Daniela J. Capriles Diaz, M.D.
NPI 1104000884ActiveIndividual· Internal Medicine· Concord, MA
Internal Medicine (M.D.) with Leelhan PC, practicing in Concord, Massachusetts. 512 Medicare patients in 2024, $171,774 paid; nearly all of their 919 Part D prescriptions were generic (90%). Astrazeneca Pharmaceuticals LP was the largest of 4 companies reporting payments in 2025, $151.14 in all, mostly food and beverage. Lists Emerson Hospital - as a hospital affiliation.
Overview
| NPI | 1104000884 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 18, 2007 |
| Last updated in NPPES | Jun 26, 2020 |
| Certified by provider | Jun 26, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 234329 | 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 | 512 |
|---|---|
| Services billed | 1,914 across 26 procedure codes |
| Paid by Medicare | $171,774 |
Part D prescriptions in 2024
| Prescriptions (claims) | 919 · 2,333 30-day fills |
|---|---|
| Patients | 271 |
| Total drug cost | $98,801 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical group
- Leelhan PCConcord, MA · 2 clinicians
Hospital affiliation
- Emerson Hospital -W Concord, MA
Industry payments (Open Payments)
- 2025$151.14 · 7 payments from 4 companies
- 2024$227.72 · 12 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $54.22 | 2 |
| Novartis Pharmaceuticals Corporation | $42.46 | 2 |
| Abbott Laboratories | $36.57 | 2 |
| Amgen Inc. | $17.89 | 1 |
What the 2025 payments were for
- Food and Beverage$151.14 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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