Individual provider Active NPI

Nicholas Gara Mardirossian

  • Certified Registered Nurse Anesthetist
  • Latrobe, PA
National Provider Identifier
1700676806
Registry record updated Dec 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
RN721971 Issued in PA
Practice address
1 Mellon Way
Latrobe, PA 15650-1197
Phone
(724) 537-2638
NPI assigned
May 12, 2025
Last updated
Dec 15, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 15, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X RN721971 PA Primary

Addresses

Primary practice location

1 Mellon Way
Latrobe, PA 15650-1197

Mailing address

1 Mellon Way
Latrobe, PA 15650-1197
Phone (724) 537-2638

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260316002619 PA Practitioner - Certified Registered Nurse Anesthetist (Crna) 4880177054 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Grove City Anesthesia and Pain Management, PLLCGroup PAC ID 4688860455, 61 clinicians

Practice addresses (Care Compare)

1086 Franklin St
Johnstown, PA 15905-4305
Phone (814) 534-9000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
RN721971PAMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Grove City Anesthesia & Pain Management, PLLC CurrentSince Feb 2, 2026 Accepting new patients

Locations

1086 Franklin St
Johnstown, PA 15905
Phone (610) 250-4540

Organizations & group practices 1

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.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1747008000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765756800000",
    "number": "1700676806",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 MELLON WAY",
            "city": "LATROBE",
            "state": "PA",
            "postal_code": "156501197",
            "telephone_number": "724-537-2638"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 MELLON WAY",
            "city": "LATROBE",
            "state": "PA",
            "postal_code": "156501197",
            "telephone_number": "724-537-2638"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARDIROSSIAN",
        "first_name": "NICHOLAS",
        "middle_name": "GARA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-05-12",
        "last_updated": "2025-12-15",
        "certification_date": "2025-12-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "PA",
            "license": "RN721971",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Latrobe, PA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.