Doctor profile · Federal record
Dr. Karl Doerfer, MD
Otology & Neurotology Physician (CMS: Otolaryngology) · Pediatric Otolaryngology Physician · Milwaukee, WI
- NPI 1104245018
- Accepts Medicare
- MIPS 80.5 / 100 · 2023
- 12 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
9200 W Wisconsin Ave Fl 3
Milwaukee, WI 532263522
(414) 805-5580
fax (414) 476-4701 - Additional location
-
9000 W Wisconsin Ave
Milwaukee, WI 532264874
(414) 266-2982
fax (414) 266-6989 - Mailing address
-
9200 W Wisconsin Ave
Wauwatosa, WI 532263522
Credentials & registration
- NPI registered
- April 2014 — 12 yrs on file
- Profile last updated
- October 11, 2022
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207YX0901X — NUCC code
- State licenses (2)
- Wisconsin #64553-20 · Wisconsin #64553
- Medicaid
- WI #11042245018
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104245018. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
324
Distinct HCPCS
6
Medicare allowed
$19,691
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92504 |
Exam of ear using a microscope | 78 | 64 | $9 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 76 | 49 | $62 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 55 | 47 | $91 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 51 | 51 | $121 | |
69210 |
Removal of impacted ear wax | 39 | 33 | $30 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 25 | 25 | $77 |
In context: peer comparison
Among 2 peers in Milwaukee Otology & Neurotology Physician, average services per provider: 31. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$264
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Integra LifeSciences Corporation | 2 | $165.16 | |
| Cochlear Americas | 1 | $98.57 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
72
Patients
54
Total drug cost
$7,163
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ofloxacin | Generic | 38 | 27 | $1,353 |
| Ciprofloxacin-Dexamethasone (Ciprofloxacin Hcl/Dexameth) | Brand | 34 | 27 | $5,809 |
Hospital affiliations
Frequently asked questions
What is Dr. Karl Doerfer's medical specialty?
Dr. Karl Doerfer practices Otology & Neurotology Physician in Milwaukee, WI.
Where does Dr. Karl Doerfer practice?
Dr. Karl Doerfer practices at 9200 W Wisconsin Ave Fl 3, Milwaukee, WI 532263522. Office phone: 4148055580.
What is Dr. Karl Doerfer's NPI?
Dr. Karl Doerfer's National Provider Identifier (NPI) is 1104245018, issued by NPPES.
Does Dr. Karl Doerfer accept Medicare assignment?
Yes. Dr. Karl Doerfer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karl Doerfer commonly perform?
Top Medicare-reported procedures in 2023: Exam of ear using a microscope (HCPCS 92504); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.