David Gerard, M.D.
NPI 1942312210 · Gastroenterology Physician · Downers Grove, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Gerard, M.D. is a Gastroenterology Physician provider in Downers Grove, IL (NPI 1942312210).
Provider details
- NPI number
- 1942312210
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-086438 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,400 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 237 | $132 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 166 | $16 |
| Injection of Drug Or Substance Into Vein96374 | 165 | $38 |
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500 | 161 | $59 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure, Each Additional 15 Minutes99153 | 143 | $12 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 298 | 99 |
| Famotidine | 213 | 72 |
| Pantoprazole Sodium | 78 | 21 |
| Azathioprine | 38 | — |
| Sulfasalazine | 33 | — |
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine | 25 | — |
| Mesalamine | 22 | — |
| Dicyclomine Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$541 across 23 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2022-01-05
- Certified
- 2022-01-05
Frequently asked questions
- What is David Gerard's NPI number?
- David Gerard's National Provider Identifier (NPI) is 1942312210, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Gerard's specialty?
- David Gerard is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is David Gerard located?
- David Gerard's practice location on file with NPPES is 3825 Highland Ave, Downers Grove, IL 60515-1552.
- What is David Gerard's phone number?
- The practice phone number listed in the NPPES registry for David Gerard is (630) 969-1167.
- Does David Gerard accept Medicare?
- David Gerard is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Gerard's NPI active?
- Yes — David Gerard's NPI (1942312210) is active in the NPPES registry as of the last update on 2022-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.