OrganizationActive
Tpn Ltd
NPI 1639180045 · Surgery Physician · Chicago, IL
Tpn Ltd is a Surgery Physician organization in Chicago, IL (NPI 1639180045).
Provider details
- NPI number
- 1639180045
- Entity type
- Organization
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Tassos Nassos, President Owner(773) 774-7224
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
7447 W Talcott Ave
Suite 436
Chicago, IL 60631-3745
Phone: (773) 774-7224
Fax: (773) 774-2550
Street-level locationGet directions
Mailing address
777 Oakmont Ln
Westmont, IL 60559-5511
Registry dates
- Enumerated
- 2006-08-10
- Last updated
- 2008-01-16
Frequently asked questions
- What is Tpn Ltd's NPI number?
- Tpn Ltd's National Provider Identifier (NPI) is 1639180045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Tpn Ltd?
- Tpn Ltd is classified in the NPPES registry as Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Tpn Ltd located?
- Tpn Ltd's practice location on file with NPPES is 7447 W Talcott Ave, Chicago, IL 60631-3745.
- What is Tpn Ltd's phone number?
- The practice phone number listed in the NPPES registry for Tpn Ltd is (773) 774-7224.
- Who is the authorized official for Tpn Ltd?
- The authorized official listed on Tpn Ltd's NPPES record is Tassos Nassos, President Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Tpn Ltd's NPI active?
- Yes — Tpn Ltd's NPI (1639180045) is active in the NPPES registry as of the last update on 2008-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.