Ayer Valley Operating LLC

Primary specialty

Skilled Nursing FacilityTaxonomy code 314000000X

Legal business name

AYER VALLEY OPERATING LLC

Practice address

400 Groton Rd
Ayer, MA 01432-1171

Phone

(314) 543-3800

NPI assigned

Oct 12, 2026

Last updated

Oct 12, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Nicholas E. Destefane

Title

Ceo

Phone

(314) 543-3800

Specialties & licenses 1

Addresses

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

{
    "created_epoch": "1791763200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1791763200000",
    "number": "1427953132",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1869 CRAIG PARK CT",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631464122"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 GROTON RD",
            "city": "AYER",
            "state": "MA",
            "postal_code": "014321171",
            "telephone_number": "314-543-3800"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "AYER VALLEY OPERATING LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-10-12",
        "last_updated": "2026-10-12",
        "certification_date": "2026-10-12",
        "status": "A",
        "authorized_official_last_name": "DESTEFANE",
        "authorized_official_first_name": "NICHOLAS",
        "authorized_official_middle_name": "E.",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "314-543-3800"
    },
    "taxonomies": [
        {
            "code": "314000000X",
            "taxonomy_group": "",
            "desc": "Skilled Nursing Facility",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Mary L Bakalos, M.D.
• Steven Charles Balser, M.D.
• Behavioral Milestones

• Skilled Nursing Facility in Ayer, MA
• Providers in Ayer, MA by specialty
• Skilled Nursing Facility in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.