GRISELDA VALDEZ CRNP-PMH
NPI 1518670876
Nurse Practitioner - Psychiatric/Mental Health in Windsor Mill, MD
About Griselda Valdez Crnp-pmh NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRISELDA VALDEZ CRNP-PMH (NPI 1518670876) is an individual psychiatric/mental health provider in Windsor Mill, Maryland, licensed in Maryland (R239776) and active in the NPI registry since January 2023. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Howard County Medical Center, and maintains a secondary practice location in Columbia.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Griselda Valdez Crnp-pmh is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Griselda Valdez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Howard County Medical Center
Acute Care Hospitals · Columbia, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21244 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WINDSOR MILL, MD 21244
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Griselda Valdez's NPI number?
The NPI number for Griselda Valdez is 1518670876. It was assigned to this individual provider in the NPPES registry on January 3, 2023.
Where is Griselda Valdez located?
Griselda Valdez practices at 7001 Johnnycake Rd Ste 107, Windsor Mill, MD 21244. The listed phone number is (703) 423-0794.
What is Griselda Valdez's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Griselda Valdez enrolled in Medicare?
Yes. Griselda Valdez is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Griselda Valdez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Griselda Valdez reassigns Medicare benefits to Johns Hopkins University (Baltimore, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Griselda Valdez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Griselda Valdez affiliated with any hospitals?
According to CMS data, Griselda Valdez is affiliated with Johns Hopkins Howard County Medical Center.
When was this NPI record last updated?
The NPPES record for Griselda Valdez was last updated on August 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Griselda Valdez, CRNP-PMH · NPI 1518670876
Psychiatric/Mental Health physician in Windsor Mill, Maryland. Individual provider, active in the CMS NPPES registry since January 3, 2023.
## Identity
- **NPI:** 1518670876 (Entity type: Individual)
- **Enumerated:** January 3, 2023
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** R239776 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 7001 JOHNNYCAKE RD STE 107, Windsor Mill, MD 21244-2419
- **Phone:** (703) 423-0794
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Johns Hopkins University (NPI 1295731966, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** August 1, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1518670876) · Data from the CMS NPPES public registry.