Kristin Castillo Farias, M.D.
NPI 1851658231ActiveIndividual· Internal Medicine· Brookline, MA
Internal Medicine (M.D.) in Brookline, Massachusetts, trained at Harvard Medical School (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $18,412 for 246 claims, against $9,910 paid for services in 2024.
Overview
| NPI | 1851658231 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 23, 2012 |
| Last updated in NPPES | Oct 17, 2024 |
| Certified by provider | Oct 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 261528 | MA |
| Internal Medicine | 207R00000X | ME133787 | FL |
| Pediatrics | 208000000X | 261528 | MA |
| Pediatrics | 208000000X | ME133787 | FL |
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 (FL); Practitioner - Pediatric Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 36 |
|---|---|
| Services billed | 128 across 20 procedure codes |
| Paid by Medicare | $9,910 |
Part D prescriptions in 2024
| Prescriptions (claims) | 246 · 577 30-day fills |
|---|---|
| Patients | 46 |
| Total drug cost | $18,412 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Pediatric Medicine |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Brigham and Womens Physicians Organization IncBoston, MA · 2,994 clinicians
Hospital affiliations
- Brigham and Women Faulkner HospitalJamaica Plain, MA
- Brigham and Women's HospitalBoston, MA
- Newton-Wellesley HospitalNewton, MA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Brookline
- 1043288749
- 1063491397
- 1144254053
- 1225098924
- 1265457675
- 1386625739
- 1508834011
- 1558336180
- 1568082881
- 1669769501
- 1043277643
- 1063779056
All 71 internal medicine physicians in Brookline · All internal medicine physicians in Massachusetts