Lisa O'Brien, PA
NPI 1780637538 · Physician Assistant · Oak Creek, WI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lisa O'Brien, PA is a Physician Assistant provider in Oak Creek, WI (NPI 1780637538).
Provider details
- NPI number
- 1780637538
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 1924 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$192 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- Family Medicine Primary Care 4th Fl9200 West Wisconsin AvenueMilwaukee, WI 53226Phone: (414) 805-3666
Registry dates
- Enumerated
- 2006-05-19
- Last updated
- 2022-07-21
Frequently asked questions
- What is Lisa O'Brien's NPI number?
- Lisa O'Brien's National Provider Identifier (NPI) is 1780637538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lisa O'Brien's specialty?
- Lisa O'Brien is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lisa O'Brien located?
- Lisa O'Brien's practice location on file with NPPES is 200 E Ryan Rd, Oak Creek, WI 53154-4563.
- What is Lisa O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Lisa O'Brien is (414) 570-3590.
- Does Lisa O'Brien accept Medicare?
- Lisa O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lisa O'Brien's NPI active?
- Yes — Lisa O'Brien's NPI (1780637538) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.