Mengtao Zhang, MD
NPI 1558328641ActiveIndividual· Internal Medicine· Bellingham, MA
Internal Medicine (MD) with Umass Memorial Medical Group Inc and 1 other group, practicing in Bellingham, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $418,999 for 5,449 claims, against $105,801 paid for services in 2024. Pfizer Inc. reported $29.60 in payments in 2024, mostly food and beverage. Lists Milford Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1558328641 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 1, 2006 |
| Last updated in NPPES | Oct 7, 2025 |
| Certified by provider | Oct 7, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 215396 | 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 - Internal Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 249 |
|---|---|
| Services billed | 1,219 across 28 procedure codes |
| Paid by Medicare | $105,801 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,449 · 12,721 30-day fills |
|---|---|
| Patients | 415 |
| Total drug cost | $418,999 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Umass Memorial Medical Group IncWorcester, MA · 2,516 clinicians
- Milford Regional Physician Group, Inc.Milford, MA · 210 clinicians
Hospital affiliation
- Milford Regional Medical CenterMilford, MA
Other facilities
- Preferred Transitions Home Health Care IncHome health agency · Milford, MA
- Vna and Hospice of Greater MilfordHome health agency · Milford, MA
Industry payments (Open Payments)
- 2024$29.60 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $29.60 | 1 |
What the 2024 payments were for
- Food and Beverage$29.60 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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