Harper Health Streeterville
NPI 1225561012 · Primary Care Clinic/Center · Chicago, IL
Harper Health Streeterville is a Primary Care Clinic/Center organization in Chicago, IL (NPI 1225561012).
Provider details
- NPI number
- 1225561012
- Entity type
- Organization
- Primary specialty
- Primary Care Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- William Harper, Owner/Physician(855) 947-7371
- License
- 036097080 (IL)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2017-04-07
- Last updated
- 2017-04-07
Frequently asked questions
- What is Harper Health Streeterville's NPI number?
- Harper Health Streeterville's National Provider Identifier (NPI) is 1225561012, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Harper Health Streeterville?
- Harper Health Streeterville is classified in the NPPES registry as Primary Care Clinic/Center (Ambulatory Health Care Facilities).
- Where is Harper Health Streeterville located?
- Harper Health Streeterville's practice location on file with NPPES is 737 N Michigan Ave, Chicago, IL 60611-2615.
- What is Harper Health Streeterville's phone number?
- The practice phone number listed in the NPPES registry for Harper Health Streeterville is (855) 947-7371.
- Who is the authorized official for Harper Health Streeterville?
- The authorized official listed on Harper Health Streeterville's NPPES record is William Harper, Owner/Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Harper Health Streeterville's NPI active?
- Yes — Harper Health Streeterville's NPI (1225561012) is active in the NPPES registry as of the last update on 2017-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.