Zachary P. Fricker, MD
NPI 1790049161ActiveIndividual· Internal Medicine, Hepatology· Boston, MA
Internal Medicine, Hepatology (MD) with Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc, practicing in Boston, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $361,459 for 1,198 claims, against $59,383 paid for services in 2024. W. L. Gore & Associates, Inc. was the largest of 2 companies reporting payments in 2025, $9,314 in all, mostly consulting fees. Lists Beth Israel Deaconess Hospital - Milton and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1790049161 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 29, 2012 |
| Last updated in NPPES | Aug 13, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hepatology Primary | 207RI0008X | 262478 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 279 |
|---|---|
| Services billed | 797 across 26 procedure codes |
| Paid by Medicare | $59,383 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,198 · 1,997 30-day fills |
|---|---|
| Patients | 204 |
| Total drug cost | $361,459 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr IncBoston, MA · 1,740 clinicians
Hospital affiliations
- Beth Israel Deaconess Hospital - MiltonMilton, MA
- Beth Israel Deaconess Hospital - NeedhamNeedham, MA
- Beth Israel Deaconess Medical CenterBoston, MA
Industry payments (Open Payments)
- 2025$9,314 · 9 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| W. L. Gore & Associates, Inc. | $8,330 | 8 |
| Lantheus Medical Imaging, Inc. | $983.33 | 1 |
What the 2025 payments were for
- Consulting Fee$8,243 · 4 payments
- Travel and Lodging$1,005 · 4 payments
- Food and Beverage$65.12 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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