Lauri A. Welch, NP
NPI 1972625788ActiveIndividual· Nurse Practitioner· North Chelmsford, MA
Nurse Practitioner (NP) with Digestive Health Specialists, P.C., practicing in North Chelmsford, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $697,553 for 680 claims, against $54,683 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 23 companies reporting payments in 2025, $46,710 in all, mostly speaking and faculty fees. Lists Lowell General Hospital as a hospital affiliation.
Overview
| NPI | 1972625788 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Apr 4, 2007 |
| Last updated in NPPES | Dec 11, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 186383 | 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 - Nurse Practitioner (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 222 |
|---|---|
| Services billed | 1,422 across 20 procedure codes |
| Paid by Medicare | $54,683 |
Part D prescriptions in 2024
| Prescriptions (claims) | 680 · 1,206 30-day fills |
|---|---|
| Patients | 159 |
| Total drug cost | $697,553 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Digestive Health Specialists, P.C.Chelmsford, MA · 13 clinicians
Hospital affiliation
- Lowell General HospitalLowell, MA
Industry payments (Open Payments)
- 2025$46,710 · 154 payments from 23 companies
- 2024$26,839 · 155 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $28,982 | 52 |
| Gilead Sciences, Inc. | $14,343 | 36 |
| Phathom Pharmaceuticals, Inc. | $1,882 | 7 |
| Takeda Pharmaceuticals U.S.A., Inc. | $329.98 | 11 |
| Abbvie Inc. | $290.64 | 10 |
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$31,310 · 21 payments
- Consulting Fee$6,015 · 3 payments
- Food and Beverage$5,012 · 112 payments
- Travel and Lodging$4,373 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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