Joseph Duva, MD
NPI 1992817977 · Gastroenterology Physician · Riverhead, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Duva, MD is a Gastroenterology Physician provider in Riverhead, NY (NPI 1992817977).
Provider details
- NPI number
- 1992817977
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 139327 (NY)
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
1,423 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 242 | $40 |
| Microscopic Genetic Analysis of Tissue, Manual, Each Additional Multiplex Stain Procedure88377 | 156 | $71 |
| Diagnostic Exam of Large Bowel Using a Flexible Endoscope45378 | 151 | $370 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 142 | $13 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 122 | $414 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 326 | 112 |
| Dicyclomine Hcl | 267 | 113 |
| Pantoprazole Sodium | 146 | 61 |
| Linaclotidebrand: Linzess | 107 | 37 |
| Famotidine | 88 | 35 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 68 | 67 |
| Peg 3350/Sod Sulf,chlr/Pot/Magbrand: Suflave | 56 | 53 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,649 across 78 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
- 2007-07-08
Frequently asked questions
- What is Joseph Duva's NPI number?
- Joseph Duva's National Provider Identifier (NPI) is 1992817977, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Duva's specialty?
- Joseph Duva is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Duva located?
- Joseph Duva's practice location on file with NPPES is 887 Old Country Rd, Riverhead, NY 11901-2115.
- What is Joseph Duva's phone number?
- The practice phone number listed in the NPPES registry for Joseph Duva is (631) 727-6122.
- Does Joseph Duva accept Medicare?
- Joseph Duva is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Duva's NPI active?
- Yes — Joseph Duva's NPI (1992817977) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.