John Danziger, M.D.
NPI 1730161142ActiveIndividual· Internal Medicine, Nephrology· Boston, MA
Internal Medicine, Nephrology (M.D.) in Boston, Massachusetts, trained at University of Texas Southwestern Medical School at Dallas (class of 1999). In 2024 Medicare paid $149,618 for 419 patients, and Part D covered 822 of their prescriptions, 78% of them generic.
Overview
| NPI | 1730161142 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 20, 2005 |
| Last updated in NPPES | Feb 25, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 213443 | 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 - Nephrology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 419 |
|---|---|
| Services billed | 2,183 across 58 procedure codes |
| Paid by Medicare | $149,618 |
Part D prescriptions in 2024
| Prescriptions (claims) | 822 · 1,955 30-day fills |
|---|---|
| Patients | 171 |
| Total drug cost | $159,922 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr IncBoston, MA · 1,740 clinicians
- Atrius Health IncBraintree, MA · 1,222 clinicians
- Malik MD Health Services, LLCBurlington, MA · 3 clinicians
Hospital affiliations
- Beth Israel Deaconess Hospital - MiltonMilton, MA
- Beth Israel Deaconess Hospital - NeedhamNeedham, MA
- Beth Israel Deaconess Medical CenterBoston, MA
- Boston Medical CenterBoston, MA
Other facilities
- Concerto Massachusetts LLCDialysis facility · Stoughton, MA
- Davita Boston DialysisDialysis facility · Boston, MA
- Davita Brookline DialysisDialysis facility · Brookline, MA
- Davita Wellington Circle Dialysis CenterDialysis facility · Medford, MA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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