Christina Sadler
NPI 1538992235 · Psychiatric/Mental Health Nurse Practitioner · Valencia, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christina Sadler is a Psychiatric/Mental Health Nurse Practitioner provider in Valencia, CA (NPI 1538992235).
Provider details
- NPI number
- 1538992235
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 95031522 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
1 yr in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$122 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-08-20
- Last updated
- 2025-09-24
- Certified
- 2025-09-24
Frequently asked questions
- What is Christina Sadler's NPI number?
- Christina Sadler's National Provider Identifier (NPI) is 1538992235, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Sadler's specialty?
- Christina Sadler is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christina Sadler located?
- Christina Sadler's practice location on file with NPPES is 25000 Avenue Stanford Ste 167, Valencia, CA 91355-4596.
- What is Christina Sadler's phone number?
- The practice phone number listed in the NPPES registry for Christina Sadler is (661) 299-7022.
- Does Christina Sadler accept Medicare?
- Christina Sadler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christina Sadler's NPI active?
- Yes — Christina Sadler's NPI (1538992235) is active in the NPPES registry as of the last update on 2025-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.