National Provider Identifier

Tonya L Previglian, CRNA

Tonya L Previglian, CRNA is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist in Olean, NY and a listed phone number of (716) 373-2600.

NPI 1659443059Olean, NYCertified Registered Nurse Anesthetist

Source: public NPPES record, last updated August 18, 2026. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.

Profile Overview

NPI
1659443059
Provider Type
Individual
Primary Specialty
Certified Registered Nurse Anesthetist
Enumeration Date
November 14, 2006
Last Updated
August 18, 2026

Practice Location

  • 515 Main St
  • Olean, NY 14760-1513

Phone: (716) 373-2600

Mailing Address

  • 4511 Harlem RD Rm 3
  • Amherst, NY 14226-3822

Specialties

  • Certified Registered Nurse Anesthetist (367500000X)

Browse Similar Providers

See more providers in the Nurse Anesthetist, Certified Registered classification in Olean, NY.

Open Nurse Anesthetist, Certified Registered providers in Olean, NY

Medicare Part B Activity

Reported 11 Medicare fee-for-service service lines in 2024.

Peer comparison

Compared to Nurse Anesthetist, Certified Registered providers in the Buffalo, NY metro area.

This provider is in the 0th percentile for Medicare service volume.

Lower volume than many peers.

Performs 78% fewer Medicare services than the peer median.

Higher than 0 of 98 peers.

Activity Percentile
0.0%
Rank by Services
90 of 98
Total Services
11
Est. Allowed Value
$577.05
Dataset Year
2024
Drug Code Share
0.0%

Estimated allowed value reflects Medicare fee-for-service allowed amounts only. It does not include Medicare Advantage, commercial insurance, cash-pay services, or employment compensation.

Peers are grouped by the broader Nurse Anesthetist, Certified Registered classification rather than the exact subspecialty label shown elsewhere on the page.

Percentile distribution

Lowest-volume peersThis providerHighest-volume peers
0%10%20%30%40%50%60%70%80%90%+

Each bar represents a 10-point percentile band of peers by total Medicare services for Nurse Anesthetist, Certified Registered across the Buffalo, NY metro area. Taller bars indicate higher service-volume bands. Highlighted bar marks this provider's percentile band.

Observed service range: 11 to 714 total Medicare services.

Top Clinical Services

Biography

Tonya L. Previglian, CRNA, is a Western New York nurse anesthetist with nearly three decades of anesthesia experience. She is listed with Great Lakes Anesthesiology PC and affiliated with Olean General Hospital; her background also includes Buffalo-area anesthesia practice settings such as Buffalo Surgery Center, Niagara Frontier Anesthesia Services, and Buffalo Anesthesia Associates.

Full Record
NPI
1659443059
Entity Type
Individual
Last Name
Previglian
First Name
Tonya
Middle Name
L
Credential
CRNA
Mailing Street Address
4511 Harlem RD Rm 3
Mailing City
Amherst
Mailing State
NY
Mailing ZIP Code
14226-3822
Mailing Country
US
Mailing Phone
(716) 886-0444
Mailing Fax
(716) 885-7070
Practice Street Address
515 Main St
Practice City
Olean
Practice State
NY
Practice ZIP Code
14760-1513
Practice Country
US
Practice Phone
(716) 373-2600
Enumeration Date
November 14, 2006
Last Updated
August 18, 2026
Sex
Female
Sole Proprietor
No
Certification Date
August 18, 2026
Taxonomies
Certified Registered Nurse Anesthetist (367500000X)