Daniel P. Gaposchkin, M.D/PH.D.
NPI 1821194879ActiveIndividual· Internal Medicine· Wellesley, MA
Internal Medicine (M.D/PH.D.) with Massachusetts General Physicians Organization Inc and 1 other group, practicing in Wellesley, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $641,841 for 5,988 claims, against $114,580 paid for services in 2024. Lists Brigham and Women's Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1821194879 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D/PH.D. |
| Sole proprietor | No |
| NPI issued | Sep 16, 2006 |
| Last updated in NPPES | Jul 15, 2026 |
| Certified by provider | Jul 15, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 222235 | 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 | 341 |
|---|---|
| Services billed | 1,434 across 29 procedure codes |
| Paid by Medicare | $114,580 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,988 · 14,621 30-day fills |
|---|---|
| Patients | 502 |
| Total drug cost | $641,841 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Massachusetts General Physicians Organization IncBoston, MA · 3,558 clinicians
- Private Health Care Group, LLCWellesley, MA · 5 clinicians
Hospital affiliations
- Brigham and Women's HospitalBoston, MA
- Massachusetts Eye and Ear Infirmary -Boston, MA
- Massachusetts General HospitalBoston, MA
- Newton-Wellesley HospitalNewton, MA
- North Shore Medical Center -Salem, MA
Other facilities
- Emerson Hospital Home Care ProgramHome health agency · Concord, MA
- Mass General Brigham Home Care, IncHome health agency · Newton, MA
- Metrowest Homecare and Hospice, An Amedisys CompanyHome health agency · Marlborough, MA
- Spaulding Rehabilitation HospitalInpatient rehabilitation facility · Charlestown, 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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All 96 internal medicine physicians in Wellesley · All internal medicine physicians in Massachusetts