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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOCK MICHAEL THACKER
NPI 1306409776
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Chicago, IL

Active since April 20, 2019
5841 S MARYLAND AVE, CHICAGO, IL 60637(888) 824-0200 Get Directions Write a Review

NPPES record last updated: September 11, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 11, 2026, Apr 20, 2019 (2 updates tracked since 2019).

About Jock Michael Thacker NPPES

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

JOCK MICHAEL THACKER (NPI 1306409776) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Chicago, Illinois, licensed in Illinois (036179765) and active in the NPI registry since April 2019.

NPPES Registry Identity

NPI1306409776
Entity TypeIndividualMale
Primary Taxonomy208G00000X
Provider Legal NameJOCK MICHAEL THACKER
Location Address5841 S MARYLAND AVEChicago, IL 60637-1443
Mailing Address150 Harvester Dr Ste 300Burr Ridge, IL 60527-5965
Phone(888) 824-0200
Sole ProprietorNo
Enumeration DateApril 20, 2019
Last NPPES UpdateSeptember 11, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 11, 2026
✔ NPI 1306409776 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
License✔ Licensed in IL · 036179765
Definition
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
5841 S MARYLAND AVE, Chicago, IL 60637
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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.

DR. DON MARTINEZ M.D.
Radiology (Diagnostic Radiology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 926-8318
ALEXANDRA DUMITRESCU
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
PELEG HOROWITZ
Neurological Surgery
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
SANDEEP GURBUXANI
Pathology (Hematology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
DR. NIREN GANDRA M.D.
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-0240
ALLIE DAKROUB MD MS
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-1000
SCOTT VASHER MD
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-1000
DR. NATHAN CHARLES NOWALK M.D.
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200

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 Jock Thacker's NPI number?

The NPI number for Jock Thacker is 1306409776. It was assigned to this individual provider in the NPPES registry on April 20, 2019.

Where is Jock Thacker located?

Jock Thacker practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (888) 824-0200.

What is Jock Thacker's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

When was this NPI record last updated?

The NPPES record for Jock Thacker was last updated on September 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.