Dr Timothy W Westlake, MD - Medicare Emergency Medicine in Oconomowoc, WI

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Dr Timothy W Westlake, MD is a medicare enrolled "Emergency Medicine" physician in Oconomowoc, Wisconsin. He went to Medical College Of Wisconsin and graduated in 1995 and has 29 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Lake Country Emergency Physicians and his current practice location is 791 E Summit Ave, Oconomowoc, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (262) 569-0251.

Dr Timothy W Westlake is licensed to practice in Wisconsin (license number 41233-020) 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 1184600447.

Contact Information

Dr Timothy W Westlake, MD
791 E Summit Ave,
Oconomowoc, WI 53066-3844
(262) 569-0251
(262) 569-0342

Map and Direction




Physician's Profile

Full NameDr Timothy W Westlake
GenderMale
SpecialityEmergency Medicine
Experience29 Years
Location791 E Summit Ave, Oconomowoc, 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 Timothy W Westlake attended and graduated from Medical College Of Wisconsin in 1995
  NPI Data:
  • NPI Number: 1184600447
  • Provider Enumeration Date: 12/19/2005
  • Last Update Date: 12/21/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 3870556046
  • Enrollment ID: I20100921000299

Medical Identifiers

Medical identifiers for Dr Timothy W Westlake such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1184600447NPI-NPPES
32580800MedicaidWI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 41233-020 (Wisconsin)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Oconomowoc Memorial HospitalOconomowoc, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Lake Country Emergency Physicians43856075558

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 Timothy W Westlake allows following entities to bill medicare on his behalf.
Entity NameEmergency Medical Associates Llp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861483190
PECOS PAC ID: 0648242065
Enrollment ID: O20040806000968
Entity NameLake Country Emergency Physicians
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720060585
PECOS PAC ID: 4385607555
Enrollment ID: O20041109000212

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 Timothy W Westlake 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 Timothy W Westlake, MD
6400 Industrial Loop,
Greendale, WI 53129-2452

Ph: (414) 423-4100		Dr Timothy W Westlake, MD
791 E Summit Ave,
Oconomowoc, WI 53066-3844

Ph: (262) 569-0251

Reviews and Comments


Emergency Medicine Doctors in Oconomowoc, WI

Paul H Rehnstrom, D.O.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 791 E Summit Ave, Oconomowoc, WI 53066
Phone: 262-569-0251    Fax: 262-569-0342
Jeffery N Glaspy, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1284 N Summit Ave, Oconomowoc, WI 53066
Phone: 262-569-3080    Fax: 770-237-1723
Timothy J Hill, M.D.
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 791 E Summit Ave, Oconomowoc, WI 53066
Phone: 262-569-0251    Fax: 262-569-0342

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.