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INTERNAL MEDICINE ASSOCIATES, LLC
NPI 1861558181
Internal Medicine in Chicago, IL

Active since December 29, 2006CLIA 14D0423982 · Microscopy
676 N SAINT CLAIR ST STE 510, CHICAGO, IL 60611(312) 944-0688(312) 944-2886 Get Directions Write a Review

NPPES record last updated: June 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Internal Medicine Associates, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

INTERNAL MEDICINE ASSOCIATES, LLC (NPI 1861558181) is a healthcare organization registered as an internal medicine in Chicago, Illinois and active in the NPI registry since December 2006. The organization holds a CLIA Microscopy certificate valid through August 31, 2028 and lists Maura Conroy Thiele, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1861558181
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameINTERNAL MEDICINE ASSOCIATES, LLC
Location Address676 N SAINT CLAIR ST STE 510Chicago, IL 60611-2927
Mailing Address676 N Saint Clair St Ste 510Chicago, IL 60611-2927 · (312) 944-0688 · Fax (312) 944-2886
Phone(312) 944-0688
Fax(312) 944-2886
Organization SubpartNo
Authorized OfficialMaura Conroy ThieleOffice Manager · (312) 944-0688
Enumeration DateDecember 29, 2006
Last NPPES UpdateJune 29, 2026
NPPES CertifiedJune 29, 2026
✔ NPI 1861558181 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
676 N SAINT CLAIR ST STE 510, Chicago, IL 60611
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Other Identifiers 1

Other1619148Blue Cross Blue Shield

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Internal Medicine Associates, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

10

Medicare enrollment records show 10 clinicians reassign Medicare billing to Internal Medicine Associates, LLC, which bills Medicare for the services they deliver. Of these, 9 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (10)

James Cohn, MD
Internal Medicine
NPI 1952367054
201 E HURON ST SUITE 11-200
Chicago, IL 60611
(312) 943-8566
✔ PECOS0.7 mi
Douglas Duvel, M.D.
Internal Medicine
NPI 1275699811
201 E HURON ST 12-205
Chicago, IL 60611
(312) 944-0688
✔ PECOS✔ Accepts Medicare0.7 mi
Jennifer Lundgren, M.D.
Internal Medicine
NPI 1215093869
201 E HURON ST #12-205
Chicago, IL 60611
(312) 944-0688
✔ PECOS✔ Accepts Medicare0.7 mi
Mary Beth Richmond, M.D.
Internal Medicine
NPI 1215032826
201 E HURON ST #12-205
Chicago, IL 60611
(312) 944-0688
✔ PECOS✔ Accepts Medicare0.7 mi
April Hadsaitong, MD
Internal Medicine
NPI 1184808818
201 E HURON ST SUITE 12-205
Chicago, IL 60611
(312) 944-0688
✔ PECOS✔ Accepts Medicare0.7 mi
Asim Hameeduddin, M.D.
Internal Medicine
NPI 1083770648
201 E HURON ST #12-205
Chicago, IL 60611
(312) 944-0688
✔ PECOS✔ Accepts Medicare0.7 mi
Jason Mathias, MD
Internal Medicine
NPI 1033373329
201 E HURON ST GALTER 12-205
Chicago, IL 60611
(312) 944-0688
✔ PECOS✔ Accepts Medicare0.7 mi
Michael Lee, MD
Internal Medicine
NPI 1942293451
676 N SAINT CLAIR ST SUITE 2300
Chicago, IL 60611
(312) 926-6000
✔ PECOS✔ Accepts Medicare0.9 mi
Nooshin Cohanim, M.D.
Internal Medicine
NPI 1780788968
1460 N HALSTED ST STE 202 PRIMARY CARE MEDICAL ASSOCIATES LTD
Chicago, IL 60642
(773) 871-4409
✔ PECOS✔ Accepts Medicare1.2 mi
Robert Golden, M.D.
Internal Medicine
NPI 1992887541
201 E HURON ST #12-205
Chicago, IL 60611
(312) 944-0688
✔ PECOS✔ Accepts Medicare

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 14D0423982

Internal Medicine Associates LLC · Chicago, IL
Active · expires Aug 31, 2028
CLIA Number14D0423982
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2026
Certificate Expiration DateAugust 31, 2028
Laboratory DirectorMary Beth Richmond M D
Laboratory Phone(312) 944-0688
Laboratory LocationInternal Medicine Associates LLC676 N St Clair St - Ste 510, Chicago, IL 60611
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Internal Medicine Associates, LLC's NPI number?

The NPI number for Internal Medicine Associates, LLC is 1861558181. It was assigned to this organization in the NPPES registry on December 29, 2006.

Where is Internal Medicine Associates, LLC located?

Internal Medicine Associates, LLC is located at 676 N Saint Clair St Ste 510, Chicago, IL 60611. The listed phone number is (312) 944-0688.

What is Internal Medicine Associates, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Internal Medicine Associates, LLC enrolled in Medicare?

Yes. Internal Medicine Associates, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Internal Medicine Associates, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians, all in Internal Medicine, reassign their Medicare billing to Internal Medicine Associates, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 9 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Internal Medicine Associates, LLC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 14D0423982) is associated with this NPI, valid through August 31, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Internal Medicine Associates, LLC was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.