Northwestern Memorial Hospital
NPI 1831298926 · Psychiatric Hospital Unit · Chicago, IL
Enrolled with Medicare as Part a Provider - Hospital · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Northwestern Memorial Hospital is a Psychiatric Hospital Unit organization in Chicago, IL (NPI 1831298926).
Provider details
- NPI number
- 1831298926
- Entity type
- Organization
- Primary specialty
- Psychiatric Hospital UnitHospital Units
- Parent organization
- Northwestern Memorial Hospital
- Organization subpart
- Yes
- Authorized official
- John Orsini, Sr. Vice President & Chief Finance(312) 926-4777
- License
- 0003251 (IL)
Specialties & taxonomies
Hospital Units
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
- 2006-09-22
- Last updated
- 2022-06-24
- Certified
- 2022-06-24
Frequently asked questions
- What is Northwestern Memorial Hospital's NPI number?
- Northwestern Memorial Hospital's National Provider Identifier (NPI) is 1831298926, 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 Psychiatric Hospital Unit (Hospital Units).
- 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) 926-2000.
- Does Northwestern Memorial Hospital accept Medicare?
- Northwestern Memorial Hospital is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Northwestern Memorial Hospital?
- The authorized official listed on Northwestern Memorial Hospital's NPPES record is John Orsini, Sr. Vice President & Chief Finance. 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 (1831298926) is active in the NPPES registry as of the last update on 2022-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.