Carolyn Dahlen Alonso, M.D.
NPI 1841336039ActiveIndividual· Internal Medicine, Infectious Disease· Boston, MA
Internal Medicine, Infectious Disease (M.D.) in Boston, Massachusetts, trained at Boston University School of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $280,022 for 213 claims, against $30,442 paid for services in 2024.
Overview
| NPI | 1841336039 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 29, 2007 |
| Last updated in NPPES | Jun 12, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 247115 | MA |
| Internal Medicine | 207R00000X | 247115 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 166 |
|---|---|
| Services billed | 342 across 14 procedure codes |
| Paid by Medicare | $30,442 |
Part D prescriptions in 2024
| Prescriptions (claims) | 213 · 240 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $280,022 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | Boston University School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Infectious Disease |
| Telehealth | Offers telehealth |
Medical group
- Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr IncBoston, MA · 1,740 clinicians
Hospital affiliation
- Beth Israel Deaconess Medical CenterBoston, 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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