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DR. KARL WILLIAM DOERFER MD
NPI 1104245018
Otolaryngology - Otology & Neurotology in Milwaukee, WI

Active since April 08, 2014PECOS EnrolledAccepts Medicare Assignment
80.46/100
CMS Quality Rating
9200 W WISCONSIN AVE FL 3, MILWAUKEE, WI 53226(414) 805-5580(414) 476-4701 Get Directions Write a Review

NPPES record last updated: October 11, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 11, 2022, Jul 8, 2022, May 21, 2022 and 1 more (4 updates tracked since 2020).

About Dr. Karl William Doerfer Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KARL WILLIAM DOERFER MD (NPI 1104245018) is an individual otology & neurotology provider in Milwaukee, Wisconsin, licensed in Wisconsin (64553-20) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Community Memorial Hospital, and maintains a secondary practice location in Milwaukee.

NPPES Registry Identity

NPI1104245018
Entity TypeIndividualMale
Primary Taxonomy207YX0901X
Provider Legal NameDR. KARL WILLIAM DOERFERCredential: MD
Location Address9200 W WISCONSIN AVE FL 3Milwaukee, WI 53226-3522
Mailing Address9200 W Wisconsin AveWauwatosa, WI 53226-3522 · (773) 343-6303
Phone(414) 805-5580
Fax(414) 476-4701
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateApril 8, 2014
Last NPPES UpdateOctober 11, 20224 updates tracked since enumeration
NPPES CertifiedOctober 11, 2022
✔ NPI 1104245018 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOtolaryngology · Otology & NeurotologyAllopathic & Osteopathic Physicians
Taxonomy Code207YX0901X
License✔ Licensed in WI · 64553-20
Definition
An otolaryngologist who treats diseases of the ear and temporal bone, including disorders of hearing and balance. The additional training in otology and neurotology emphasizes the study of embryology, anatomy, physiology, epidemiology, pathophysiology, pathology, genetics, immunology, microbiology and the etiology of diseases of the ear and temporal bone.
Also ListedOtolaryngology · Pediatric OtolaryngologyTaxonomy 207YP0228X · License 64553 (WI)
9200 W WISCONSIN AVE FL 3, Milwaukee, WI 53226
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Secondary Practice Location 1

Location 19000 W Wisconsin AveMilwaukee, WI 53226-4874 · Phone (414) 266-2982 · Fax (414) 266-6989

Other Identifiers 1

Medicaid11042245018WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Karl William Doerfer Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3476841008
PECOS Enrollment IDI20220711001112
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
79 services57 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
45 services40 patients
Removal of impacted ear wax 69210
Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.
40 services29 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
31 services31 patients
Exam of ear using a microscope 92504
An exam of the ear using a microscope allows a detailed view of the ear structures. This non-invasive procedure helps identify issues such as infections, blockages, or ear damage. It's a safe, quick, and painless way to evaluate ear health.
21 services20 patients
Incision of eardrum with insertion of eardrum tube under local or topical anesthesia 69433
This procedure, known as a Myringotomy with Tube Insertion, involves making a small incision in the eardrum to drain fluid and relieve pressure. A tiny tube is then placed in the eardrum to prevent future fluid buildup. It's done under local or topical anesthesia.
12 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Community Memorial Hospital

Acute Care Hospitals · Menomonee Falls, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520103
LocationW180 N8085 Town Hall RdMenomonee Falls, WI 53051 · Waukesha County
Emergency services

Froedtert Memorial Lutheran Hospital

Acute Care Hospitals · Milwaukee, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520177
Location9200 W Wisconsin AveMilwaukee, WI 53226 · Milwaukee County
Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.46/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality66.24
Promoting Interoperability100
Improvement Activities40
Cost68.64

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karl Doerfer's NPI number?

The NPI number for Karl Doerfer is 1104245018. It was assigned to this individual provider in the NPPES registry on April 8, 2014.

Where is Karl Doerfer located?

Karl Doerfer practices at 9200 W Wisconsin Ave Fl 3, Milwaukee, WI 53226. The listed phone number is (414) 805-5580.

What is Karl Doerfer's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Otology & Neurotology, with taxonomy code 207YX0901X.

Is Karl Doerfer enrolled in Medicare?

Yes. Karl Doerfer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Karl Doerfer accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health and 1 other insurer list Karl Doerfer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Karl Doerfer affiliated with any hospitals?

According to CMS data, Karl Doerfer is affiliated with Community Memorial Hospital and Froedtert Memorial Lutheran Hospital.

When was this NPI record last updated?

The NPPES record for Karl Doerfer was last updated on October 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.