Doctor profile · Federal record

Dr. John Wyllie, M.D.

Otolaryngology Physician (CMS: Otolaryngology) · Otolaryngology Physician · Otolaryngology Physician · Otolaryngology Physician · Otolaryngology Physician · Marshfield, WI

  • NPI 1831171180
  • Accepts Medicare
  • 56 yrs in practice
  • Licensed in 5 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1000 N Oak Ave
Marshfield, WI 544495702
(715) 387-5511
Additional location
456 Suite C Market Place Mall
Weston, WV 26452
(304) 517-1401
fax (304) 517-1404

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
February 16, 2024
Year of graduation
1970 — 56 yrs since
Specialty taxonomy
207Y00000X — NUCC code
State licenses (5)
Wisconsin #3816 · Ohio #35084546 · Kentucky #36803 · Minnesota #73267 · West Virginia #23086
Medicaid (2)
OH #L2496384 · WV #3810011846

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831171180. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
53
Distinct HCPCS
3
Medicare allowed
$2,448
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 24 22 $63
69210 Removal of impacted ear wax 18 17 $31
99212 Established patient office or other outpatient visit, 10-19 minutes 11 11 $34

In context: peer comparison

Among 4 peers in Marshfield Otolaryngology Physician, average services per provider: 28. This provider delivers 1.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
24
Patients
0
Total drug cost
$864
Drug Type Claims Patients Total cost
Ipratropium Bromide Generic 24 0 $864

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Wyllie's medical specialty?
Dr. John Wyllie practices Otolaryngology Physician in Marshfield, WI.
Where does Dr. John Wyllie practice?
Dr. John Wyllie practices at 1000 N Oak Ave, Marshfield, WI 544495702. Office phone: 7153875511.
What is Dr. John Wyllie's NPI?
Dr. John Wyllie's National Provider Identifier (NPI) is 1831171180, issued by NPPES.
Does Dr. John Wyllie accept Medicare assignment?
Yes. Dr. John Wyllie accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Wyllie commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Removal of impacted ear wax (HCPCS 69210); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.