Diane Witkowski
NPI 1720483456ActiveIndividual· Nurse Practitioner· Frederick, MD
Nurse Practitioner with Blue Sky Mental Health Clinic LLC and 1 other group, practicing in Frederick, Maryland. Enrolled in Medicare as practitioner - nurse practitioner and practitioner - nurse practitioner.
Overview
| NPI | 1720483456 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Oct 23, 2014 |
| Last updated in NPPES | Jun 13, 2025 |
| Certified by provider | Jun 13, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | R186991 | MD |
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 - Nurse Practitioner (DC); Practitioner - Nurse Practitioner (MD) |
|---|
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Blue Sky Mental Health Clinic LLCSilver Spring, MD · 7 clinicians
- Lake Linganore Psychiatry, PLLCFrederick, MD · 6 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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