Active NPI 1144229949 Individual Practitioner Male Practitioner

Dr. Douglas A Lee , MD

Specialist • Oak Lawn, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Douglas Lee, MD is a certified Specialist practicing in Oak Lawn, IL. With approximately 35 years of clinical experience since graduating from Northwestern University Feinberg Medical School in 1991, Dr. Lee delivers high-quality medical care to the local community at 9921 SOUTHWEST HWY.

Dr. Lee is affiliated with Gi Partners Of Illinois Llc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include biopsy of large bowel using an endoscope, established patient outpatient office visit, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

9921 Southwest Hwy

Oak Lawn, IL 604533767

Telephone 7084995678

Fax 7084995685

Associated Practice Facility / Clinic

🏢 Midwest Center For Digestive Health, Sc Facility NPI 1982850855

Medicare Profile & Education

Medical School

Northwestern University Feinberg Medical School

Graduation Year

1991

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Oak Lawn, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

35 Yrs -0.8 yrs vs City Avg

City Avg: 35.8 Yrs

State Avg: 38.5 Yrs

Regional Practice Density

13 Specialists

Practicing in Oak Lawn, IL (1322 Statewide)

Telehealth Adoption Rate

15.4% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

83.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Lee (35 Years) 35 Yrs

Oak Lawn Specialty Average (35.8 Years) 35.8 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
45380 Biopsy of large bowel using an endoscope	244	244	$1500.00	$171.77
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	188	145	$285.78	$130.24
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	163	158	$1350.00	$94.41
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	115	115	$300.65	$170.63
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	76	55	$278.20	$120.21
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	61	61	$1500.00	$228.24
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	45	38	$192.03	$78.61
45378 Diagnostic exam of large bowel using a flexible endoscope	42	42	$1400.00	$191.75
45381 Injection beneath lining of large bowel using a flexible endoscope	38	38	$1500.00	$15.78
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	30	30	$366.30	$133.16
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	30	30	$1400.00	$189.94
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	19	19	$541.35	$175.92
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	16	16	$120.00	$5.88
99442 Telephone medical discussion with physician, 11-20 minutes	14	13	$125.00	$93.24
45382 Control of bleeding of upper large bowel using a flexible endoscope	12	12	$1600.00	$266.54

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	250	247	$1500.00	$179.81
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	177	173	$1350.00	$99.44
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito	109	108	$120.00	$5.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	66	63	$285.78	$134.92
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	61	61	$300.00	$174.87
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	61	60	$1500.00	$270.73
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	56	53	$192.03	$83.19
45381 Injection beneath lining of large bowel using a flexible endoscope	52	51	$1500.00	$16.18
45378 Diagnostic exam of large bowel using a flexible endoscope	52	52	$1400.00	$196.81
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	34	33	$366.30	$137.27
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	20	17	$278.20	$125.14
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	13	13	$1400.00	$197.47
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	11	11	$541.35	$182.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	245	245	$1494.55	$164.30
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	187	186	$1332.20	$91.23
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	105	105	$305.57	$177.48
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	98	96	$1505.63	$272.49
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	88	81	$294.37	$134.21
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	78	53	$192.03	$74.22
45381 Injection beneath lining of large bowel using a flexible endoscope	78	76	$1497.86	$16.22
99213 Established patient office or other outpatient visit, typically 15 minutes	78	67	$195.54	$96.34
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	27	27	$1326.74	$197.15
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	25	$366.30	$141.53
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	21	21	$1319.14	$197.70
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$210.00	$119.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
45380 Biopsy of large bowel using an endoscope	255	252	$1500.00	$169.86
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	229	221	$1350.00	$93.15
99213 Established patient office or other outpatient visit, typically 15 minutes	184	142	$194.60	$96.49
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	157	157	$300.00	$178.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	110	106	$285.78	$133.78
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	107	88	$192.03	$75.17
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	82	79	$1500.00	$267.78
45381 Injection beneath lining of large bowel using a flexible endoscope	55	52	$1500.00	$15.97
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	42	41	$366.30	$142.72
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	22	22	$1100.00	$201.13
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$200.00	$120.15
45378 Diagnostic exam of large bowel using a flexible endoscope	13	13	$1400.00	$190.12
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	12	12	$1100.00	$202.20
99221 Initial hospital inpatient care per day, typically 30 minutes	11	11	$273.40	$106.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	165	164	$1350.00	$102.46
45380 Biopsy of large bowel using an endoscope	151	151	$1500.00	$175.87
99213 Established patient office or other outpatient visit, typically 15 minutes	128	103	$194.60	$79.95
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	98	82	$285.78	$114.84
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	97	68	$192.03	$76.52
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	93	93	$300.00	$175.95
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	59	59	$1500.00	$282.16
45381 Injection beneath lining of large bowel using a flexible endoscope	44	44	$1500.00	$16.20
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	32	32	$366.30	$146.69
45378 Diagnostic exam of large bowel using a flexible endoscope	25	25	$1400.00	$200.10
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	18	18	$1500.00	$164.15
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	17	17	$1100.00	$206.33
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	16	16	$1100.00	$206.44
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$200.00	$115.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	215	211	$1350.00	$98.36
45380 Biopsy of large bowel using an endoscope	194	193	$1500.00	$168.22
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	152	124	$285.78	$114.03
99213 Established patient office or other outpatient visit, typically 15 minutes	111	96	$194.60	$77.94
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	109	109	$301.38	$172.44
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	99	94	$1500.00	$286.66
45381 Injection beneath lining of large bowel using a flexible endoscope	89	82	$1500.00	$17.04
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	58	58	$200.00	$115.40
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	53	50	$1500.00	$167.76
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	33	28	$192.03	$76.89
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	27	27	$1100.00	$208.12
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	22	22	$1100.00	$208.85
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	17	16	$385.23	$147.04
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$366.30	$145.16
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	16	11	$278.20	$109.85
45378 Diagnostic exam of large bowel using a flexible endoscope	15	15	$1400.00	$188.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	206	203	$1324.51	$94.92
45380 Biopsy of large bowel using an endoscope	170	170	$1480.59	$160.91
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	128	111	$285.78	$106.23
99213 Established patient office or other outpatient visit, typically 15 minutes	121	102	$194.60	$73.75
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	106	75	$192.03	$74.28
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	106	106	$303.54	$162.10
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	70	70	$1493.57	$277.03
45381 Injection beneath lining of large bowel using a flexible endoscope	61	61	$1496.72	$16.73
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	38	38	$200.00	$111.23
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	35	35	$366.30	$140.04
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	26	26	$1492.31	$164.17
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	23	23	$1100.00	$201.14
45378 Diagnostic exam of large bowel using a flexible endoscope	22	22	$1345.45	$202.32
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	19	19	$1100.00	$200.46
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	13	12	$278.20	$106.26

