Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1902219611 Individual Practitioner Male Practitioner

Dr. Chang Yang , MD

Internal Medicine • Elmhurst, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Chang Yang, MD is a certified Internal Medicine practicing in Elmhurst, IL. With approximately 21 years of clinical experience since completing medical education in 2005, Dr. Yang delivers high-quality medical care to the local community at 155 E BRUSH HILL RD.

Dr. Yang maintains professional affiliations with Endeavor Health Medical Group, University Of Chicago, Rural Physicians Group-Pannu Pllc 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, hospital discharge day management, more than, initial hospital care with moderate level of 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

155 E Brush Hill Rd

Elmhurst, IL 601265658

Telephone 3312218952
Associated Practice Facility / Clinic
🏢 Elmhurst Memorial Hospital Facility NPI 1932141645

Medicare Profile & Education

Medical School

Other

Graduation Year

2005

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Elmhurst, IL

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
21 Yrs -4.6 yrs vs City Avg
City Avg: 25.6 Yrs
State Avg: 28.9 Yrs
Regional Practice Density
52 Specialists

Practicing in Elmhurst, IL (7544 Statewide)

Telehealth Adoption Rate
34.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
66.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Yang (21 Years) 21 Yrs
Elmhurst Specialty Average (25.6 Years) 25.6 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
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
722 298 $268.29 $116.82
99239 Hospital discharge day management, more than 30 minutes
290 270 $286.58 $110.91
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
201 185 $497.62 $166.08
99291 Critical care, first 30-74 minutes
38 26 $748.97 $199.71
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
35 19 $200.08 $76.38

Medical Specialties & State Licenses

CMS Verified: 2025-06-02
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License WI 2489-320

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License IN 01086875A

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospitalist

NUCC Taxonomy Code: 208M00000X

State License IN 01086875A

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License IL 036.143268

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospitalist

NUCC Taxonomy Code: 208M00000X

State License IL 036.143268

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License OH 35.152109

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License MO 2017021754

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

Endeavor Health Medical Group

155 E Brush Hill Rd, Elmhurst, IL 601265658

Phone: 3312210096

Rural Physicians Group-Pannu Pllc

615 Fulton St, Port Clinton, OH 434522001

Phone: 4197343131

Rural Physicians Group-Pannu Pllc

333 E 2nd St, Richland Center, WI 535811914

Phone: 6086476321

University Of Chicago

5841 S Maryland Ave, Chicago, IL 606371443

Phone: 8888240200

Rural Physicians Group-Pannu Pllc

130 E Lockling St, Brookfield, MO 646282337

Phone: 6602582222

Secondary Practice Locations

1555 Barrington Rd

Hoffman Estates, IL 601691019

Phone: 2242733152

5841 S Maryland Ave

Chicago, IL 606371443

Phone: 8888240200

1 Ingalls Dr

Harvey, IL 604263558

Phone: 8888240200

333 E 2nd St

Richland Center, WI 535811914

Phone: 6086476321

615 Fulton St

Port Clinton, OH 434522001

Phone: 4197343131

Practice Associates & Co-Workers

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

25 Associated Practitioners
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Doctor of Medicine (M.D.)

NPI 1043624760

Doctor of Medicine (M.D.)

NPI 1053549303

Doctor of Medicine (M.D.)

Dr. Thomas King , MD

Emergency Medicine

NPI 1073514220

Doctor of Medicine (M.D.)

NPI 1083069819

Doctor of Medicine (M.D.)

NPI 1144563594

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

26 Historical Events
📍
Updated Practice Location June 02, 2025

Registered at 155 E BRUSH HILL RD, ELMHURST, IL 601265658 (Tel: 3312218952)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 02, 2025

Hospitalist (License #01086875A in IN)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 19, 2025

Internal Medicine (License #036.143268 in IL)

📍
Updated Business Mailing Address November 19, 2024

Registered at 150 HARVESTER DR STE 300, BURR RIDGE, IL 605275965

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 19, 2024

Internal Medicine (License #01086875A in IN)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 04, 2024

Internal Medicine (License #2017021754 in MO)

📍
Updated Practice Location March 02, 2023

Registered at 24 JOLIET ST, DYER, IN 463111705 (Tel: 2198652141)

📍
Updated Practice Location May 18, 2022

Registered at 5454 HOHMAN AVE, HAMMOND, IN 463201931 (Tel: 2199322300)

📍
Updated Business Mailing Address May 18, 2022

Registered at PO BOX 781076, DETROIT, MI 482781076 (Tel: 3175284800)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 23, 2022

Internal Medicine (License #036.143268 in IL)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 22, 2021

Hospitalist (License #036.143268 in IL)

NPI Profile Active November 01, 2017

NPI status registered as active in NPPES database

📍
Updated Business Mailing Address November 01, 2017

Registered at 150 HARVESTER DR STE 300, BURR RIDGE, IL 605275965 (Tel: 7737021061)

📍
Updated Practice Location November 01, 2017

Registered at 5841 S MARYLAND AVE, CHICAGO, IL 606371447 (Tel: 7737025173)

👤
Provider Name / Credentials Updated November 01, 2017

Recorded as CHANG YANG, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 01, 2017

Internal Medicine (License #036.143268 in IL)

📍
Updated Business Mailing Address July 15, 2017

Registered at 180 HARVESTER DRIVE, SUITE 110, BURR RIDGE, IL 60527 (Tel: 7737021150)

📍
Updated Practice Location July 08, 2017

Registered at 5841 S MARYLAND AVE, CHICAGO, IL 606371447 (Tel: 7737025173)

📍
Updated Business Mailing Address July 08, 2017

Registered at 5841 SOUTH MARYLAND AVE, CHICAGO, IL 606371447 (Tel: 7737025173)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2017

Internal Medicine (License #036.143268 in IL)

NPI Profile Active June 10, 2014

NPI status registered as active in NPPES database

📍
Updated Practice Location June 10, 2014

Registered at 222 S WOODS MILL RD, CHESTERFIELD, MO 630173625 (Tel: 3142056050)

📍
Updated Business Mailing Address June 10, 2014

Registered at 222 S WOODS MILL RD, CHESTERFIELD, MO 630173625 (Tel: 3142056050)

👤
Provider Name / Credentials Updated June 10, 2014

Recorded as CHANG YANG, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 10, 2014

Internal Medicine (License #2014014251 in MO)

🟢
Initial NPI Registration & Enumeration June 10, 2014

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: 1902219611
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 10, 2014
Last Update: June 02, 2025
Sole Proprietor: No

Mailing Address

150 Harvester Dr Ste 300

Burr Ridge, IL 605275965

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.