Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mark Wang, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1003043167

Mark Wang, MD practises Pathology in Chicago, Illinois. Graduated from Northwestern University Feinberg Medical School in 2009, 17 years ago. Practices with Pathology Associates of Central Illinois Ltd, a 14-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
17
Trained at
Northwestern University Feinberg Medical School
Licensed in
IL
In the registry since
2009
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

251 E Huron St Feinberg Pavilion
Chicago, IL 60611-2908 Not confirmed with CMS for 17 years — call before visiting
Phone: (312) 503-8144
Fax: (312) 502-8249
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence 125055907 (IL)

Record details

NPI number1003043167
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 16, 2009
Last updated in NPPESJune 16, 2009

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPATHOLOGY
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 2009 (17 years in practice)
Group practice Pathology Associates Of Central Illinois Ltd — 14 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients757
Services billed 2,971 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Pathology Associates of Central Illinois Ltd

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 14 clinicians in the practice; 12 are shown here.

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