Rush Oak Park Physicians Group Lake Street
NPI 1841531456 · Internal Medicine Physician · Oak Park, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rush Oak Park Physicians Group Lake Street is a Internal Medicine Physician organization in Oak Park, IL (NPI 1841531456).
Provider details
- NPI number
- 1841531456
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- Rush Medical Group
- Organization subpart
- Yes
- Authorized official
- Scott Halper, Authorized Official(312) 942-7770
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Family Medicine Physician207Q00000X
Allopathic & Osteopathic Physicians
- Pediatrics Physician208000000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2013-03-06
- Last updated
- 2024-09-26
- Certified
- 2024-09-26
Frequently asked questions
- What is Rush Oak Park Physicians Group Lake Street's NPI number?
- Rush Oak Park Physicians Group Lake Street's National Provider Identifier (NPI) is 1841531456, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Rush Oak Park Physicians Group Lake Street?
- Rush Oak Park Physicians Group Lake Street is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rush Oak Park Physicians Group Lake Street located?
- Rush Oak Park Physicians Group Lake Street's practice location on file with NPPES is 1011 Lake St, Oak Park, IL 60301-1148.
- What is Rush Oak Park Physicians Group Lake Street's phone number?
- The practice phone number listed in the NPPES registry for Rush Oak Park Physicians Group Lake Street is (708) 628-0600.
- Does Rush Oak Park Physicians Group Lake Street accept Medicare?
- Rush Oak Park Physicians Group Lake Street 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 Rush Oak Park Physicians Group Lake Street?
- The authorized official listed on Rush Oak Park Physicians Group Lake Street's NPPES record is Scott Halper, Authorized Official. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Rush Oak Park Physicians Group Lake Street's NPI active?
- Yes — Rush Oak Park Physicians Group Lake Street's NPI (1841531456) is active in the NPPES registry as of the last update on 2024-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.