Quick answers
- Where does Robbin E. Witkowski see patients?
- Medicare's clinician data lists 2 practice locations, including Lutherville Timonium, MD and Bel Air, MD. Call before your visit to confirm the address.
- What is Robbin E. Witkowski's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Robbin E. Witkowski accept Medicare assignment?
- Yes. Medicare's clinician data says Robbin E. 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 Robbin E. Witkowski?
- (443) 519-2128, as listed in official Medicare / NPI Registry data.
- What is Robbin E. Witkowski's NPI number?
- 1740731827. 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 Robbin E. Witkowski is enrolled with Medicare (CMS data updated 2026-10-02).
- 1300 York Rd, Suite 30dLutherville Timonium, MD 21093 (443) 519‑2128
- 2225 Old Emmorton Rd, Suite 111Bel Air, MD 21015 (443) 987‑6998
Group practices
Medicare enrollment lists Robbin E. Witkowski as a member of this group (CMS data updated 2026-10-02).
- Matthew P Mardiney MD PC4 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Lutherville Timonium
Clinicians with the same Medicare primary specialty in Lutherville Timonium, MD — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740731827 |
| 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