OMAR J. DARR M.D.
NPI 1114959897
Orthopaedic Surgery in Mequon, WI
About Omar J. Darr M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OMAR J. DARR M.D. (NPI 1114959897) is an individual orthopaedic surgery provider in Mequon, Wisconsin, licensed in Wisconsin (45719) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Aurora Medical Ctr Washington County, and maintains a secondary practice location in Grafton.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Omar J. Darr 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.
Medicare Billing Reassignment
Medicare enrollment records show Omar Darr reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Milwaukee, WI 53209
- Reassigned Medicare billing, Wisconsin enrollment
- 1,615 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 8
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aurora Medical Ctr Washington County
Acute Care Hospitals · Hartford, WIAurora St Lukes Medical Center
Acute Care Hospitals · Milwaukee, WIAurora Medical Center
Acute Care Hospitals · Grafton, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53092 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MEQUON, WI 53092
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 Omar Darr's NPI number?
The NPI number for Omar Darr is 1114959897. It was assigned to this individual provider in the NPPES registry on July 6, 2006.
Where is Omar Darr located?
Omar Darr practices at 12203 N Corporate Pkwy, Mequon, WI 53092. The listed phone number is (262) 387-8300.
What is Omar Darr's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Omar Darr enrolled in Medicare?
Yes. Omar Darr is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Omar Darr's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Omar Darr reassigns Medicare benefits to Aurora Advanced Healthcare, Inc. (Milwaukee, WI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Omar Darr's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Omar Darr accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health and 2 other insurers list Omar Darr as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Omar Darr affiliated with any hospitals?
According to CMS data, Omar Darr is affiliated with Aurora Medical Ctr Washington County, Aurora St Lukes Medical Center and Aurora Medical Center.
When was this NPI record last updated?
The NPPES record for Omar Darr was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.
# Omar J. Darr, M.D. · NPI 1114959897
Orthopaedic Surgery physician in Mequon, Wisconsin. Individual provider, active in the CMS NPPES registry since July 6, 2006.
## Identity
- **NPI:** 1114959897 (Entity type: Individual)
- **Enumerated:** July 6, 2006
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** 45719 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 12203 N CORPORATE PKWY, Mequon, WI 53092-3388
- **Phone:** (262) 387-8300
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Aurora Advanced Healthcare, Inc. (NPI 1265629133, Milwaukee, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, class of 1997
## Record status
- **NPPES last updated:** October 15, 2026
- **Other identifiers:** Medicaid 34392000 (WI); Other P00762691 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1114959897) · Data from the CMS NPPES public registry.