Fresenius Access Care Physicians of Madison LLC

Primary specialty

Vascular & Interventional Radiology PhysicianTaxonomy code 2085R0204X

Legal business name

FRESENIUS ACCESS CARE PHYSICIANS OF MADISON LLC

Doing business as

Vascular Institute Eastern Wisconsin

Practice address

5020 American Family Dr Ste 100
Madison, WI 53718-8304

Phone

(608) 621-2001

NPI assigned

Jan 21, 2022

Last updated

Jun 4, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Gregg Miller, MDNPI 1942273560

Title

Sr. Vice President

Phone

(717) 515-4048

Specialties & licenses 1

Addresses

Other names 1

• Vascular Institute Eastern Wisconsin Doing business as

Medicare fee-for-service enrollment

Enrolled in WI

Enrollment records 1

Member organizations 1

Organizations listed as members of this organization in the National Provider Directory.

• Fresenius Access Care Physicians of Madison ASC LLC

  • Ambulatory Surgical Clinic/Center
  • Madison, WI
  • NPI 1437801388

  Member Of

  NPD member

Locations

Practitioners 5

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Robert Blakeslee Ballard, MD

  • Vascular Surgery Physician
  • Appleton, WI
  • NPI 1902898182
  Medicare reassignment Care Compare group NPD
• Aaron T. Schwaab, M.D.

  • Surgery Physician
  • Stoughton, WI
  • NPI 1881682805
  Medicare reassignment Care Compare group NPD
• Alexander Yevzlin, MD

  • Nephrology Physician
  • Ann Arbor, MI
  • NPI 1962463315

  WI

  Medicare reassignment Care Compare group NPD
• Gregg Arthur Miller, MD

  • Nephrology Physician
  • Brooklyn, NY
  • NPI 1942273560
  Authorized official Same address or phone
• David W Koeper, MD

  • Nephrology Physician
  • Neenah, WI
  • NPI 1487698387
  NPD (past)

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

{
    "created_epoch": "1642723200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1780531200000",
    "number": "1710639653",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 N WARNER RD STE 205",
            "city": "KING OF PRUSSIA",
            "state": "PA",
            "postal_code": "194062841",
            "telephone_number": "610-644-8900",
            "fax_number": "484-924-0053"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5020 AMERICAN FAMILY DR STE 100",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537188304",
            "telephone_number": "608-621-2001"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5020 American Family Dr Ste 101",
            "address_purpose": "LOCATION",
            "city": "Madison",
            "state": "WI",
            "postal_code": "537188304",
            "country_code": "US",
            "telephone_number": "608-621-2001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "FRESENIUS ACCESS CARE PHYSICIANS OF MADISON LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2022-01-21",
        "last_updated": "2026-06-04",
        "certification_date": "2026-06-04",
        "status": "A",
        "authorized_official_last_name": "MILLER",
        "authorized_official_first_name": "GREGG",
        "authorized_official_title_or_position": "SR. VICE PRESIDENT",
        "authorized_official_telephone_number": "717-515-4048",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "2085R0204X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Radiology, Vascular & Interventional Radiology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Vascular Institute Eastern Wisconsin",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Daniel French
• Greta J French
• Abby C. Frese, NP
• Andrea Fresen
• Fresenius Access Care Physicians of Madison ASC LLC
• Fresenius Kidney Care Madison, LLC (Fresenius Kidney Care Middleton)
• Fresenius Kidney Care Madison, LLC (Fresenius Kidney Care American Parkway)
• Amanda Freund, PHARMD
• Colleen Frey-McGovern, COTA
• Jana Lane Frey, PH.D.

• Vascular & Interventional Radiology Physician in Madison, WI
• Providers in Madison, WI by specialty
• Vascular & Interventional Radiology Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 4, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.