Daniel J Laszlo, MD

Primary specialty

Allergy & Immunology PhysicianTaxonomy code 207K00000X

License

27585 Issued in CO

Practice address

608 E Harmony Rd
Suite 101
Fort Collins, CO 80525-3210

Phone

(970) 204-9069

Fax

(970) 624-3021

NPI assigned

Nov 22, 2005

Last updated

Sep 29, 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 4

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

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.

• Big Thompson Medical Group Inc

  • Family Medicine Physician
  • Loveland, CO
  • NPI 1114117876
  NPD (past)
• Big Thompson Medical Group Inc.

  • Obstetrics & Gynecology Physician
  • Loveland, CO
  • NPI 1275823510
  NPD (past)
• Big Thompson Medical Group Inc.

  • Multi-Specialty Clinic/Center
  • Fort Collins, CO
  • NPI 1538459383
  NPD (past)
• Big Thompson Medical Group Inc.

  • Multi-Specialty Clinic/Center
  • Loveland, CO
  • NPI 1740571017
  NPD (past)
• Colorado Allergy and Asthma Centers, PC

  • Specialist
  • Brighton, CO
  • NPI 1992377675
  NPD (past)

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

{
    "created_epoch": "1132617600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790640000000",
    "number": "1881677003",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1627 E 18TH ST",
            "city": "LOVELAND",
            "state": "CO",
            "postal_code": "805384209",
            "telephone_number": "970-663-0135",
            "fax_number": "970-461-1422"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "608 E HARMONY RD",
            "address_2": "SUITE 101",
            "city": "FORT COLLINS",
            "state": "CO",
            "postal_code": "805253210",
            "telephone_number": "970-204-9069",
            "fax_number": "970-624-3021"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LASZLO",
        "first_name": "DANIEL",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-22",
        "last_updated": "2026-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207K00000X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology",
            "state": "CO",
            "license": "27585",
            "primary": true
        },
        {
            "code": "207K00000X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology",
            "state": "NE",
            "license": "20303",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM BCBS",
            "identifier": "LAA1088",
            "state": "CO"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "806900600",
            "state": "ID"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110248600",
            "state": "WY"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01275858",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Dennis G Larson, M.D.
• Rebecca Larson, RT (R) ARRT
• Robert James Larson, OD
• Laser Vision of Fort Collins
• Anne Renee Lassiter, PA-C
• Havesh Latchman
• Linda Fricke Latelle, RN
• Chelsea Marie Lattif
• Emily Lau
• Sarah Laub, MSW, LCSW

• Allergy & Immunology Physician in Fort Collins, CO
• Providers in Fort Collins, CO by specialty
• Allergy & Immunology Physician in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.