Free State Anesthesia Services LLC

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

Legal business name

FREE STATE ANESTHESIA SERVICES LLC

Practice address

10231 Old Ocean City Blvd Ste 205
Berlin, MD 21811-3568

Phone

(914) 491-9495

NPI assigned

Jul 6, 2026

Organization subpart

No

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

Authorized official

Name

Marc E Koch, MD

Title

Authorized Official

Phone

(914) 491-9495

Specialties & licenses 1

Addresses

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

{
    "created_epoch": "1783296000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1783296000000",
    "number": "1104744523",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "450 MAMARONECK AVE STE 201",
            "city": "HARRISON",
            "state": "NY",
            "postal_code": "105282436",
            "telephone_number": "914-491-9495",
            "fax_number": "914-365-6326"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10231 OLD OCEAN CITY BLVD STE 205",
            "city": "BERLIN",
            "state": "MD",
            "postal_code": "218113568",
            "telephone_number": "914-491-9495"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "FREE STATE ANESTHESIA SERVICES LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-07-06",
        "last_updated": "2026-07-06",
        "certification_date": "2026-07-06",
        "status": "A",
        "authorized_official_last_name": "KOCH",
        "authorized_official_first_name": "MARC",
        "authorized_official_middle_name": "E",
        "authorized_official_title_or_position": "AUTHORIZED OFFICIAL",
        "authorized_official_telephone_number": "914-491-9495",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Anesthesiology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Matthew K Folstein, MD
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• Tesher Ariel Freng, PHARMD

• Anesthesiology Physician in Berlin, MD
• Providers in Berlin, MD by specialty
• Anesthesiology Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 6, 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.