Johanna H. Klein, M.D.
NPI 1144254053ActiveIndividual· Internal Medicine· Brookline, MA
Internal Medicine (M.D.) in Brookline, Massachusetts, trained at Boston University School of Medicine (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $202,774 for 2,285 claims, against $32,653 paid for services in 2024. Lilly USA, LLC was the largest of 7 companies reporting payments in 2025, $552.08 in all, mostly food and beverage.
Overview
| NPI | 1144254053 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 10, 2006 |
| Last updated in NPPES | Jan 22, 2020 |
| Certified by provider | Jan 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 153948 | 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 - Internal Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 110 |
|---|---|
| Services billed | 472 across 20 procedure codes |
| Paid by Medicare | $32,653 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,285 · 5,087 30-day fills |
|---|---|
| Patients | 154 |
| Total drug cost | $202,774 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Boston University School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Beth Israel Deaconess Medical CenterBoston, MA
- Brigham and Women Faulkner HospitalJamaica Plain, MA
- Brigham and Women's HospitalBoston, MA
- Massachusetts General HospitalBoston, MA
- Mount Auburn HospitalCambridge, MA
Industry payments (Open Payments)
- 2025$552.08 · 24 payments from 7 companies
- 2024$240.47 · 14 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $179.15 | 4 |
| Abbvie Inc. | $166.63 | 11 |
| Csl Behring | $116.50 | 4 |
| Exact Sciences Corporation | $38.49 | 2 |
| Novo Nordisk Inc | $18.29 | 1 |
What the 2025 payments were for
- Food and Beverage$552.08 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 71 internal medicine physicians in Brookline · All internal medicine physicians in Massachusetts