Darrick K. Li, MD, PHD
NPI 1063825131ActiveIndividual· Internal Medicine, Gastroenterology· New Haven, CT
Internal Medicine, Gastroenterology (MD, PHD) in New Haven, Connecticut, trained at Columbia University College of Physicians and Surgeons (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $289,339 for 801 claims, against $86,036 paid for services in 2024. Phathom Pharmaceuticals, Inc. was the largest of 21 companies reporting payments in 2025, $7,410 in all, mostly speaking and faculty fees.
Overview
| NPI | 1063825131 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Jun 6, 2014 |
| Last updated in NPPES | Sep 6, 2020 |
| Certified by provider | Sep 6, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 66534 | CT |
| Internal Medicine | 207R00000X | L-259656 | MA |
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 (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 388 |
|---|---|
| Services billed | 1,659 across 45 procedure codes |
| Paid by Medicare | $86,036 |
Part D prescriptions in 2024
| Prescriptions (claims) | 801 · 1,412 30-day fills |
|---|---|
| Patients | 370 |
| Total drug cost | $289,339 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Connecticut Gi PLLCWallingford, CT · 248 clinicians
Hospital affiliations
- Lawrence & Memorial HospitalNew London, CT
- Westerly HospitalWesterly, RI
- William W Backus HospitalNorwich, CT
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$7,410 · 142 payments from 21 companies
- 2024$19,481 · 112 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $4,627 | 27 |
| Abbvie Inc. | $577.64 | 24 |
| Madrigal Pharmaceuticals | $332.61 | 8 |
| Gilead Sciences, Inc. | $332.58 | 16 |
| Takeda Pharmaceuticals U.S.A., Inc. | $252.01 | 9 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$4,000 · 2 payments
- Food and Beverage$3,410 · 140 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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