Andrew S. Allegretti, M.D.
NPI 1427378991ActiveIndividual· Internal Medicine, Nephrology· Boston, MA
Internal Medicine, Nephrology (M.D.) with Massachusetts General Physicians Organization Inc and 1 other group, practicing in Boston, Massachusetts. In 2024 Medicare paid $70,653 for 237 patients, and Part D covered 502 of their prescriptions, 75% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $34,405 in all, mostly consulting fees. Lists Brigham and Women's Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1427378991 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 8, 2010 |
| Last updated in NPPES | May 21, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 251043 | MA |
| Internal Medicine | 207R00000X | L-243795 | 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 | 237 |
|---|---|
| Services billed | 716 across 23 procedure codes |
| Paid by Medicare | $70,653 |
Part D prescriptions in 2024
| Prescriptions (claims) | 502 · 1,183 30-day fills |
|---|---|
| Patients | 75 |
| Total drug cost | $100,332 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Massachusetts General Physicians Organization IncBoston, MA · 3,558 clinicians
- The General Hospital CorporationBoston, MA · 1,267 clinicians
Hospital affiliations
- Brigham and Women's HospitalBoston, MA
- Massachusetts General HospitalBoston, MA
- Newton-Wellesley HospitalNewton, MA
- North Shore Medical Center -Salem, MA
- Wentworth-Douglass HospitalDover, NH
Other facilities
- Dci Ball SquareDialysis facility · Somerville, MA
Industry payments (Open Payments)
- 2025$34,405 · 14 payments from 2 companies
- 2024$42,586 · 21 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $34,400 | 11 |
| Travere Therapeutics, Inc. | $4.98 | 3 |
What the 2025 payments were for
- Consulting Fee$34,400 · 11 payments
- Education$4.98 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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