Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Crystal Marie Ryan, BSN RN
Registered Nurse in Valhalla, NY · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1205692894
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Registry record
Entity type Individual (Type 1)
Name Crystal Marie Ryan
Credential BSN RN
Sex Female
Practice address 100 Woods Rd, Valhalla, NY, 10595
Phone (914) 493-7000
Enumeration date Feb 22, 2024
Last updated in NPPES Feb 22, 2024
Taxonomy & licenses
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Crystal Ryan?
The National Provider Identifier (NPI) for Crystal Ryan is 1205692894, a Type 1 (individual) record in the CMS NPPES registry.
Where does Crystal Ryan practice?
The practice location on file with NPPES is in Valhalla, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Nagwa Saleh Radiation Oncology Physician · Valhalla, NY NPI 1265436802 Samuel Barst Anesthesiology Physician · Valhalla, NY NPI 1922004308 Debra Lederman Anesthesiology Physician · Valhalla, NY NPI 1063418341 Kar-Mei Chan Anesthesiology Physician · Valhalla, NY NPI 1629075783 Diana Santiago Anesthesiology Physician · Valhalla, NY NPI 1568469690 Randy Goldberg Internal Medicine Physician · Valhalla, NY NPI 1154329936 John Cooley Anesthesiology Physician · Valhalla, NY NPI 1033118666 Gad Alpan Neonatal-Perinatal Medicine Physician · Valhalla, NY NPI 1154320430
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-02-22.