Doctor profile · Federal record

Dr. Tonia Whalen, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Certified Registered Nurse Anesthetist · Grafton, WI

  • NPI 1366474249
  • Accepts Medicare
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
975 Port Washington RD
Grafton, WI 530249201
(262) 329-1000
Additional location
515 22Nd Ave
Monroe, WI 535661569
(608) 324-2000
fax (608) 745-5161
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
February 13, 2024
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
367500000X — NUCC code
State licenses (2)
Wisconsin #3049 · Wisconsin #148421030
Medicaid
WI #44331700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366474249. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
20
Distinct HCPCS
1
Medicare allowed
$1,116
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 20 16 $56

In context: peer comparison

Among 2 peers in this city , average services per provider: 20. This provider delivers 1.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tonia Whalen's medical specialty?
Dr. Tonia Whalen practices Certified Registered Nurse Anesthetist in Grafton, WI.
Where does Dr. Tonia Whalen practice?
Dr. Tonia Whalen practices at 975 Port Washington RD, Grafton, WI 530249201. Office phone: 2623291000.
What is Dr. Tonia Whalen's NPI?
Dr. Tonia Whalen's National Provider Identifier (NPI) is 1366474249, issued by NPPES.
Does Dr. Tonia Whalen accept Medicare assignment?
Yes. Dr. Tonia Whalen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tonia Whalen commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142). Source: CMS Medicare Physician & Other Practitioners file.