Michigan Avenue Internists in Chicago, IL
This organization bills under NPI 1922066588, an organization record issued on May 3, 2006 with the primary taxonomy Internal Medicine Physician. Each clinician who works there has their own NPI and license.
Organization recordNPPES, Aug 2026
1922066588
- Legal name
- Michigan Avenue Internists
- Entity
- Type 2 · organization
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 200 S MICHIGAN AVE SUITE 805, Chicago, IL 60604
- Phone
- 312-922-3815
- Enumerated
- May 3, 2006
- Record updated
- Sep 11, 2025
- Authorized official
- President (title as filed)
7 clinicians CMS lists with Michigan Avenue Internists in Chicago
- Sheila Ballintine, MDInternal Medicine Physician1467794859
- Amy Chen, MDInternal Medicine Physician1154663532
- Vivien Goh, MDInternal Medicine Physician1730641762
- Evan Ng, MDInternal Medicine Physician1518141720
- Steven Paterakos, DOInternal Medicine Physician1255892741
- Bradley Sabin, MDInternal Medicine Physician1922277292
- Natalie Zimmer, FNP-BCCNurse Practitioner1528580917
Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.
Checking an organization
- Confirm the business with the Illinois secretary of state.
- Check the HHS-OIG exclusion list for the organization.
- Verify each clinician on their own record and the state license search.
All taxonomies on this record
- 207N00000X Dermatology Physician
- 207R00000X Internal Medicine Physician
Common questions
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.