Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Matthew Jared Ranzer, MD

Individual provider Plastic and Reconstructive Surgery Physician · NPI 1083939987

Matthew Jared Ranzer, MD practises Plastic and Reconstructive Surgery in Chicago, Illinois. Graduated from State University of New York at Buffalo School of Medicine in 2005, 21 years ago. Practices with Mount Sinai Community Foundation, a 246-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
21
Trained at
State University of New York at Buffalo School of Medicine
Licensed in
IL
In the registry since
2010
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

820 S Wood St Ste 515 Csn
Chicago, IL 60612-4325 Not confirmed with CMS for 11 years — call before visiting
Phone: (312) 996-9313
Fax: (312) 413-0495
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Plastic and Reconstructive Surgery Physician (primary) Taxonomy 2086S0122X · Licence 036129724 (IL)

Record details

NPI number1083939987
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 2, 2010
Last updated in NPPESJuly 28, 2015

Medicare enrollment

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

Medicare specialtyPLASTIC AND RECONSTRUCTIVE SURGERY
Medical schoolSTATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Mount Sinai Community Foundation — 246 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Mastectomy 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

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 patients32
Services billed 83 a service is one billed item, such as a visit, a test or a procedure
Average patient age61

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. Those with a page here are linked.

Colleagues at Mount Sinai Community Foundation

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 246 clinicians in the practice; 12 are shown here.

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