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	173	170	$1478.99	$91.85
45380 Biopsy of large bowel using an endoscope	148	146	$1806.20	$171.48
88305 Pathology examination of tissue using a microscope, intermediate complexity	135	35	$368.93	$63.13
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	67	63	$283.21	$105.62
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	66	64	$2114.79	$194.96
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	65	64	$1878.38	$176.10
45381 Injection beneath lining of large bowel using a flexible endoscope	60	58	$1864.08	$16.14
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	53	53	$280.52	$111.36
99213 Established patient office or other outpatient visit, typically 15 minutes	50	46	$214.50	$72.67
88313 Special stained specimen slides to examine tissue including interpretation and report	37	14	$358.38	$66.24
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	35	35	$1692.86	$202.06
45382 Control of bleeding of upper large bowel using a flexible endoscope	30	29	$2834.25	$274.99
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$426.43	$168.69
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	20	20	$580.65	$206.68
45378 Diagnostic exam of large bowel using a flexible endoscope	18	18	$1382.97	$202.13
88342 Special stained specimen slides to examine tissue, initial procedure	17	16	$371.47	$96.04
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	16	12	$213.83	$73.47
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	15	14	$298.02	$101.41
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$366.30	$140.02

Medical Specialties & State Licenses

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

State License IL 036-087086

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Medicare, Rrm

100012000 (IL)

Commercial Insurance / Payer ID Bcbs Il

1622260 (IL)

Hospital & Practice Group Affiliations

Gi Partners Of Illinois Llc

9921 Southwest Hwy, Oak Lawn, IL 604533754

Phone: 7084995678

Practice Associates & Co-Workers

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

10 Associated Practitioners

Dr. Jeffrey Port , MD

Internal Medicine - Gastroenterology

NPI 1285635987

Doctor of Medicine (M.D.)

Anna Pfeiffer , PA-C

Physician Assistant

NPI 1295614683

Physician Assistant (Certified)

Dr. Stephen Sittler , MD

Specialist

NPI 1306847322

Doctor of Medicine (M.D.)

Amy Liss , PA-C

Physician Assistant

NPI 1407360308

Physician Assistant (Certified)

Brittany Segrest

Nurse Practitioner - Acute Care

NPI 1417718370

Dr. Mihir Majmundar , MD

Specialist

NPI 1417932955

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 January 27, 2009

NPI status registered as active in NPPES database

📍

Updated Practice Location January 27, 2009

Registered at 9921 SOUTHWEST HWY, OAK LAWN, IL 604533767 (Tel: 7084995678)

📍

Updated Business Mailing Address January 27, 2009

Registered at 9921 SOUTHWEST HWY, OAK LAWN, IL 604533767 (Tel: 7084995678)

👤

Provider Name / Credentials Updated January 27, 2009

Recorded as DOUGLAS LEE, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 27, 2009

Specialist (License #036-087086 in IL)

🟢

Initial NPI Registration & Enumeration July 14, 2005

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: 1144229949

Entity Type:

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

Enumeration Date: July 14, 2005

Last Update: January 27, 2009

Sole Proprietor: No

Update or Correct Profile

Mailing Address

9921 Southwest Hwy

Oak Lawn, IL 604533767

Phone: 7084995678

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.