Tonya L Previglian, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

412948-1 Issued in NY

Practice address

515 Main St
Olean, NY 14760-1513

Phone

(716) 373-2600

NPI assigned

Nov 14, 2006

Last updated

Aug 18, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

Enrollment records 1

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

State University of New York at Buffalo School of Medicine, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Great Lakes Anesthesiology PCGroup PAC ID 7113997529, 90 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Olean General Hospital Hospital, Olean, NY, CCN 330103

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Registered Nurse

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Great Lakes Anesthesiology, PC

  • Specialist
  • Buffalo, NY
  • NPI 1306852181
  Medicare reassignment Care Compare group NPD
• Anesthesiology Medical Consultants, PLLC

  • Anesthesiology Physician
  • Buffalo, NY
  • NPI 1366487555
  Medicare reassignment NPD
• Niagara Frontier Anesthesia Services LLP

  • Certified Registered Nurse Anesthetist
  • West Seneca, NY
  • NPI 1962444505

  Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• Buffalo Surgery Center LLC

  • Ambulatory Surgical Clinic/Center
  • Amherst, NY
  • NPI 1508863242
  NPD (past)

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

• Olean General Hospital

  • General Acute Care Hospital
  • Olean, NY
  • NPI 1225083074
  Care Compare affiliation
• Olean General Hospital

  • Medicare Defined Swing Bed Hospital Unit
  • Olean, NY
  • NPI 1699715904
  Care Compare affiliation

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

{
    "created_epoch": "1163462400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787011200000",
    "number": "1659443059",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4511 HARLEM RD RM 3",
            "city": "AMHERST",
            "state": "NY",
            "postal_code": "142263822",
            "telephone_number": "716-886-0444",
            "fax_number": "716-885-7070"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "515 MAIN ST",
            "city": "OLEAN",
            "state": "NY",
            "postal_code": "147601513",
            "telephone_number": "716-373-2600"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3095 Harlem Rd",
            "address_purpose": "LOCATION",
            "city": "Cheektowaga",
            "state": "NY",
            "postal_code": "142252500",
            "country_code": "US",
            "telephone_number": "716-896-3815",
            "fax_number": "716-896-3015",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4185 Seneca St",
            "address_2": "Suite 11",
            "address_purpose": "LOCATION",
            "city": "West Seneca",
            "state": "NY",
            "postal_code": "142243565",
            "country_code": "US",
            "telephone_number": "716-674-8189",
            "fax_number": "716-712-0469",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3921 Sheridan Dr",
            "address_purpose": "LOCATION",
            "city": "Amherst",
            "state": "NY",
            "postal_code": "142261747",
            "country_code": "US",
            "telephone_number": "716-250-6520",
            "fax_number": "716-850-6565",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PREVIGLIAN",
        "first_name": "TONYA",
        "middle_name": "L",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-11-14",
        "last_updated": "2026-08-18",
        "certification_date": "2026-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "NY",
            "license": "412948-1",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Wade Rea Porterfield, M.D.
• Mary Anne Power, RN
• Thomas C Power
• Troy A Prather, CRNA
• Premo Limousine Service of Wny LLC
• Priya Mohanty Medical Practice PLLC
• Robert John Prizel, RPH
• Prizels Pharmacy LLC
• Dannielle L Proctor, MS
• Donald Anthony Proto, DDS

• Certified Registered Nurse Anesthetist in Olean, NY
• Providers in Olean, NY by specialty
• Certified Registered Nurse Anesthetist in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 2026; 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.