Omar Nahhas, M.D.
NPI 1154779858 · Cardiovascular Disease Physician · Summit, WI
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Omar Nahhas, M.D. is a Cardiovascular Disease Physician provider in Summit, WI (NPI 1154779858).
Provider details
- NPI number
- 1154779858
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 11018689A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
4 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (3)
- 1120 W Michigan StCl 630Indianapolis, IN 46202-5209Phone: (317) 278-2689Fax: (317) 278-2650
- 1275 York AveNew York, NY 10065-6007Phone: (212) 639-2000
- 950 N 12th St # A-205Milwaukee, WI 53233-1306Phone: (920) 400-0180
Registry dates
- Enumerated
- 2016-06-03
- Last updated
- 2025-06-23
- Certified
- 2025-06-23
Frequently asked questions
- What is Omar Nahhas's NPI number?
- Omar Nahhas's National Provider Identifier (NPI) is 1154779858, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Omar Nahhas's specialty?
- Omar Nahhas is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Omar Nahhas located?
- Omar Nahhas's practice location on file with NPPES is 36500 Aurora Dr, Summit, WI 53066-4899.
- What is Omar Nahhas's phone number?
- The practice phone number listed in the NPPES registry for Omar Nahhas is (262) 434-1000.
- Does Omar Nahhas accept Medicare?
- Omar Nahhas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Omar Nahhas's NPI active?
- Yes — Omar Nahhas's NPI (1154779858) is active in the NPPES registry as of the last update on 2025-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.