Karen Valerio, FNP-BC
NPI 1528743820 · Family Nurse Practitioner · San Fernando, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Valerio, FNP-BC is a Family Nurse Practitioner provider in San Fernando, CA (NPI 1528743820).
Provider details
- NPI number
- 1528743820
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 807731 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
3 yrs 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.
$26 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
- 2023-06-15
- Last updated
- 2025-04-23
- Certified
- 2025-04-23
Frequently asked questions
- What is Karen Valerio's NPI number?
- Karen Valerio's National Provider Identifier (NPI) is 1528743820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Valerio's specialty?
- Karen Valerio is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Valerio located?
- Karen Valerio's practice location on file with NPPES is 919 N Maclay Ave Ste a, San Fernando, CA 91340-1474.
- What is Karen Valerio's phone number?
- The practice phone number listed in the NPPES registry for Karen Valerio is (747) 366-0370.
- Does Karen Valerio accept Medicare?
- Karen Valerio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Valerio's NPI active?
- Yes — Karen Valerio's NPI (1528743820) is active in the NPPES registry as of the last update on 2025-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.