Active NPI 1023283611 Individual Practitioner Male Practitioner

Dr. Mark S Choh , MD

Surgery • Berwyn, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Choh, MD is a certified Surgery practicing in Berwyn, IL. With approximately 23 years of clinical experience since graduating from Tufts University School Of Medicine in 2003, Dr. Choh delivers high-quality medical care to the local community at 3245 GROVE AVE.

Dr. Choh is affiliated with Loyola Medical Group Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include follow-up hospital inpatient care per day, subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital care with straightforward or low-level 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

3245 Grove Ave
#202

Berwyn, IL 604023474

Telephone 7084840621

Fax 7084840250

Associated Practice Facility / Clinic

🏢 Mercado Foot And Ankle Clinics South Facility NPI 1790783736

Medicare Profile & Education

Medical School

Tufts University School Of Medicine

Graduation Year

2003

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Berwyn, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

23 Yrs -3.3 yrs vs City Avg

City Avg: 26.3 Yrs

State Avg: 27.3 Yrs

Regional Practice Density

6 Specialists

Practicing in Berwyn, IL (1624 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

27.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Choh (23 Years) 23 Yrs

Berwyn Specialty Average (26.3 Years) 26.3 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
99231 Follow-up hospital inpatient care per day, typically 15 minutes	129	91	$70.04	$51.17
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	48	36	$109.63	$79.58
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	40	39	$178.00	$134.69
99221 Initial hospital inpatient care per day, typically 30 minutes	21	21	$134.00	$86.82
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$213.00	$172.49
99213 Established patient office or other outpatient visit, typically 15 minutes	15	13	$125.00	$93.33
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	11	11	$262.00	$177.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	134	94	$57.28	$51.39
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	53	45	$94.00	$80.87
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	44	44	$178.00	$133.30
99221 Initial hospital inpatient care per day, typically 30 minutes	18	18	$134.00	$86.40
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	15	15	$262.00	$177.07
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$213.00	$170.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	137	98	$52.72	$40.97
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	62	62	$178.00	$143.45
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	58	44	$94.00	$75.17
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	14	$262.00	$209.93
99213 Established patient office or other outpatient visit, typically 15 minutes	14	12	$105.36	$97.26
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$141.00	$121.14

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	128	88	$94.00	$76.64
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	91	89	$178.00	$145.42
99231 Follow-up hospital inpatient care per day, typically 15 minutes	72	60	$52.00	$40.71
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	11	11	$139.00	$139.62

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	132	95	$94.00	$78.09
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	64	64	$178.00	$150.71
99231 Follow-up hospital inpatient care per day, typically 15 minutes	42	29	$52.00	$42.92
99213 Established patient office or other outpatient visit, typically 15 minutes	18	15	$96.00	$81.15
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	12	$139.00	$117.63

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	100	80	$100.93	$77.48
99231 Follow-up hospital inpatient care per day, typically 15 minutes	89	67	$62.22	$42.10
99221 Initial hospital inpatient care per day, typically 30 minutes	57	57	$153.89	$109.62
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	32	32	$186.09	$146.78
99213 Established patient office or other outpatient visit, typically 15 minutes	25	15	$99.04	$78.71
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	14	$144.29	$115.07
47562 Removal of gallbladder using an endoscope	13	13	$1152.92	$717.04
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$156.82	$115.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	137	98	$66.00	$40.31
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	104	83	$105.00	$74.35
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	26	$215.00	$141.11
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	22	21	$149.00	$106.95
99213 Established patient office or other outpatient visit, typically 15 minutes	19	15	$98.68	$74.71
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	11	$145.00	$109.83
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$170.00	$105.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	164	110	$66.00	$40.34
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	76	52	$105.00	$73.23
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	71	68	$215.00	$141.72
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	23	22	$275.00	$200.44
99213 Established patient office or other outpatient visit, typically 15 minutes	20	19	$95.00	$74.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	13	$145.00	$109.64
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$170.00	$104.75

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License IL IL 036118355

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.

Hospital & Practice Group Affiliations

Loyola Medical Group Llc

3249 Oak Park Ave, Berwyn, IL 604023429

Phone: 7087830700

Practice Associates & Co-Workers

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

5 Associated Practitioners

Dr. Mary Leonard , MD

Surgery

NPI 1063402048

Doctor of Medicine (M.D.)

Dr. Mouhammad Souman , MD

Surgery

NPI 1366431322

Doctor of Medicine (M.D.)

Dr. Ryan Headley , MD

Surgery

NPI 1659309375

Doctor of Medicine (M.D.)

Dr. Jeffrey Zawacki , MD

Surgery

NPI 1790774750

Doctor of Medicine (M.D.)

Dr. Robin Favor , MD

Surgery

NPI 1912153909

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active March 26, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location March 26, 2012

Registered at 3245 GROVE AVE, #202, BERWYN, IL 604023474 (Tel: 7084840621)

📍

Updated Business Mailing Address March 26, 2012

Registered at 3245 GROVE AVE, #202, BERWYN, IL 604023474 (Tel: 7084840621)

👤

Provider Name / Credentials Updated March 26, 2012

Recorded as MARK CHOH, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 26, 2012

Surgery (License #IL 036118355 in IL)

🟢

Initial NPI Registration & Enumeration April 24, 2008

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: 1023283611

Entity Type:

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

Enumeration Date: April 24, 2008

Last Update: March 26, 2012

Sole Proprietor: No

Update or Correct Profile

Mailing Address

3245 Grove Ave, #202

Berwyn, IL 604023474

Phone: 7084840621

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.