Physician Profile
Douglas A Lee, MD practices gastroenterology in Oak Lawn, IL. Douglas is a 1991 graduate of Northwestern University Feinberg Medical School. Douglas is also listed as specializing in specialist. Medicare claims data shows Douglas provided 1,093 services to 1,016 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
9921 SOUTHWEST HWY
Oak Lawn, IL 60453
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Inflammatory and immune
Liver
Stomach and duodenum
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Liver procedures
1,093 services · 1,016 patients · 15 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
244 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
163 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
61 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
42 |
| Injection beneath lining of large bowel using a flexible endoscope | Procedure | 45381 |
38 |
| Control of bleeding of upper large bowel using a flexible endoscope | Procedure | 45382 |
12 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
188 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
115 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
76 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
45 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Lee is a gastroenterology in Oak Lawn, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Dr. Lee is listed at 9921 SOUTHWEST HWY, Oak Lawn, IL 60453. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (708) 499-5678. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Lee's National Provider Identifier is 1144229949. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Lee attended Northwestern University Feinberg Medical School, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
Dr. Lee has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Lee performs procedures including biopsy of large bowel using a flexible endoscope, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lee. If this is you, claiming it is free.
Guide.md
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.