Sami Atassi M.D. Ltd
NPI 1598847006 · Hematology & Oncology Physician · Chicago, IL
Sami Atassi M.D. Ltd is a Hematology & Oncology Physician organization in Chicago, IL (NPI 1598847006).
Provider details
- NPI number
- 1598847006
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sami Atassi, President(312) 326-6666
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-10-20
- Last updated
- 2020-08-22
Frequently asked questions
- What is Sami Atassi M.D. Ltd's NPI number?
- Sami Atassi M.D. Ltd's National Provider Identifier (NPI) is 1598847006, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sami Atassi M.D. Ltd?
- Sami Atassi M.D. Ltd is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Sami Atassi M.D. Ltd located?
- Sami Atassi M.D. Ltd's practice location on file with NPPES is 2600 S Michigan Ave, Chicago, IL 60616.
- What is Sami Atassi M.D. Ltd's phone number?
- The practice phone number listed in the NPPES registry for Sami Atassi M.D. Ltd is (312) 326-6666.
- Who is the authorized official for Sami Atassi M.D. Ltd?
- The authorized official listed on Sami Atassi M.D. Ltd's NPPES record is Sami Atassi, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sami Atassi M.D. Ltd's NPI active?
- Yes — Sami Atassi M.D. Ltd's NPI (1598847006) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.