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

Dr. Martin Michael Gruca, MD

Individual provider Internal Medicine Physician · NPI 1144724774

Dr. Martin Michael Gruca, MD is a Cardiovascular Disease (Cardiology) in Chicago, Illinois. Graduated from University of Michigan Medical School in 2018, 8 years ago. Practices with University of Chicago, a 1,681-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois and Indiana.

Years since qualifying
8
Trained at
University of Michigan Medical School
Licensed in
IL, IN
In the registry since
2018
Specialties on file
4
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

5841 S Maryland Ave M/c 6080
Chicago, IL 60637-1443
Phone: (773) 702-5211
Fax: (773) 702-8875
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 251 E Huron St, Chicago, IL 60611 — (312) 926-2000
  • 10855 Virginia St, Crown Point, IN 46307-0210 — (888) 824-0200

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 036.155369 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125.071702 (IL)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 01096564A (IN)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1144724774
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 20, 2018
Last updated in NPPESAugust 12, 2025
Certification dateAugust 12, 2025

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 2018 (8 years in practice)
Group practice University Of Chicago — 1681 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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