MS. LISA A O'BRIEN PA
NPI 1780637538
Physician Assistant in Oak Creek, WI

Active since May 19, 2006PECOS Enrolled
200 E RYAN RD, OAK CREEK, WI 53154(414) 570-3590 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018 (2 updates tracked since 2018).

About Ms. Lisa A O'brien Pa NPPES

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

MS. LISA A O'BRIEN PA (NPI 1780637538) is an individual physician assistant in Oak Creek, Wisconsin, licensed in Wisconsin (1924) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Milwaukee.

NPPES Registry Identity

NPI1780637538
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMS. LISA A O'BRIENCredential: PA
Location Address200 E RYAN RDOak Creek, WI 53154-4563
Mailing Address200 E Ryan RdOak Creek, WI 53154-4563 · (414) 570-3590
Sole ProprietorNo
Enumeration DateMay 19, 2006
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
NPI 1780637538 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in WI · 1924
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
200 E RYAN RD, Oak Creek, WI 53154

Secondary Practice Location 1

Location 1Family Medicine Primary Care 4th Fl, 9200 West Wisconsin AvenueMilwaukee, WI 53226 · Phone (414) 805-3666

Other Identifiers 1

Medicaid42876500WI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Ms. Lisa A O'brien Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53154 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
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
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.

Physician Assistant
200 E RYAN RD
OAK CREEK, WI 53154
Pediatrics
200 E RYAN RD
OAK CREEK, WI 53154
Family Medicine
200 E RYAN RD
OAK CREEK, WI 53154
Family Medicine
200 E RYAN RD
OAK CREEK, WI 53154
Physical Therapist
200 E RYAN RD
OAK CREEK, WI 53154
Psychiatry & Neurology (Neurology)
200 E RYAN RD
OAK CREEK, WI 53154
Emergency Medicine
200 E RYAN RD
OAK CREEK, WI 53154
Orthopaedic Surgery (Foot and Ankle Surgery)
200 E RYAN RD
OAK CREEK, WI 53154

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 Lisa O'brien's NPI number?

The NPI number for Lisa O'brien is 1780637538. It was assigned to this individual provider in the NPPES registry on May 19, 2006.

Where is Lisa O'brien located?

Lisa O'brien practices at 200 E Ryan Rd, Oak Creek, WI 53154. The listed phone number is (414) 570-3590.

What is Lisa O'brien's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Lisa O'brien enrolled in Medicare?

Yes. Lisa O'brien is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Lisa O'brien was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.