Laboratory Medicine Specialists of Duluth

Primary specialty

Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X

Legal business name

LABORATORY MEDICINE SPECIALISTS OF DULUTH

Practice address

1346 W Arrowhead Rd
Duluth, MN 55811-2218

Phone

(800) 288-8325

Fax

(218) 726-3007

NPI assigned

Apr 7, 2006

Organization subpart

No

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

Authorized official

Name

Sarah Lundeen, MDNPI 1215087119

Title

Treasurer

Phone

(800) 288-8325

Specialties & licenses 2

Addresses

Other identifiers 9

Medicare fee-for-service enrollment

Enrolled in MN

Enrollment records 1

Locations

Practitioners 7

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Sarah J Lundeen, MD

  • Anatomic Pathology & Clinical Pathology Physician
  • Duluth, MN
  • NPI 1215087119
  Medicare reassignment Care Compare group NPD Authorized official
• Kristin E Baer Kartch, MD

  • Anatomic Pathology & Clinical Pathology Physician
  • Duluth, MN
  • NPI 1922159086
  Medicare reassignment Care Compare group NPD
• Steven J Eastep, MD

  • Anatomic Pathology & Clinical Pathology Physician
  • Duluth, MN
  • NPI 1073663365
  Medicare reassignment Care Compare group NPD
• Allen Brent Mendez, M.D.

  • Anatomic Pathology & Clinical Pathology Physician
  • Redding, CA
  • NPI 1437440815

  MN

  Medicare reassignment Care Compare group NPD
• David Jon Blomberg, MD

  • Anatomic Pathology & Clinical Pathology Physician
  • Duluth, MN
  • NPI 1568471647
  NPD (past)
• Randolph K. Peterson, M.D.

  • Anatomic Pathology & Clinical Pathology Physician
  • Edina, MN
  • NPI 1053380204
  NPD (past)
• Patrick Andrew Twomey

  • Anatomic Pathology & Clinical Pathology Physician
  • Duluth, MN
  • NPI 1972537215
  NPD (past)

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

{
    "created_epoch": "1144368000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1743984000000",
    "number": "1891758314",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "915 E 1ST ST",
            "city": "DULUTH",
            "state": "MN",
            "postal_code": "558052107",
            "telephone_number": "218-249-5208",
            "fax_number": "218-726-3007"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1346 W ARROWHEAD RD",
            "city": "DULUTH",
            "state": "MN",
            "postal_code": "558112218",
            "telephone_number": "800-288-8325",
            "fax_number": "218-726-3007"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "LABORATORY MEDICINE SPECIALISTS OF DULUTH",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-04-07",
        "last_updated": "2025-04-07",
        "certification_date": "2025-04-07",
        "status": "A",
        "authorized_official_last_name": "LUNDEEN",
        "authorized_official_first_name": "SARAH",
        "authorized_official_title_or_position": "TREASURER",
        "authorized_official_telephone_number": "800-288-8325",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207ZP0102X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "291U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Medical Laboratory",
            "state": "MN",
            "license": "854",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "US POSTAL SERVICE",
            "identifier": "218893600",
            "state": "MN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTHPARTNERS",
            "identifier": "2098",
            "state": "MN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ATRIUM GROUP HEALTH",
            "identifier": "3986",
            "state": "WI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICA",
            "identifier": "1133017",
            "state": "MN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UCARE",
            "identifier": "10447D011",
            "state": "MN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUES",
            "identifier": "42512LA",
            "state": "MN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "32787100",
            "state": "WI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AMERICA PPO",
            "identifier": "596145",
            "state": "MN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "342312300",
            "state": "MN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Heidi Elaine L'Esperance, M.D.
• Levi Garrett La Porte, APRN/CRNA
• Luu N La
• Alexandra Leigh Laber, PA-C
• Michael Thomas Laberge, M.D.
• Sarah Marie Lach, PA-C
• Jonathan Lacore, PA-C
• Robert David Lacosse, DDS
• Mary Casey Ladd, LICSW
• Christopher J Lafleur, CRNA

• Anatomic Pathology & Clinical Pathology Physician in Duluth, MN
• Providers in Duluth, MN by specialty
• Anatomic Pathology & Clinical Pathology Physician in Minnesota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 7, 2025; 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.