Quick answers
- Does Griselda Valdez accept Medicare assignment?
- Medicare's clinician data says Griselda Valdez may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- What is Griselda Valdez's NPI number?
- 1518670876. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Griselda Valdez works
Medicare's Facility Affiliation Data lists Griselda Valdez at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Johns Hopkins Howard County Medical CenterColumbia, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210048
Practice locations
Addresses where Griselda Valdez is enrolled with Medicare (CMS data updated October 2, 2026).
- 10755 Falls RdLutherville, MD 21093
- 5755 Cedar LnColumbia, MD 21044
- 5759 Cedar LnColumbia, MD 21044
- 6201 Greenleigh AveMiddle River, MD 21220
Group practices
Medicare enrollment lists Griselda Valdez as a member of this group (CMS data updated October 2, 2026).
- Johns Hopkins University2,909 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Lutherville
Clinicians with the same Medicare primary specialty in Lutherville, MD — not a recommendation.
Other clinicians in Johns Hopkins University
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1518670876 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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