David Wexler, MD FACG AGAF
NPI 1386637254 · Gastroenterology Physician · Clark, NJ
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Wexler, MD FACG AGAF is a Gastroenterology Physician provider in Clark, NJ (NPI 1386637254).
Provider details
- NPI number
- 1386637254
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD FACG AGAF
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MA03919800 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
249 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 | 74 | $126 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 53 | $184 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 42 | $190 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 30 | $115 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 20 | $125 |
| Diagnostic Exam of Anus Using an Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 262 | 88 |
| Omeprazole | 67 | 19 |
| Ursodiol | 59 | 15 |
| Linaclotidebrand: Linzess | 36 | 12 |
| Mesalamine | 36 | 13 |
| Rifaximinbrand: Xifaxan | 30 | — |
| Ondansetronbrand: Ondansetron Odt | 29 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$100 across 6 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
- 2005-08-25
- Last updated
- 2025-05-09
- Certified
- 2025-05-09
Frequently asked questions
- What is David Wexler's NPI number?
- David Wexler's National Provider Identifier (NPI) is 1386637254, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Wexler's specialty?
- David Wexler is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is David Wexler located?
- David Wexler's practice location on file with NPPES is 727 Raritan Rd, Clark, NJ 07066-2229.
- What is David Wexler's phone number?
- The practice phone number listed in the NPPES registry for David Wexler is (732) 499-8000.
- Does David Wexler accept Medicare?
- David Wexler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Wexler's NPI active?
- Yes — David Wexler's NPI (1386637254) is active in the NPPES registry as of the last update on 2025-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.