Doctor profile · Federal record
Dr. Joseph Duva, MD
Gastroenterology Physician (CMS: Gastroenterology) · Riverhead, NY
- NPI 1992817977
- Accepts Medicare
- MIPS 88.8 / 100 · 2023
- 48 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
887 Old Country RD, Suite A
Riverhead, NY 119012115
(631) 727-6122
fax (631) 727-2672
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New York #139327
- Medicaid
- NY #00793375
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1992817977. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
970
Distinct HCPCS
10
Medicare allowed
$265,268
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 143 | 143 | $388 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 137 | 135 | $444 | |
45384 |
Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery | 106 | 106 | $602 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 82 | 49 | $41 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 77 | 76 | $149 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 52 | 29 | $38 | |
88313 |
Special stained specimen slides to examine tissue including interpretation and report | 51 | 26 | $13 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 50 | 49 | $134 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 44 | 34 | $209 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 43 | 43 | $220 |
In context: peer comparison
Among 3 peers in Riverhead Gastroenterology Physician, average services per provider: 55. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$1,649
Transactions
78
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 23 | $420.47 | |
| Qol Medical, LLC | 13 | $381.70 | |
| Abbvie INC. | 14 | $286.17 | |
| Phathom Pharmaceuticals, INC. | 10 | $204.98 | |
| Merck Sharp & Dohme LLC | 6 | $101.91 | |
| Regeneron Healthcare Solutions, INC. | 2 | $45.30 | |
| Celltrion USA INC. | 2 | $39.62 | |
| Daiichi Sankyo INC. | 1 | $26.56 | |
| Ardelyx, INC. | 1 | $25.24 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $22.67 | |
| Exact Sciences Corporation | 1 | $21.88 | |
| Madrigal Pharmaceuticals | 1 | $19.43 | |
| Shield Therapeutics INC | 1 | $18.39 | |
| RedHill Biopharma INC. | 1 | $18.17 | |
| ViiV Healthcare Company | 1 | $16.99 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,542
Patients
599
Total drug cost
$265,208
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Dicyclomine Hcl | Generic | 351 | 119 | $8,749 |
| Omeprazole | Generic | 350 | 110 | $4,604 |
| Pantoprazole Sodium | Generic | 141 | 55 | $2,713 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 129 | 126 | $9,199 |
| Famotidine | Generic | 107 | 40 | $2,095 |
| Linzess (Linaclotide) | Brand | 98 | 26 | $75,084 |
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 83 | 81 | $13,253 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 57 | 0 | $4,161 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 51 | 0 | $20,884 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 48 | 24 | $6,033 |
Frequently asked questions
What is Dr. Joseph Duva's medical specialty?
Dr. Joseph Duva practices Gastroenterology Physician in Riverhead, NY.
Where does Dr. Joseph Duva practice?
Dr. Joseph Duva practices at 887 Old Country RD, Riverhead, NY 119012115. Office phone: 6317276122.
What is Dr. Joseph Duva's NPI?
Dr. Joseph Duva's National Provider Identifier (NPI) is 1992817977, issued by NPPES.
Does Dr. Joseph Duva accept Medicare assignment?
Yes. Dr. Joseph Duva accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Duva commonly perform?
Top Medicare-reported procedures in 2023: Diagnostic exam of large bowel using a flexible endoscope (HCPCS 45378); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery (HCPCS 45384). Source: CMS Medicare Physician & Other Practitioners file.