Physician Profile
Unclaimed ProfileAbout Dr. Adler
Douglas R Adler, MD practices gastroenterology in Glenview, IL. Medicare claims data shows Douglas provided 526 services to 455 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (847) 677-1170
- Email not available
Practice Locations
2501 COMPASS RD SUITE 130
Glenview, IL 60026
Procedures Most Often Billed to Medicare
526 services · 455 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
59 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
52 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
41 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
173 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
66 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
65 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
38 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
32 |
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.
Other gastroenterologists at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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.
More connections — 14 related providers in 2 groups
Other gastroenterologists in Glenview 6
Same specialty, same city.
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 is Dr. Adler's specialty?
Dr. Adler is a gastroenterologist in Glenview, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Gastroenterology”.
NPI registry
Where can I find Dr. Adler?
Dr. Adler is listed at 2501 COMPASS RD SUITE 130, Glenview, IL 60026. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Adler?
The number on file is (847) 677-1170. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Adler?
Dr. Adler's National Provider Identifier is 1255313367. 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
How much experience does Dr. Adler have?
Dr. Adler has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Dr. Adler known for?
According to Medicare billing data, Dr. Adler 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
Is Dr. Adler's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Adler. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.