Doctor profile · Federal record

Dr. Douglas Wermuth, M.D.

Otolaryngology Physician (CMS: Otolaryngology) · Greenfield, WI

  • NPI 1871585505
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4600 W Loomis RD Ste 201
Greenfield, WI 532204858
(414) 281-4466
Additional location
10520 N Port Washington RD
Mequon, WI 530925537
(262) 240-0705
fax (262) 240-0759
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
October 10, 2023
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207Y00000X — NUCC code
State license (1)
Wisconsin #30174-20
Medicaid
WI #31496300

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871585505. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
488
Distinct HCPCS
9
Medicare allowed
$38,962
HCPCS Description Services Patients Avg allowed
69210 Removal of impacted ear wax 149 122 $43
99213 Established patient office or other outpatient visit, 20-29 minutes 93 83 $85
99203 New patient office or other outpatient visit, 30-44 minutes 90 90 $103
31575 Diagnostic exam of voice box using a flexible endoscope 42 39 $119
99212 Established patient office or other outpatient visit, 10-19 minutes 30 23 $50
99202 New patient office or other outpatient visit, 15-29 minutes 26 26 $68
99204 New patient office or other outpatient visit, 45-59 minutes 26 26 $156
99214 Established patient office or other outpatient visit, 30-39 minutes 21 20 $115
G0268 Removal of impacted cerumen (one or both ears) by physician on same date of service as audiologic function testing 11 11 $49

In context: peer comparison

Among 4 peers in Greenfield Otolaryngology Physician, average services per provider: 47. This provider delivers 10× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
253
Patients
110
Total drug cost
$7,526
Drug Type Claims Patients Total cost
Fluticasone Propionate Generic 123 60 $2,306
Ipratropium Bromide Generic 64 23 $2,987
Neomycin-Polymyxin-Hydrocort (Neomycin/Polymyxin B/Hydrocort) Brand 21 16 $1,444
Ciprofloxacin Hcl Generic 19 0 $313
Ofloxacin Generic 13 0 $399
Prednisone Generic 13 11 $77

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Wermuth's medical specialty?
Dr. Douglas Wermuth practices Otolaryngology Physician in Greenfield, WI.
Where does Dr. Douglas Wermuth practice?
Dr. Douglas Wermuth practices at 4600 W Loomis RD Ste 201, Greenfield, WI 532204858. Office phone: 4142814466.
What is Dr. Douglas Wermuth's NPI?
Dr. Douglas Wermuth's National Provider Identifier (NPI) is 1871585505, issued by NPPES.
Does Dr. Douglas Wermuth accept Medicare assignment?
Yes. Dr. Douglas Wermuth accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Wermuth commonly perform?
Top Medicare-reported procedures in 2023: Removal of impacted ear wax (HCPCS 69210); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.