OrganizationActive
Tony J Nahhas MD Sc
NPI 1356590137 · Internal Medicine Physician · Chicago, IL
Tony J Nahhas MD Sc is a Internal Medicine Physician organization in Chicago, IL (NPI 1356590137).
Provider details
- NPI number
- 1356590137
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Tony Nahhas, President(773) 631-5858
- License
- 036088623 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(86/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
6444 N Central Ave
Chicago, IL 60646-2935
Phone: (773) 631-5858
Fax: (773) 631-5895
Street-level locationGet directions
Mailing address
6444 N Central Ave
Chicago, IL 60646-2935
Registry dates
- Enumerated
- 2008-09-16
- Last updated
- 2008-11-10
Frequently asked questions
- What is Tony J Nahhas MD Sc's NPI number?
- Tony J Nahhas MD Sc's National Provider Identifier (NPI) is 1356590137, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Tony J Nahhas MD Sc?
- Tony J Nahhas MD Sc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tony J Nahhas MD Sc located?
- Tony J Nahhas MD Sc's practice location on file with NPPES is 6444 N Central Ave, Chicago, IL 60646-2935.
- What is Tony J Nahhas MD Sc's phone number?
- The practice phone number listed in the NPPES registry for Tony J Nahhas MD Sc is (773) 631-5858.
- Who is the authorized official for Tony J Nahhas MD Sc?
- The authorized official listed on Tony J Nahhas MD Sc's NPPES record is Tony Nahhas, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Tony J Nahhas MD Sc's NPI active?
- Yes — Tony J Nahhas MD Sc's NPI (1356590137) is active in the NPPES registry as of the last update on 2008-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.