Adrian Paolo Umpierrez de Reguero, MD

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

60520 Issued in WI

Practice address

1818 N Meade St
Appleton, WI 54911-3454

Phone

(920) 735-7645

Fax

(920) 735-7618

NPI assigned

Aug 26, 2010

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

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in WI, GA2 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 2

Specialty

Internal MedicineAlso: Hospitalist

Education

Other, 2008

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Emory Medical Care Foundation IncGroup PAC ID 4981501814, 1,003 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Grady Memorial Hospital Hospital, Atlanta, GA, CCN 110079

Merit-based Incentive Payment System (MIPS)

Final score

93.24 of 100Reported as group

Quality

73.72

Promoting interoperability

100

Improvement activities

40

Cost

75.22

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.

• Emory Medical Care Foundation Inc

  • Internal Medicine Physician
  • Atlanta, GA
  • NPI 1063452381
  Medicare reassignment Care Compare group NPD
• The Medical College of Wisconsin, Inc.

  • Internal Medicine Physician
  • Milwaukee, WI
  • NPI 1699720086
  Medicare reassignment NPD
• Emory Medical Care Foundation Inc

  • Diagnostic Radiology Physician
  • Atlanta, GA
  • NPI 1225294739
  NPD
• Grady Memorial Hospital Corporation

  • General Acute Care Hospital
  • Atlanta, GA
  • NPI 1992799050
  NPD (past)

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

• Grady Memorial Hospital Corporation

  • General Acute Care Hospital
  • Atlanta, GA
  • NPI 1992799050
  Care Compare affiliation

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

{
    "created_epoch": "1282780800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786924800000",
    "number": "1083920128",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3 NEENAH CTR",
            "city": "NEENAH",
            "state": "WI",
            "postal_code": "549563070",
            "telephone_number": "920-830-5900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1818 N MEADE ST",
            "city": "APPLETON",
            "state": "WI",
            "postal_code": "549113454",
            "telephone_number": "920-735-7645",
            "fax_number": "920-735-7618"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "80 Jesse Hill Jr Dr SE",
            "address_purpose": "LOCATION",
            "city": "Atlanta",
            "state": "GA",
            "postal_code": "303033031",
            "country_code": "US",
            "telephone_number": "404-616-4307",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "UMPIERREZ DE REGUERO",
        "first_name": "ADRIAN",
        "middle_name": "PAOLO",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-08-26",
        "last_updated": "2026-08-17",
        "certification_date": "2026-08-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "60520",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WI",
            "license": "60520",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "GA",
            "license": "96422",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1083920128",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "96422",
            "state": "GA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Amanda Jane Ujazdowski, PA-C
• Peter F Ullrich Jr., MD
• Mehgan L Ullsperger, MSN, APNP, AGNP-C
• Kaitlyn Marie Ulrich, LPC-IT
• Umoja Health Services
• United Anesthesia, S.C.
• Unity Way Transportation LLC
• University Clinicians LLC
• University of Wisconsin Medical Foundation
• University RX LLC

• Hospitalist Physician in Appleton, WI
• Providers in Appleton, WI by specialty
• Hospitalist Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 17, 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.