Dupinder Singh, M.D.
NPI 1245671833ActiveIndividual· Internal Medicine, Gastroenterology· Duarte, CA
Internal Medicine, Gastroenterology (M.D.) with City of Hope Medical Foundation, practicing in Duarte, California. Their prescriptions cost Medicare Part D more than their services did: $325,412 for 581 claims, against $83,354 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 2 companies reporting payments in 2025, $132.86 in all, mostly food and beverage.
Overview
| NPI | 1245671833 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 11, 2013 |
| Last updated in NPPES | Dec 2, 2020 |
| Certified by provider | Dec 2, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A161325 | CA |
| Internal Medicine | 207R00000X | 4301102786 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 495 |
|---|---|
| Services billed | 811 across 37 procedure codes |
| Paid by Medicare | $83,354 |
Part D prescriptions in 2024
| Prescriptions (claims) | 581 · 955 30-day fills |
|---|---|
| Patients | 237 |
| Total drug cost | $325,412 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
Industry payments (Open Payments)
- 2025$132.86 · 5 payments from 2 companies
- 2024$33.23 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $103.77 | 4 |
| Phathom Pharmaceuticals, Inc. | $29.09 | 1 |
What the 2025 payments were for
- Food and Beverage$132.86 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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