Caroline Marie Hsu, M.D.
NPI 1972957207ActiveIndividual· Internal Medicine, Nephrology· Boston, MA
Internal Medicine, Nephrology (M.D.) in Boston, Massachusetts, trained at Icahn School of Medicine at Mount Sinai (class of 2016). In 2024 Medicare paid $42,765 for 76 patients, and Part D covered 411 of their prescriptions, 83% of them generic. Vantive US Healthcare LLC reported $129.05 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1972957207 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 23, 2016 |
| Last updated in NPPES | Sep 25, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 278398 | 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 - Nephrology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 76 |
|---|---|
| Services billed | 248 across 11 procedure codes |
| Paid by Medicare | $42,765 |
Part D prescriptions in 2024
| Prescriptions (claims) | 411 · 571 30-day fills |
|---|---|
| Patients | 22 |
| Total drug cost | $61,990 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Pratt Medical Group IncBoston, MA · 286 clinicians
Hospital affiliations
- Cambridge Health AllianceCambridge, MA
- Emerson Hospital -W Concord, MA
- Tufts Medical CenterBoston, MA
Other facilities
- Dci Ball SquareDialysis facility · Somerville, MA
- Dialysis Clinic, Inc. (Dci Boston)Dialysis facility · Boston, MA
Industry payments (Open Payments)
- 2025$129.05 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vantive US Healthcare LLC | $129.05 | 2 |
What the 2025 payments were for
- Food and Beverage$129.05 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Nephrology providers in Boston
- 1447910864
- 1508687229
- 1780674085
- 1164743209
- 1174946347
- 1356359368
- 1710960232
- 1467722579
- 1043690332
- 1821309188
- 1598885980
- 1255680997
All Internal Medicine, Nephrology providers in Massachusetts →