Ian McAllister Lake, DO

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

2026031932 Issued in MO

Practice address

1 Barnes Jewish Hospital PLZ
Saint Louis, MO 63110-1003

Phone

(314) 747-3000

Fax

(314) 405-9587

NPI assigned

Apr 3, 2023

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

Medicare fee-for-service enrollment

Enrolled in PA

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

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

{
    "created_epoch": "1680480000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790640000000",
    "number": "1669177481",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 BARNES JEWISH HOSPITAL PLZ",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101003",
            "telephone_number": "314-747-3000",
            "fax_number": "314-405-9587"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 BARNES JEWISH HOSPITAL PLZ",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101003",
            "telephone_number": "314-747-3000",
            "fax_number": "314-405-9587"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "525 Branson Landing Blvd",
            "address_purpose": "LOCATION",
            "city": "Branson",
            "state": "MO",
            "postal_code": "656162052",
            "country_code": "US",
            "telephone_number": "000-000-0000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1000 E Hwy 60",
            "address_purpose": "LOCATION",
            "city": "Monett",
            "state": "MO",
            "postal_code": "657088258",
            "country_code": "US",
            "telephone_number": "000-000-0000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3801 S National Ave",
            "address_purpose": "LOCATION",
            "city": "Springfield",
            "state": "MO",
            "postal_code": "658075210",
            "country_code": "US",
            "telephone_number": "000-000-0000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1423 N Jefferson Ave",
            "address_purpose": "LOCATION",
            "city": "Springfield",
            "state": "MO",
            "postal_code": "658021917",
            "country_code": "US",
            "telephone_number": "000-000-0000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LAKE",
        "first_name": "IAN",
        "middle_name": "MCALLISTER",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-04-03",
        "last_updated": "2026-09-29",
        "certification_date": "2026-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MO",
            "license": "2026031932",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036.182011",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Lajoys Transportation Services LLC
• Lake Mi Mobile Doctors, P.C. (Mobile Doctors of St. Louis)
• Danielle Denise Lake, LPN
• Margaret Lake
• Michael Lake, CRNA
• Sandra Ann Lake, PT
• Priscilla Lakes, PHARMD
• Lakeside Behavioral Health, LLC

• Emergency Medicine Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Emergency Medicine Physician in Missouri

• 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.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.