Blake Rainie Slack, CNM, WHNP
NPI 1003055591ActiveIndividual· Advanced Practice Midwife· Boston, MA
Advanced Practice Midwife (CNM, WHNP) with Massachusetts General Physicians Organization Inc, practicing in Boston, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $1,802 for 16 claims, against $1,120 paid for services in 2024.
Overview
| NPI | 1003055591 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNM, WHNP |
| Sole proprietor | No |
| NPI issued | Feb 7, 2009 |
| Last updated in NPPES | Apr 28, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Advanced Practice Midwife Primary | 367A00000X | RN283129 | MA |
| Midwife | 176B00000X | AC000650 | MD |
| Midwife | 176B00000X | 283129 | MA |
| Nurse Practitioner, Women's Health | 363LW0102X | RN283129 | 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 - Certified Nurse Midwife (Cnm) (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 13 |
|---|---|
| Services billed | 25 across 10 procedure codes |
| Paid by Medicare | $1,120 |
Part D prescriptions in 2024
| Prescriptions (claims) | 16 · 25 30-day fills |
|---|---|
| Total drug cost | $1,802 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Certified Nurse Midwife (Cnm) |
Medical group
- Massachusetts General Physicians Organization IncBoston, MA · 3,558 clinicians
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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