Dr Karl William Doerfer, MD - Medicare Otolaryngology in Milwaukee, WI

Dr Karl William Doerfer, MD is a medicare enrolled "Otolaryngology - Otology & Neurotology" physician in Milwaukee, Wisconsin. He graduated from medical school in 2014 and has 10 years of diverse experience with area of expertise as Otolaryngology. He is a member of the group practice The Medical College Of Wisconsin Inc and his current practice location is 9200 W Wisconsin Ave Fl 3, Milwaukee, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (414) 805-5580.

Dr Karl William Doerfer is licensed to practice in Wisconsin (license number 64553-20) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1104245018.

Contact Information

Dr Karl William Doerfer, MD
9200 W Wisconsin Ave Fl 3,
Milwaukee, WI 53226-3522
(414) 805-5580
(414) 476-4701

Map and Direction




Physician's Profile

Full NameDr Karl William Doerfer
GenderMale
SpecialityOtolaryngology
Experience10 Years
Location9200 W Wisconsin Ave Fl 3, Milwaukee, Wisconsin
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Karl William Doerfer graduated from medical school in 2014
  NPI Data:
  • NPI Number: 1104245018
  • Provider Enumeration Date: 04/08/2014
  • Last Update Date: 10/11/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 3476841008
  • Enrollment ID: I20220711001112

Medical Identifiers

Medical identifiers for Dr Karl William Doerfer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1104245018NPI-NPPES
11042245018MedicaidWI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207YP0228XOtolaryngology - Pediatric Otolaryngology 64553 (Wisconsin)Secondary
207YX0901XOtolaryngology - Otology & Neurotology 64553-20 (Wisconsin)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Froedtert Memorial Lutheran HospitalMilwaukee, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
The Medical College Of Wisconsin Inc26683843711736

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Karl William Doerfer allows following entities to bill medicare on his behalf.
Entity NameThe Medical College Of Wisconsin Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699720086
PECOS PAC ID: 2668384371
Enrollment ID: O20031120000259

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Karl William Doerfer is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Karl William Doerfer, MD
9200 W Wisconsin Ave,
Wauwatosa, WI 53226-3522

Ph: (773) 343-6303
Dr Karl William Doerfer, MD
9200 W Wisconsin Ave Fl 3,
Milwaukee, WI 53226-3522

Ph: (414) 805-5580

Reviews and Comments


Otolaryngology Doctors in Milwaukee, WI

Dr. Cecille G Sulman, MD
Otolaryngology
Medicare: Medicare Enrolled
Practice Location: 9000 W Wisconsin Ave, Division Of Pediatric Otolaryngology, Milwaukee, WI 53226
Phone: 414-266-6467    Fax: 414-266-2693
Dr. Michael Gorelik,
Otolaryngology
Medicare: Medicare Enrolled
Practice Location: 9000 W Wisconsin Ave, Milwaukee, WI 53226
Phone: 414-266-2982    Fax: 414-266-6989
Dr. William F Prudlow, MD
Otolaryngology
Medicare: Not Enrolled in Medicare
Practice Location: 9200 West Wisconsin, Froedtert & Med College Clin - West, Milwaukee, WI 53226
Phone: 414-805-3666    
Shishir N Sheth,
Otolaryngology
Medicare: Accepting Medicare Assignments
Practice Location: 3003 W Good Hope Rd, Milwaukee, WI 53209
Phone: 414-352-3100    Fax: 414-247-4841
S. Fredric Horwitz I, M.D.
Otolaryngology
Medicare: Not Enrolled in Medicare
Practice Location: 2350 W Villard Ave, # 207, Milwaukee, WI 53209
Phone: 414-527-9800    Fax: 414-527-9803
Dr. Michael Edward Stadler, MD
Otolaryngology
Medicare: Accepting Medicare Assignments
Practice Location: 9200 W Wisconsin Ave, Department Of Otolaryngology, Milwaukee, WI 53226
Phone: 414-805-5580    Fax: 414-805-8324

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.