Alliam Regan, MD
NPI 1407274574ActiveIndividual· Internal Medicine· Springfield, MA
Internal Medicine (MD) in Springfield, Massachusetts, trained at University of Massachusetts Medical School (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $64,800 for 1,180 claims, against $15,911 paid for services in 2024.
Overview
| NPI | 1407274574 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 4, 2014 |
| Last updated in NPPES | Jun 25, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 273227 | 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 - Internal Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 122 |
|---|---|
| Services billed | 184 across 16 procedure codes |
| Paid by Medicare | $15,911 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,180 · 2,025 30-day fills |
|---|---|
| Patients | 258 |
| Total drug cost | $64,800 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical groups
- Geriatric Primary Care PCAgawam, MA · 13 clinicians
- Am Medical PCLongmeadow, MA · 13 clinicians
Hospital affiliations
- Baystate Medical CenterSpringfield, MA
- Baystate Noble HospitalWestfield, MA
- Cooley Dickinson Hospital Inc,theNorthampton, MA
Other facilities
- Baystate Home HealthHome health agency · W Springfield, 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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