Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1194842005 Individual Practitioner Male Practitioner

Dr. Andrew Jay Dennis , DO

Surgery • Chicago, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Andrew Dennis, DO is a certified Surgery practicing in Chicago, IL. With approximately 29 years of clinical experience since completing medical education in 1997, Dr. Dennis delivers high-quality medical care to the local community at 1901 W HARRISON ST.

Dr. Dennis is affiliated with Cook County and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1901 W Harrison St

Chicago, IL 606123714

Telephone 3128642730
Associated Practice Facility / Clinic
🏢 Cook County Facility NPI 1588612832

Medicare Profile & Education

Medical School

Other

Graduation Year

1997

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Chicago, IL

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
29 Yrs +6.7 yrs vs City Avg
City Avg: 22.3 Yrs
State Avg: 27.3 Yrs
Regional Practice Density
579 Specialists

Practicing in Chicago, IL (1624 Statewide)

Telehealth Adoption Rate
4.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
60.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Dennis (29 Years) 29 Yrs
Chicago Specialty Average (22.3 Years) 22.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
19 12 $204.53 $81.85

Medical Specialties & State Licenses

CMS Verified: 2021-04-22
Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License IL 036-103279

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Surgery - Trauma Surgery

NUCC Taxonomy Code: 2086S0127X

State License IL 036-103297

Trauma surgery is a recognized subspecialty of general surgery. Trauma surgeons are physicians who have completed a five-year general surgery residency and usually continue with a one to two year fellowship in trauma and/or surgical critical care, typically leading to additional board certification in surgical critical care. There is no trauma surgery board certification at this point. To obtain board certification in surgical critical care, a fellowship in surgical critical care or anesthesiology critical care must be completed during or after general surgery residency.

Surgery - Surgical Critical Care

NUCC Taxonomy Code: 2086S0102X

State License IL 036-103279

A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Hospital & Practice Group Affiliations

Cook County

500 E 51st St, Chicago, IL 606152494

Phone: 3125722000

Cook County

1901 W Harrison St, Chicago, IL 606123714

Phone: 3126337292

Cook County

1901 W Harrison St, Chicago, IL 606123714

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners
NPI 1386489946

Doctor of Osteopathic Medicine (D.O.)

NPI 1568581312

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 22, 2021

Surgery (License #036-103279 in IL)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 26, 2020

Surgery (License #036-103279 in IL)

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 1901 W HARRISON ST, CHICAGO, IL 606123714 (Tel: 3128642730)

📍
Updated Business Mailing Address July 08, 2007

Registered at 1900 W POLK ST, RM 1300, CHICAGO, IL 606123723 (Tel: 3128642730)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as ANDREW DENNIS, D.O.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Surgery

🟢
Initial NPI Registration & Enumeration March 23, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1194842005
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 23, 2007
Last Update: April 22, 2021
Sole Proprietor: No

Mailing Address

1900 W Polk St, Rm 1300

Chicago, IL 606123723

Phone: 3128642730

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.