DR. TIMOTHY W WESTLAKE M.D.
NPI 1184600447
Emergency Medicine in Oconomowoc, WI

Q: What is Timothy Westlake's NPI number?

The NPI number for Timothy Westlake is 1184600447. It was assigned to this individual provider in the NPPES registry on December 19, 2005.

Q: What is Timothy Westlake's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Timothy Westlake was last updated on December 21, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since December 19, 2005PECOS EnrolledAccepts Medicare Assignment

791 E SUMMIT AVE, OCONOMOWOC, WI 53066(262) 569-0251(262) 569-0342 Get Directions Write a Review

NPPES record last updated: December 21, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Timothy W Westlake M.d. NPPES

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

DR. TIMOTHY W WESTLAKE M.D. (NPI 1184600447) is an individual emergency medicine provider in Oconomowoc, Wisconsin, licensed in Wisconsin (41233-020) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and is a graduate of Medical College Of Wisconsin (1995).

NPPES Registry Identity

NPI1184600447

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. TIMOTHY W WESTLAKECredential: M.D.

Location Address791 E SUMMIT AVEOconomowoc, WI 53066-3844

Mailing Address6400 Industrial LoopGreendale, WI 53129-2452 · (414) 423-4100 · Fax (414) 423-4134

Phone(262) 569-0251

Fax(262) 569-0342

Sole ProprietorNo

Medical School CMSMedical College Of WisconsinGraduated 1995

Enumeration DateDecember 19, 2005

Last NPPES UpdateDecember 21, 2020

NPPES CertifiedDecember 21, 2020

✔ NPI 1184600447 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in WI · 41233-020

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

791 E SUMMIT AVE, Oconomowoc, WI 53066

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Other Identifiers 1

Medicaid32580800WI

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. Timothy W Westlake M.d. 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 ID3870556046

PECOS Enrollment IDI20100921000299

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 5

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

272 services247 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

234 services209 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

160 services152 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

136 services132 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

16 services16 patients

Hospital Affiliations CMS Care Compare 2

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

Waukesha Memorial Hospital

Acute Care Hospitals · Waukesha, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520008

Location725 American AveWaukesha, WI 53188 · Waukesha County

Emergency services Birthing friendly

Oconomowoc Memorial Hospital

Acute Care Hospitals · Oconomowoc, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520062

Location791 E Summit AveOconomowoc, WI 53066 · Waukesha County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53066 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$82.92 typical visit price

range $53.90 – $163.24

Typical copayment $20.73 (range $13.47 – $40.81)

Most-billed visit code 99203

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MICHAEL J. PHILLIPS, M.D., S.C.

Pathology (Clinical Pathology/Laboratory Medicine)