Physician Profile
Thomas Arndt, MD practices gastroenterology in Oak Lawn, IL. Thomas is a 1980 graduate of Loyola University of Chicago, Stritch School of Medicine. According to Medicare claims data, Thomas cared for 507 Medicare patients across 518 services.
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.
Most searched conditions
Most searched procedures
518 services · 507 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
113 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
103 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
64 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
19 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
15 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
57 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
49 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Billing code | G0121 |
42 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
41 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
15 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Arndt 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. Arndt 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) 425-8616. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Arndt's National Provider Identifier is 1487614210. 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. Arndt attended Loyola University of Chicago, Stritch School of Medicine, graduating in 1980. This comes from the CMS National Downloadable File.
CMS public data
Dr. Arndt has 46 years experience. Calculated from a graduation year of 1980, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Arndt performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large 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. Arndt. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.