Calvin Q. Pan, M.D.
NPI 1427062108ActiveIndividual· Internal Medicine, Gastroenterology· Flushing, NY
Internal Medicine, Gastroenterology (M.D.) with Medical Procare, PLLC, practicing in Flushing, New York. Their prescriptions cost Medicare Part D more than their services did: $560,493 for 1,380 claims, against $33,462 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 8 companies reporting payments in 2025, $8,112 in all, mostly consulting fees.
Overview
| NPI | 1427062108 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 28, 2006 |
| Last updated in NPPES | Apr 19, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 203898 | NY |
| Internal Medicine | 207R00000X | 203898 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 79 |
|---|---|
| Services billed | 290 across 19 procedure codes |
| Paid by Medicare | $33,462 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,380 · 1,479 30-day fills |
|---|---|
| Patients | 285 |
| Total drug cost | $560,493 |
| Generic share | 63% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Family Practice, Internal Medicine |
Medical group
- Medical Procare, PLLCFlushing, NY · 2 clinicians
Industry payments (Open Payments)
- 2025$8,112 · 20 payments from 8 companies
- 2024$457.30 · 21 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $4,092 | 3 |
| Gilead Sciences, Inc. | $3,575 | 7 |
| Abbvie Inc. | $194.77 | 3 |
| Ipsen Biopharmaceuticals, Inc | $104.38 | 1 |
| Intra-Sana Laboratories | $47.50 | 2 |
What the 2025 payments were for
- Consulting Fee$7,400 · 3 payments
- Food and Beverage$712.08 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 64 gastroenterologists in Flushing · All gastroenterologists in New York