Quick answers
- Where does Diane Witkowski see patients?
- Medicare's clinician data lists 2 practice locations, including Silver Spring, MD and Frederick, MD. Call before your visit to confirm the address.
- What is Diane Witkowski's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Diane Witkowski accept Medicare assignment?
- Yes. Medicare's clinician data says Diane Witkowski accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Diane Witkowski?
- (240) 865-3135, as listed in official Medicare / NPI Registry data.
- What is Diane Witkowski's NPI number?
- 1720483456. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Diane Witkowski is enrolled with Medicare (CMS data updated 2026-10-02).
- 10301 Georgia Ave, Suite 203wSilver Spring, MD 20902 (240) 865‑3135
- 617 W Patrick St, Suite 223Frederick, MD 21701 (240) 405‑8084
Group practices
Medicare enrollment lists Diane Witkowski as a member of these groups (CMS data updated 2026-10-02).
- Blue Sky Mental Health Clinic LLC7 clinicians in the group
- Lake Linganore Psychiatry, PLLC6 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Silver Spring
Clinicians with the same Medicare primary specialty in Silver Spring, MD — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1720483456 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians