Lauren D. Feld, M.D.
NPI 1780065557ActiveIndividual· Internal Medicine, Gastroenterology· Bellevue, WA
Internal Medicine, Gastroenterology (M.D.) in Bellevue, Washington, trained at Icahn School of Medicine at Mount Sinai (class of 2015). 260 Medicare patients in 2024, $42,319 paid; nearly all of their 264 Part D prescriptions were generic (92%).
Overview
| NPI | 1780065557 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 17, 2015 |
| Last updated in NPPES | Aug 11, 2026 |
| Certified by provider | Aug 11, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD.MD.60948403 | WA |
| Internal Medicine, Transplant Hepatology | 207RT0003X | MD.MD.60948403 | WA |
| Internal Medicine, Transplant Hepatology | 207RT0003X | 294936 | MA |
| Internal Medicine, Gastroenterology | 207RG0100X | 294936 | MA |
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 (MA); Practitioner - Gastroenterology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 260 |
|---|---|
| Services billed | 515 across 24 procedure codes |
| Paid by Medicare | $42,319 |
Part D prescriptions in 2024
| Prescriptions (claims) | 264 · 355 30-day fills |
|---|---|
| Patients | 174 |
| Total drug cost | $14,103 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Gastroenterology |
Medical group
- Umass Memorial Medical Group IncWorcester, MA · 2,516 clinicians
Hospital affiliations
- Marlborough HospitalMarlborough, MA
- Umass Memorial Medical Center/University CampusWorcester, MA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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