Physician Profile
David S. Atlas, M.D.
Unclaimed ProfileAbout Dr. Atlas
Based in Chicago, IL, David S. Atlas, M.D. is listed in the NPI registry under gastroenterology. David graduated from R Franklin University of Med & Sci/Chicago Medical School in 2004. According to Medicare claims data, David cared for 318 Medicare patients across 378 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (708) 333-0001
- Email not available
Practice Locations
2315 E 93RD ST STE 440
Chicago, IL 60617
19550 Governors Hwy
Flossmoor, IL 60422
Conditions Commonly Evaluated or Treated
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.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
378 services · 318 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
45 | As often as other peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
29 | Less often than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
23 | Less often than most peers in Gastroenterology |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
11 | Less often than most peers in Gastroenterology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
91 | More often than most peers in Gastroenterology |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
69 | More often than most peers in Gastroenterology |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
46 | More often than most peers in Gastroenterology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
34 | As often as other peers in Gastroenterology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
30 | As often as other peers in Gastroenterology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterologists in Chicago 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at R Franklin University of Med & Sci/Chicago Medical School 7
Other providers in the same specialty who trained at the same institution.
Class of 2004 at R Franklin University of Med & Sci/Chicago Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is David S. Atlas?
David S. Atlas is a gastroenterologist in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is David S. Atlas's address?
David S. Atlas is listed at 2315 E 93Rd St Ste 440, Chicago, IL 60617. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with David S. Atlas?
The number on file is (708) 333-0001. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is David S. Atlas's NPI number?
David S. Atlas's National Provider Identifier is 1952375636. 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
Where did David S. Atlas train?
David S. Atlas attended R Franklin University of Med & Sci/Chicago Medical School, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has David S. Atlas been practicing?
David S. Atlas has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What procedures does David S. Atlas perform?
According to Medicare billing data, David S. Atlas performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has David S. Atlas confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by David S. Atlas. 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.