Hosana Mamata, MD
NPI 1811456924ActiveIndividual· Emergency Medicine· Boston, MA
Emergency Medicine (MD) in Boston, Massachusetts, trained at University of Massachusetts Medical School (class of 2019). 281 Medicare patients in 2024, $36,630 paid; nearly all of their 90 Part D prescriptions were generic (97%). Grifols USA, LLC reported $25.59 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1811456924 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 18, 2019 |
| Last updated in NPPES | Feb 26, 2025 |
| Certified by provider | Feb 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 279494 | 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 - Emergency Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 281 |
|---|---|
| Services billed | 386 across 34 procedure codes |
| Paid by Medicare | $36,630 |
Part D prescriptions in 2024
| Prescriptions (claims) | 90 · 90 30-day fills |
|---|---|
| Patients | 81 |
| Total drug cost | $1,767 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Umass Memorial Medical Group IncWorcester, MA · 2,516 clinicians
- Emerson Practice Associates, IncConcord, MA · 240 clinicians
Hospital affiliations
- Emerson Hospital -W Concord, MA
- Umass Memorial Medical Center/University CampusWorcester, MA
Industry payments (Open Payments)
- 2025$25.59 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Grifols USA, LLC | $25.59 | 1 |
What the 2025 payments were for
- Food and Beverage$25.59 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 558 emergency medicine physicians in Boston · All emergency medicine physicians in Massachusetts