Active NPI 1932296977 Individual Practitioner Female Practitioner

Dr. Hsin-Yi Chang , MD

Surgery • Barrington, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Hsin-Yi Chang, MD is a certified Surgery practicing in Barrington, IL. With approximately 24 years of clinical experience since graduating from University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb) in 2002, Dr. Chang delivers high-quality medical care to the local community at 802 FOX GLN.

Dr. Chang is affiliated with Advanced Surgical Care Of Northern Illinois, Ltd and accepts Medicare assignment.

Frequently performed procedures and clinical services include new patient outpatient office visit, established patient outpatient office visit, follow-up hospital inpatient care per day. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

802 Fox Gln

Barrington, IL 600101860

Telephone 8473818161

Fax 8473818167

Associated Practice Facility / Clinic

🏢 Advanced Surgical Care Of Northern Illinois, Ltd Facility NPI 1922169291

Medicare Profile & Education

Medical School

University Of Illinois College Of Med (Chi/peor/rock/chm-Urb)

Graduation Year

2002

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Barrington, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

24 Yrs -3.8 yrs vs City Avg

City Avg: 27.8 Yrs

State Avg: 27.3 Yrs

Regional Practice Density

8 Specialists

Practicing in Barrington, IL (1624 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

66.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chang (24 Years) 24 Yrs

Barrington Specialty Average (27.8 Years) 27.8 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
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	111	111	$301.03	$108.28
99213 Established patient office or other outpatient visit, typically 15 minutes	55	46	$241.93	$88.70
99231 Follow-up hospital inpatient care per day, typically 15 minutes	46	29	$101.90	$46.13
49650 Repair of groin hernia using an endoscope	34	34	$1577.59	$500.55
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	27	27	$355.03	$133.47
47562 Removal of gallbladder using an endoscope	19	19	$1864.63	$613.03
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	13	$151.80	$56.19
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	14	11	$186.35	$80.19
49505 Repair of groin hernia (5 years or older)	14	14	$1581.41	$584.70
49592 Initial repair of entrapped hernia of abdomen, less than 3 cm in length	11	11	$1285.43	$387.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	67	67	$446.80	$166.84
99231 Follow-up hospital inpatient care per day, typically 15 minutes	52	27	$101.90	$51.70
49650 Repair of groin hernia using an endoscope	26	26	$1734.80	$541.91
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	22	22	$355.03	$134.80
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$301.03	$114.59
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	19	13	$186.35	$81.74
99213 Established patient office or other outpatient visit, typically 15 minutes	18	16	$241.93	$90.22
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	12	$151.80	$54.18
49505 Repair of groin hernia (5 years or older)	13	13	$1589.52	$593.09
49591 Initial repair of sliding hernia of abdomen, less than 3 cm in length	13	13	$922.70	$291.05
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$590.65	$223.66
47562 Removal of gallbladder using an endoscope	11	11	$1751.12	$659.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	62	27	$104.55	$40.42
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	52	52	$440.65	$171.92
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	52	50	$538.44	$205.27
99213 Established patient office or other outpatient visit, typically 15 minutes	24	20	$200.87	$93.41
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$290.92	$115.86
49650 Repair of groin hernia using an endoscope	22	22	$1274.42	$502.55
47562 Removal of gallbladder using an endoscope	16	16	$1798.87	$690.01
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	16	16	$556.29	$228.43
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$290.49	$131.25
49585 Repair of hernia at navel (5 years or older)	11	11	$1265.30	$358.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	57	24	$105.00	$40.05
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	55	55	$439.00	$170.96
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	51	51	$541.00	$209.48
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$290.00	$114.83
49650 Repair of groin hernia using an endoscope	21	21	$1219.00	$551.10
47562 Removal of gallbladder using an endoscope	19	19	$1881.00	$742.64
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	18	18	$554.00	$217.47
99202 New patient office or other outpatient visit, typically 20 minutes	12	12	$200.00	$76.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	78	31	$105.00	$41.79
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	45	44	$541.00	$210.93
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	38	38	$439.00	$169.22
49650 Repair of groin hernia using an endoscope	19	19	$1219.00	$541.11
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	14	$117.00	$47.56
99213 Established patient office or other outpatient visit, typically 15 minutes	13	13	$195.00	$76.48
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$290.00	$111.54
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	11	11	$554.00	$214.55
47562 Removal of gallbladder using an endoscope	11	11	$1881.00	$753.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	82	29	$105.00	$41.73
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	48	46	$541.00	$213.83
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	46	46	$439.00	$167.22
99213 Established patient office or other outpatient visit, typically 15 minutes	21	18	$195.00	$76.74
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	21	19	$117.00	$46.89
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	21	21	$554.00	$210.98
47562 Removal of gallbladder using an endoscope	18	18	$1741.00	$632.30
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$290.00	$113.67
49650 Repair of groin hernia using an endoscope	17	17	$1219.00	$497.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	65	33	$105.00	$41.31
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	56	56	$439.00	$167.57
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	36	36	$541.00	$213.35
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	32	32	$290.00	$108.58
49650 Repair of groin hernia using an endoscope	29	29	$1219.00	$545.37
47562 Removal of gallbladder using an endoscope	21	21	$1581.00	$570.06
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	18	$117.00	$44.63
99213 Established patient office or other outpatient visit, typically 15 minutes	18	15	$195.00	$74.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	71	31	$105.00	$41.33
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	43	14	$191.91	$75.58
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	40	40	$541.00	$213.08
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	39	39	$439.15	$162.27
47562 Removal of gallbladder using an endoscope	26	26	$1590.38	$591.56
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	26	26	$290.00	$108.51
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	15	$117.00	$44.23
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	15	15	$554.00	$210.10
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$366.00	$144.18
49650 Repair of groin hernia using an endoscope	11	11	$1219.00	$512.51

Medical Specialties & State Licenses

CMS Verified: 2022-01-03

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License IL 036123238

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

NUCC Taxonomy Code: 208600000X

State License WI 46574020

Hospital & Practice Group Affiliations

Advanced Surgical Care Of Northern Illinois, Ltd

802 Fox Glen Ct, Barrington, IL 600101860

Phone: 8473818161

Practice Associates & Co-Workers

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

4 Associated Practitioners

Dr. David Ondrula , MD

Surgery

NPI 1013950690

Doctor of Medicine (M.D.)

Dr. Jill Motl , MD

Surgery

NPI 1376800284

Doctor of Medicine (M.D.)

Dr. John Cheregi , MD

Surgery

NPI 1760632384

Doctor of Medicine (M.D.)

Dr. Barry Rosen , MD

Surgery

NPI 1851315949

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

7 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 03, 2022

Surgery (License #46574020 in WI)

✅

NPI Profile Active February 16, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location February 16, 2012

Registered at 802 FOX GLN, BARRINGTON, IL 600101860 (Tel: 8473818161)

📍

Updated Business Mailing Address February 16, 2012

Registered at 802 FOX GLN, BARRINGTON, IL 600101860 (Tel: 8473818161)

👤

Provider Name / Credentials Updated February 16, 2012

Recorded as HSIN-YI CHANG, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 16, 2012

Surgery (License #036123238 in IL)

🟢

Initial NPI Registration & Enumeration October 10, 2006

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: 1932296977

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: October 10, 2006

Last Update: January 03, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

802 Fox Gln

Barrington, IL 600101860

Phone: 8473818161

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.