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DR. MARTIN MICHAEL GRUCA MD
NPI 1144724774
Internal Medicine - Cardiovascular Disease in Chicago, IL

Active since March 20, 2018PECOS EnrolledAccepts Medicare Assignment
5841 S. MARYLAND AVE, M/C 6080, CHICAGO, IL 60637(773) 702-5211(773) 702-8875 Get Directions Write a Review

NPPES record last updated: August 12, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 12, 2025, Jun 18, 2025, Jun 3, 2021 and 3 more (6 updates tracked since 2018).

About Dr. Martin Michael Gruca Md NPPES

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

DR. MARTIN MICHAEL GRUCA MD (NPI 1144724774) is an individual cardiovascular disease provider in Chicago, Illinois, licensed in Illinois (036.155369) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1144724774
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. MARTIN MICHAEL GRUCACredential: MD
Location Address5841 S. MARYLAND AVE, M/C 6080Chicago, IL 60637-1443
Mailing Address150 Harvester Dr Ste 300Burr Ridge, IL 60527-5965
Phone(773) 702-5211
Fax(773) 702-8875
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2018
Enumeration DateMarch 20, 2018
Last NPPES UpdateAugust 12, 20256 updates tracked since enumeration
NPPES CertifiedAugust 12, 2025
✔ NPI 1144724774 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Licenses✔ Licensed in IL · 036.155369✔ Licensed in IN · 01096564A
Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal MedicineTaxonomy 207R00000X · License 125.071702 (IL)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
5841 S. MARYLAND AVE, Chicago, IL 60637
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1251 E Huron StChicago, IL 60611 · Phone (312) 926-2000
Location 210855 Virginia StCrown Point, IN 46307-0210 · Phone (888) 824-0200

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Martin Michael Gruca Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749525905
PECOS Enrollment IDI20250821003746, I20250822001012
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

The University Of Chicago Medical Center

Acute Care Hospitals · Chicago, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140088
Location5841 South MarylandChicago, IL 60637 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60637 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. JASON LONG M.D.
Surgery
5841 S. MARYLAND AVE, UNIVERSITY OF CHICAGO HOSPITALS
CHICAGO, IL 60637
Cook County (773) 702-1000
ANTHONY CARRERA MD
Internal Medicine
5841 S. MARYLAND AVE, 7082
CHICAGO, IL 60637
Cook County (773) 702-6840
HOK LEONG CHIN
Pediatrics
5841 S. MARYLAND AVE, M/C 8016
CHICAGO, IL 60637
Cook County (773) 702-6435
DR. MAEANNA MERRILL MD
Pediatrics
5841 S. MARYLAND AVE, M/C 8016
CHICAGO, IL 60637
Cook County (773) 702-1000
MARY ROSE LOFTUS DO
Pediatrics
5841 S. MARYLAND AVE, M/C 1145
CHICAGO, IL 60637
Cook County (773) 702-3020
TEKLA MOLLER MD
Pediatrics
5841 S. MARYLAND AVE, MC 6060
CHICAGO, IL 60637
Cook County (773) 702-3056
PRIYA NAIR
Student in an Organized Health Care Education/Training Program
5841 S. MARYLAND AVE, M/C 7082
CHICAGO, IL 60637
Cook County (773) 702-6840
AMANDA CALIPO MD
Emergency Medicine
5841 S. MARYLAND AVE, M/C 5068
CHICAGO, IL 60637
Cook County (773) 702-9500

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 Martin Gruca's NPI number?

The NPI number for Martin Gruca is 1144724774. It was assigned to this individual provider in the NPPES registry on March 20, 2018.

Where is Martin Gruca located?

Martin Gruca practices at 5841 S. Maryland Ave M/C 6080, Chicago, IL 60637. The listed phone number is (773) 702-5211.

What is Martin Gruca's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Martin Gruca enrolled in Medicare?

Yes. Martin Gruca is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Martin Gruca affiliated with any hospitals?

According to CMS data, Martin Gruca is affiliated with The University Of Chicago Medical Center.

When was this NPI record last updated?

The NPPES record for Martin Gruca was last updated on August 12, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.