Northwestern Memorial Healthcare
NPI 1689560393 · Hematology & Oncology Physician · Chicago, IL
Northwestern Memorial Healthcare is a Hematology & Oncology Physician organization in Chicago, IL (NPI 1689560393).
Provider details
- NPI number
- 1689560393
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Orsini, Authorized Official(312) 926-4777
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
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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
Other names (DBA / former)
- Doing business as
- Northwestern Memorial Hospital Cancer Infusion Center
- Doing business as
- Northwestern Memorial Hospital Infusion
- Doing business as
- Northwestern Memorial Hospital Infusion Center
- Doing business as
- Northwestern Memorial Hospital Lab/Port Draw
Additional practice locations (2)
- 676 N Saint Clair St Ste 2100Chicago, IL 60611-2993Phone: (312) 695-0990
- 250 E Superior St Ste 5-2401Chicago, IL 60611-2914Phone: (312) 695-0990Fax: (312) 472-4414
Registry dates
- Enumerated
- 2025-06-17
- Last updated
- 2025-07-11
- Certified
- 2025-07-01
Frequently asked questions
- What is Northwestern Memorial Healthcare's NPI number?
- Northwestern Memorial Healthcare's National Provider Identifier (NPI) is 1689560393, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Northwestern Memorial Healthcare?
- Northwestern Memorial Healthcare is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Northwestern Memorial Healthcare located?
- Northwestern Memorial Healthcare's practice location on file with NPPES is 675 N Saint Clair St Ste 17, Chicago, IL 60611-5975.
- What is Northwestern Memorial Healthcare's phone number?
- The practice phone number listed in the NPPES registry for Northwestern Memorial Healthcare is (312) 695-0990.
- Who is the authorized official for Northwestern Memorial Healthcare?
- The authorized official listed on Northwestern Memorial Healthcare's NPPES record is John Orsini, Authorized Official. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Northwestern Memorial Healthcare's NPI active?
- Yes — Northwestern Memorial Healthcare's NPI (1689560393) is active in the NPPES registry as of the last update on 2025-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.