Spencer Klein

Primary specialty

Plastic and Reconstructive Surgery PhysicianTaxonomy code 2086S0122X

License

74539 Issued in WI

Practice address

2605 Development Dr
Green Bay, WI 54311-4240

Phone

(920) 288-8240

Fax

(920) 857-1488

NPI assigned

Mar 25, 2019

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Plastic and Reconstructive Surgery

Education

University of Wisconsin School of Medicine, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Baycare Clinic LLPGroup PAC ID 4385554328, 197 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Aurora Baycare Medical Ctr Hospital, Green Bay, WI, CCN 520193

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Baycare Clinic LLP

  • Emergency Medicine Physician
  • Green Bay, WI
  • NPI 1588609648
  Medicare reassignment Care Compare group NPD
• Baycare Clinic LLP

  • Durable Medical Equipment & Medical Supplies
  • Manitowoc, WI
  • NPI 1134490758
  NPD

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

• Baycare Aurora, LLC

  • General Acute Care Hospital
  • Green Bay, WI
  • NPI 1255387726
  Care Compare affiliation

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

{
    "created_epoch": "1553472000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777334400000",
    "number": "1346701273",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1035 KEPLER DR",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543118320",
            "telephone_number": "920-490-9046",
            "fax_number": "920-405-8005"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2605 DEVELOPMENT DR",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543114240",
            "telephone_number": "920-288-8240",
            "fax_number": "920-857-1488"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1500 Arbor Way",
            "address_purpose": "LOCATION",
            "city": "Kaukauna",
            "state": "WI",
            "postal_code": "541307305",
            "country_code": "US",
            "telephone_number": "920-288-8240",
            "fax_number": "920-857-1488",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KLEIN",
        "first_name": "SPENCER",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-25",
        "last_updated": "2026-04-28",
        "certification_date": "2026-04-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086S0122X",
            "taxonomy_group": "",
            "desc": "Surgery, Plastic and Reconstructive Surgery",
            "state": "WI",
            "license": "74539",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "WI",
            "license": "390200000X",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Molly May Kleiman, M.D.
• Abigail Marie Klein, APNP
• Angela A Klein, APNP
• Jason Paul Klein, MD
• Laura C Klein, F-NP
• Heidi Kleinschmidt, SAC
• Erica Kleist, MD
• James Kleist, M.D.
• Kenneth D. Kleist, MD
• Lee James Klemens, MD

• Plastic and Reconstructive Surgery Physician in Green Bay, WI
• Providers in Green Bay, WI by specialty
• Plastic and Reconstructive Surgery Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 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.
• 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.