Clinic/Center
  • Park Falls, WI
  • NPI 1194317966
  Medicare reassignment NPD
• Flambeau Hospital Inc

  • Critical Access Hospital
  • Park Falls, WI
  • NPI 1700963048
  Medicare reassignment NPD
• Marshfield Clinic Inc

  • Clinic/Center
  • Marshfield, WI
  • NPI 1952347981
  Medicare reassignment NPD
• MCHS Hospitals Inc

  • Clinic/Center
  • Marshfield, WI
  • NPI 1093221434

  Internal Medicine

  Medicare reassignment NPD
• MCHS Hospitals Inc

  • Critical Access Hospital
  • Ladysmith, WI
  • NPI 1952890873
  Medicare reassignment NPD
• Memorial Hospital Inc

  • Critical Access Hospital
  • Neillsville, WI
  • NPI 1346239373
  Medicare reassignment NPD
• Beaver Dam Community Hospitals Inc

  • Pharmacy
  • Beaver Dam, WI
  • NPI 1295771780
  NPD
• MCHS Hospitals Inc

  • Durable Medical Equipment & Medical Supplies
  • Eau Claire, WI
  • NPI 1558230847
  NPD
• MCHS Hospitals Inc

  • Clinic/Center
  • Weston, WI
  • NPI 1992336655

  Internal Medicine

  NPD
• Memorial Hospital Inc

  • Clinic/Center
  • Neillsville, WI
  • NPI 1033701800
  NPD

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

• Lakeview Medical Center Inc of Rice Lake

  • Rural Acute Care Hospital
  • Rice Lake, WI
  • NPI 1154415024
  Care Compare affiliation
• MCHS Hospitals Inc

  • Rural Acute Care Hospital
  • Marshfield, WI
  • NPI 1942749387
  Care Compare affiliation

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

{
    "created_epoch": "1530230400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756252800000",
    "number": "1427543578",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "601 JOHN ST",
            "city": "KALAMAZOO",
            "state": "MI",
            "postal_code": "490075341"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "601 JOHN ST",
            "city": "KALAMAZOO",
            "state": "MI",
            "postal_code": "490075341",
            "telephone_number": "269-341-8481"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1000 Houghton Ave",
            "address_purpose": "LOCATION",
            "city": "Saginaw",
            "state": "MI",
            "postal_code": "486025303",
            "country_code": "US",
            "telephone_number": "989-583-8900",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1700 W Stout St",
            "address_purpose": "LOCATION",
            "city": "Rice Lake",
            "state": "WI",
            "postal_code": "548685000",
            "country_code": "US",
            "telephone_number": "715-236-4450",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OSTERBAUER",
        "first_name": "CHRISTOPHER",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-06-29",
        "last_updated": "2025-08-27",
        "certification_date": "2025-08-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "5101023982",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WI",
            "license": "81001",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "5101026205",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "direct@direct.bronsonhg.org",
            "affiliation": "Y",
            "endpointDescription": "Bronson Healthcare Group Direct address",
            "affiliationName": "Bronson Healthcare Group",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Continuity of Care Document",
            "address_1": "601 John St",
            "city": "Kalamazoo",
            "state": "MI",
            "country_code": "US",
            "postal_code": "490075341",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "him@marshfieldclinichealthsystem.cernerdirect.com",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "Other",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Other",
            "address_1": "1000 N Oak Ave",
            "city": "Marshfield",
            "state": "WI",
            "country_code": "US",
            "postal_code": "544495703",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Oshtemo Pharmacy LLC
• Marie Osler
• Sasha Vanessa Ospina, LMSW
• Racel Elizabeth Ossino, PTA
• Ellowyn Oster
• Tory Ostrander
• Kiley June Ostrowski, RN-BSN
• Danielle Otis, PA-C
• Kathryn Elizabeth Otte, CRNA
• Jessica Otten

• Internal Medicine Physician in Kalamazoo, MI
• Providers in Kalamazoo, MI by specialty
• Internal Medicine Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 2025; 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.