Chicago Physician Services, P.C.
NPI 1538921424 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chicago Physician Services, P.C. is a Internal Medicine Physician organization in Chicago, IL (NPI 1538921424).
Provider details
- NPI number
- 1538921424
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Christopher Lipsmeyer, President/Owner(337) 609-1221
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Hospitalist Physician208M00000X
Allopathic & Osteopathic Physicians
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
- Nurse Practitioner363L00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs 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
Additional practice locations (2)
- 2900 N Lake Shore DrChicago, IL 60657-5640Phone: (773) 665-3000
- 2233 W Division StChicago, IL 60622-8151Phone: (312) 770-2000
Registry dates
- Enumerated
- 2024-01-25
- Last updated
- 2024-01-25
- Certified
- 2024-01-25
Frequently asked questions
- What is Chicago Physician Services, P.C.'s NPI number?
- Chicago Physician Services, P.C.'s National Provider Identifier (NPI) is 1538921424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Chicago Physician Services, P.C.?
- Chicago Physician Services, P.C. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chicago Physician Services, P.C. located?
- Chicago Physician Services, P.C.'s practice location on file with NPPES is 7435 W Talcott Ave, Chicago, IL 60631-3707.
- What is Chicago Physician Services, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Chicago Physician Services, P.C. is (773) 774-8000.
- Does Chicago Physician Services, P.C. accept Medicare?
- Chicago Physician Services, P.C. 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 Chicago Physician Services, P.C.?
- The authorized official listed on Chicago Physician Services, P.C.'s NPPES record is Christopher Lipsmeyer, President/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Chicago Physician Services, P.C.'s NPI active?
- Yes — Chicago Physician Services, P.C.'s NPI (1538921424) is active in the NPPES registry as of the last update on 2024-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.