Doctor profile · Federal record

Dr. William Wilfley, M.D.

Surgery Physician (CMS: General Surgery) · Wausau, WI

  • NPI 1619997046
  • Accepts Medicare
  • MIPS 98.4 / 100 · 2023
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2606 Stewart Ave Ste 200
Wausau, WI 544015449
(715) 847-2022
Additional location
2400 Pine Ridge Blvd
Wausau, WI 544017803
fax (715) 843-1003
Mailing address
2400 Pine Ridge Blvd
Wausau, WI 544017803

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
February 17, 2025
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Wisconsin #60454
Medicaid
WI #100031344

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619997046. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
132
Distinct HCPCS
6
Medicare allowed
$12,752
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 41 41 $159
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 41 28 $47
99214 Established patient office or other outpatient visit, 30-39 minutes 14 13 $122
99212 Established patient office or other outpatient visit, 10-19 minutes 13 12 $54
99213 Established patient office or other outpatient visit, 20-29 minutes 12 12 $86
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 11 11 $78

In context: peer comparison

Among 4 peers in this city , average services per provider: 27. This provider delivers 4.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$16
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Cook Medical LLC 1 $15.95

By nature of payment

Food and Beverage
$16

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
67
Patients
65
Total drug cost
$190
Drug Type Claims Patients Total cost
Tramadol Hcl Generic 51 51 $120
Oxycodone Hcl Generic 16 14 $70

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Wilfley's medical specialty?
Dr. William Wilfley practices Surgery Physician in Wausau, WI.
Where does Dr. William Wilfley practice?
Dr. William Wilfley practices at 2606 Stewart Ave Ste 200, Wausau, WI 544015449. Office phone: 7158472022.
What is Dr. William Wilfley's NPI?
Dr. William Wilfley's National Provider Identifier (NPI) is 1619997046, issued by NPPES.
Does Dr. William Wilfley accept Medicare assignment?
Yes. Dr. William Wilfley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Wilfley commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.