Mark K Aasen, MD

Primary specialty

Interventional Pain Medicine PhysicianTaxonomy code 208VP0014X

License

37593-020 Issued in WI

Practice address

2500 W Layton Ave Ste 200
Milwaukee, WI 53221-5434

Phone

(262) 297-7246

Fax

(888) 714-0578

NPI assigned

Dec 10, 2005

Last updated

Sep 16, 2026By the provider in NPPES

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

Other identifiers 1

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

Pain ManagementAlso: Anesthesiology

Education

University of Wisconsin School of Medicine, 1987

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Pain Physicians of Wisconsin SCGroup PAC ID 9537596341, 28 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

86.22 of 100Reported as group

Quality

59.26

Promoting interoperability

98

Improvement activities

40

Cost

72.4

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: maasenmd103257@direct.froedtert.com

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.

• Pain Physicians of Wisconsin, SC

  • Interventional Pain Medicine Physician
  • Milwaukee, WI
  • NPI 1679119689
  Medicare reassignment Care Compare group NPD
• The Medical College of Wisconsin, Inc.

  • Internal Medicine Physician
  • Milwaukee, WI
  • NPI 1699720086

  Anesthesiology

  Medicare reassignment NPD
• Advanced Pain Management SC

  • Pain Medicine Physician
  • Greenfield, WI
  • NPI 1770506669
  NPD
• Advanced Pain Management, SC

  dba Advanced Pain Specialists, PSC

  • Durable Medical Equipment & Medical Supplies
  • Evansville, IN
  • NPI 1669832655
  NPD
• Anesthesiology Associates of Wisconsin, S.C.

  • Anesthesiology Physician
  • Milwaukee, WI
  • NPI 1578518353
  NPD (past)
• Innovative Pain Care LLC

  • Interventional Pain Medicine Physician
  • Franklin, WI
  • NPI 1568682318
  NPD (past)
• Madison Surgicenter LLC

  • Ambulatory Surgical Clinic/Center
  • Madison, WI
  • NPI 1386387116
  NPD (past)
• Milwaukee Surgicenter LLC

  • Ambulatory Surgical Clinic/Center
  • Franklin, WI
  • NPI 1124612924

  Interventional Pain Medicine

  NPD (past)

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

{
    "created_epoch": "1134172800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789516800000",
    "number": "1184609356",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2500 W LAYTON AVE STE 200",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532215434",
            "telephone_number": "262-297-7246",
            "fax_number": "888-714-0578"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2500 W LAYTON AVE STE 200",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532215434",
            "telephone_number": "262-297-7246",
            "fax_number": "888-714-0578"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1200 Delafield St",
            "address_purpose": "LOCATION",
            "city": "Waukesha",
            "state": "WI",
            "postal_code": "531883430",
            "country_code": "US",
            "telephone_number": "262-297-7246",
            "fax_number": "888-714-0578",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4202 W Oakwood Park Ct",
            "address_purpose": "LOCATION",
            "city": "Franklin",
            "state": "WI",
            "postal_code": "531329118",
            "country_code": "US",
            "telephone_number": "262-297-7246",
            "fax_number": "888-714-0578",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "AASEN",
        "first_name": "MARK",
        "middle_name": "K",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-10",
        "last_updated": "2026-09-16",
        "certification_date": "2026-09-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "WI",
            "license": "37593-020",
            "primary": false
        },
        {
            "code": "208VP0014X",
            "taxonomy_group": "",
            "desc": "Pain Medicine, Interventional Pain Medicine",
            "state": "WI",
            "license": "37593-020",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "32234600",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Shameem Aadam, RPH
• Vinay Kumar Aakalu, MD
• Aaran Home Care LLC
• Aaran Services LLC
• Margaret Aasen, MD
• Ab Transportation Services LLC
• Lynn N Abad-Santos, APNP
• Maame Abokuma Abaidoo, MBCHB
• Kyle Marcus Abatto, MS
• Abbas Ali MD SC

• Interventional Pain Medicine Physician in Milwaukee, WI
• Providers in Milwaukee, WI by specialty
• Interventional Pain Medicine Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 16, 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.