Are you Dr. Gambla? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 745 Fletcher Dr, Ste 202, Elgin, IL 60123
About Dr. Gambla
Gregory R. Gambla, DO practices gastroenterology in Elgin, IL. Gregory is a 1990 graduate of Midwestern University, Chicago College of Osteopathic Med. Medicare claims data shows Gregory provided 758 services to 669 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, removal of polyps or growths of large bowel using an endoscope with mechanical snare, and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. The provider's National Provider Identifier (NPI) is 1801832167.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (847) 888-1300
- Email not available
Practice Locations
745 FLETCHER DR STE 202
Elgin, IL 60123
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
758 services · 669 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
106 | More often than most peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
102 | More often than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
77 | More 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 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
300 | More than most peers in Gastroenterology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
80 | More often than most peers in Gastroenterology |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
28 | As often as other peers in Gastroenterology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
25 | Less often than most peers in Gastroenterology |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Billing code | G0121 |
15 | Less often than most peers in Gastroenterology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
14 | Less often than most 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.
Other gastroenterologists at this location 8
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 — 25 related providers in 4 groups
Trained at Midwestern University, Chicago College of Osteopathic Med 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at Midwestern University, Chicago College of Osteopathic Med 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of polyps or growths of large bowel using an endoscope with mechanical snare 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Dr. Gambla specialize in?
Dr. Gambla is a gastroenterologist in Elgin, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is Dr. Gambla located?
Dr. Gambla is listed at 745 Fletcher Dr Ste 202, Elgin, IL 60123. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Gambla's phone number?
The number on file is (847) 888-1300. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Gambla?
Dr. Gambla's National Provider Identifier is 1801832167. 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 Dr. Gambla go to medical school?
Dr. Gambla attended Midwestern University, Chicago College of Osteopathic Med, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Gambla have?
Dr. Gambla has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Gambla do most often?
According to Medicare billing data, Dr. Gambla performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 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
Is Dr. Gambla's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gambla. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.