OrganizationActive
Northwestern Memorial Hospital
NPI 1861609208 · General Acute Care Hospital · Chicago, IL
Northwestern Memorial Hospital is a General Acute Care Hospital organization in Chicago, IL (NPI 1861609208).
Provider details
- NPI number
- 1861609208
- Entity type
- Organization
- Primary specialty
- General Acute Care HospitalHospitals
- Organization subpart
- No
- Authorized official
- Diane Yonan, Nurse Practitioner Neurosurgery(312) 926-5499
- License
- 209005996 (IL)
Specialties & taxonomies
Hospitals
Profile Score
Detailed profile(89/100 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
251 E Huron St
Feinberg 4-508
Chicago, IL 60611-2908
Phone: (312) 926-5499
Fax: (312) 926-7464
Street-level locationGet directions
Mailing address
849 N Franklin St
Chicago, IL 60610-3113
Registry dates
- Enumerated
- 2007-05-16
- Last updated
- 2012-02-14
Frequently asked questions
- What is Northwestern Memorial Hospital's NPI number?
- Northwestern Memorial Hospital's National Provider Identifier (NPI) is 1861609208, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Northwestern Memorial Hospital?
- Northwestern Memorial Hospital is classified in the NPPES registry as General Acute Care Hospital (Hospitals).
- Where is Northwestern Memorial Hospital located?
- Northwestern Memorial Hospital's practice location on file with NPPES is 251 E Huron St, Chicago, IL 60611-2908.
- What is Northwestern Memorial Hospital's phone number?
- The practice phone number listed in the NPPES registry for Northwestern Memorial Hospital is (312) 926-5499.
- Who is the authorized official for Northwestern Memorial Hospital?
- The authorized official listed on Northwestern Memorial Hospital's NPPES record is Diane Yonan, Nurse Practitioner Neurosurgery. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Northwestern Memorial Hospital's NPI active?
- Yes — Northwestern Memorial Hospital's NPI (1861609208) is active in the NPPES registry as of the last update on 2012-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.