Are you David P. Gerard, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 3825 Highland Ave, Suite 203, Downers Grove, IL 60515
About Dr. Gerard
Based in Downers Grove, IL, David P. Gerard, M.D. is listed in the NPI registry under gastroenterology. David graduated from University of Chicago, Pritzker School of Medicine in 1987. According to Medicare claims data, David cared for 1,621 Medicare patients across 1,812 services. 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, 5% dextrose/normal saline (500 ml = 1 unit), and injection of additional new drug or substance into vein. NPI 1942312210 identifies this record in the national registry.
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
- (630) 969-1167
- Email not available
Practice Locations
3825 HIGHLAND AVE SUITE 203
Downers Grove, IL 60515
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
Chronic conditions
Liver health
Specialized and cancer
- Short bowel syndrome
Wound care
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
- Acute pancreatitis
- Gallstones
- Pancreatic cysts
- Primary sclerosing cholangitis
Colon and anorectal
Esophagus and swallowing
- Barrett's esophagus
- Eosinophilic esophagitis
- Esophageal stricture
- Esophagitis
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
- Functional dyspepsia
- Gastritis
- Gastroparesis
- H. pylori infection
- Peptic ulcer disease
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Advanced endoscopy
- EUS-guided biopsy
Biliary and pancreatic endoscopy
- Biliary sphincterotomy
- Endoscopic bile duct stone removal
Capsule and physiology testing
- Ambulatory reflux monitoring
- Capsule endoscopy
- Hydrogen and methane breath testing
- Anorectal manometry
- Esophageal manometry
Chronic illness
Clinical Nutrition
Diagnostic Testing
- 24-Hour Acid Reflux Test
- H. Pylori Breath Test
- SIBO Breath Test
- EUS-Guided Fine Needle Biopsy
Digestive
General surgery
Infection & Microbiology Tests
Liver procedures
- Paracentesis
- Esophageal variceal banding
- Liver elastography
Lower endoscopy
- Colon polyp removal
- Diagnostic colonoscopy
- Endoscopic control of gastrointestinal bleeding
- Flexible sigmoidoscopy
Nursing care
Nutrition & Digestion
Upper endoscopy
- Endoscopic mucosal resection
- Esophageal biopsy
- Esophageal dilation
- Stomach biopsy
- Endoscopic submucosal dissection
Most searched procedures
- Colonoscopy
- Endoscopy
- Gallbladder removal
- Hernia repair
- Liver biopsy
Treatments
- Stool Transplant
Procedures Most Often Billed to Medicare
1,812 services · 1,621 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
65 | More often than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
61 | More often than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery | Procedure | 45384 |
60 | More often than most peers in Gastroenterology |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
38 | More often than most peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
38 | Less often than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
26 | Less often than most peers in Gastroenterology |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
166 | Too few peers to compare |
| Injection of drug or substance into vein | Treatment | 96374 |
165 | Too few peers to compare |
| Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes | Treatment | 99153 |
143 | More than most peers in Gastroenterology |
| 5% dextrose/normal saline (500 ml = 1 unit) | Drug given | J7042 |
166 | Too few peers to compare |
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 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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 — 27 related providers in 4 groups
Other gastroenterologists in Downers Grove 3
Same specialty, same city.
Trained at University of Chicago, Pritzker School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at University of Chicago, Pritzker School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does David P. Gerard specialize in?
David P. Gerard is a gastroenterologist in Downers Grove, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is David P. Gerard located?
David P. Gerard is listed at 3825 Highland Ave Suite 203, Downers Grove, IL 60515. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is David P. Gerard's phone number?
The number on file is (630) 969-1167. Contact the office directly to confirm availability and scheduling.
NPI registry
What is David P. Gerard's NPI number?
David P. Gerard's National Provider Identifier is 1942312210. 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 P. Gerard train?
David P. Gerard attended University of Chicago, Pritzker School of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How long has David P. Gerard been practicing?
David P. Gerard has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What does David P. Gerard do most often?
According to Medicare billing data, David P. Gerard performs procedures including insertion of needle into vein for collection of blood sample, biopsy of large bowel using a flexible endoscope and removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery; provides treatments such as injection of additional new drug or substance into vein and injection of drug or substance into vein, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has David P. Gerard confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by David P. Gerard. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.