DR. OMAR DANY NAHHAS M.D.
NPI 1154779858
Internal Medicine - Cardiovascular Disease in Summit, WI

Active since June 03, 2016PECOS EnrolledAccepts Medicare Assignment
36500 AURORA DR, SUMMIT, WI 53066(262) 434-1000 Get Directions Write a Review

NPPES record last updated: June 23, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 23, 2025, Jul 15, 2021, May 7, 2020 (3 updates tracked since 2020).

About Dr. Omar Dany Nahhas M.d. NPPES

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

DR. OMAR DANY NAHHAS M.D. (NPI 1154779858) is an individual cardiovascular disease provider in Summit, Wisconsin, licensed in Wisconsin (75444-20) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1154779858
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. OMAR DANY NAHHASCredential: M.D.
Location Address36500 AURORA DRSummit, WI 53066-4899
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateJune 3, 2016
Last NPPES UpdateJune 23, 20253 updates tracked since enumeration
NPPES CertifiedJune 23, 2025
NPI 1154779858 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in WI · 75444-20
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 11018689A (IN), 297650 (NY)
36500 AURORA DR, Summit, WI 53066

Secondary Practice Locations 3

Location 11120 W Michigan St, CL 630Indianapolis, IN 46202-5209 · Phone (317) 278-2689 · Fax (317) 278-2650
Location 21275 York AveNew York, NY 10065-6007 · Phone (212) 639-2000
Location 3950 N 12th St # A-205Milwaukee, WI 53233-1306 · Phone (920) 400-0180

Other Identifiers 1

Medicaid100317197WI

Accepted Insurance

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. Omar Dany Nahhas 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 ID5890088504
PECOS Enrollment IDI20250423001469
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.

Hospital Affiliations CMS Care Compare 4

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

Aurora Medical Ctr Washington County

Acute Care Hospitals · Hartford, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520038
Location1032 E Sumner StHartford, WI 53027 · Washington County
Emergency services

Aurora St Lukes Medical Center

Acute Care Hospitals · Milwaukee, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520138
Location2900 W Oklahoma AveMilwaukee, WI 53215 · Milwaukee County
Emergency services Birthing friendly

Aurora Medical Center - Summit

Acute Care Hospitals · Summit, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520206
Location36500 Aurora DriveSummit, 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
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
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.

Internal Medicine (Critical Care Medicine)
36500 AURORA DR
SUMMIT, WI 53066
Hospitalist
36500 AURORA DR
SUMMIT, WI 53066
Physician Assistant
36500 AURORA DR
SUMMIT, WI 53066
Preventive Medicine (Undersea and Hyperbaric Medicine)
36500 AURORA DR, DEPARTMENT OF WOUND CARE/HYPERBARIC MEDICINE 3RD FLOOR
SUMMIT, WI 53066
Physical Therapist
36500 AURORA DR
SUMMIT, WI 53066
Internal Medicine (Critical Care Medicine)
36500 AURORA DR
SUMMIT, WI 53066
Nurse Practitioner
36500 AURORA DR
SUMMIT, WI 53066
Emergency Medicine
36500 AURORA DR
SUMMIT, WI 53066

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 Nahhas's NPI number?

The NPI number for Omar Nahhas is 1154779858. It was assigned to this individual provider in the NPPES registry on June 3, 2016.

Where is Omar Nahhas located?

Omar Nahhas practices at 36500 Aurora Dr, Summit, WI 53066. The listed phone number is (262) 434-1000.

What is Omar Nahhas's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Omar Nahhas enrolled in Medicare?

Yes. Omar Nahhas 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.

What insurance does Omar Nahhas accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Quartz and 1 other insurer list Omar Nahhas 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 Nahhas affiliated with any hospitals?

According to CMS data, Omar Nahhas is affiliated with Waukesha Memorial Hospital, Aurora Medical Ctr Washington County, Aurora St Lukes Medical Center and Aurora Medical Center - Summit.

When was this NPI record last updated?

The NPPES record for Omar Nahhas was last updated on June 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.