Alan David Laszczynski, D.O.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

1485 Issued in SC

Practice address

185 Lott CT
West Columbia, SC 29169-3051

Phone

(803) 719-4050

NPI assigned

Jun 6, 2011

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

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.

• Georgetown Treatment Specialists LLC

  • Methadone Clinic
  • Georgetown, SC
  • NPI 1134856214
  NPD
• Lexington Treatment Specialists LLC

  • Methadone Clinic
  • West Columbia, SC
  • NPI 1891270872
  NPD
• Sumter Treatment Specialists LLC

  • Methadone Clinic
  • Sumter, SC
  • NPI 1831730928
  NPD
• Upstate Treatment Specialists LLC

  • Methadone Clinic
  • Spartanburg, SC
  • NPI 1235909367
  NPD
• Myrtle Beach Treatment Specialists LLC

  • Methadone Clinic
  • Myrtle Beach, SC
  • NPI 1922676998
  NPD (past)

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

{
    "created_epoch": "1307318400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789084800000",
    "number": "1104110329",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "185 LOTT CT",
            "city": "WEST COLUMBIA",
            "state": "SC",
            "postal_code": "291693051",
            "telephone_number": "803-719-4050"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "185 LOTT CT",
            "city": "WEST COLUMBIA",
            "state": "SC",
            "postal_code": "291693051",
            "telephone_number": "803-719-4050"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LASZCZYNSKI",
        "first_name": "ALAN",
        "middle_name": "DAVID",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2011-06-06",
        "last_updated": "2026-09-11",
        "certification_date": "2026-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "SC",
            "license": "1485",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MCARE PTAN",
            "identifier": "SC3560E243",
            "state": "SC"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "014852",
            "state": "SC"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sharon Belinda Langley, DOCTOR OF AUDIOLOGY
• Amber Blythe Lanier, PA-C
• Patrick L. Laporte, MD
• Hye Chin Lara, BC-HIS
• Madeline Anne Larson, MD
• Laurel Crest Retirement Community
• Laurelcrest
• Kathleen Law, APRN
• Joshua D. Lawson, MD
• Kristin Leigh Lawson, LISW-CP

• All providers in West Columbia, SC
• Internal Medicine Physician in South Carolina

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.