BERNADETTE DE GUZMAN MERCADO NP
NPI 1659042596
Nurse Practitioner - Family in Valencia, CA
About Bernadette De Guzman Mercado Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BERNADETTE DE GUZMAN MERCADO NP (NPI 1659042596) is an individual family provider in Valencia, California, licensed in California (95016969) and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Bernadette De Guzman Mercado Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Bernadette Mercado reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90034
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Minghsun Liu MD PC
- 95 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91355 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Bernadette Mercado's NPI number?
The NPI number for Bernadette Mercado is 1659042596. It was assigned to this individual provider in the NPPES registry on September 21, 2021.
Where is Bernadette Mercado located?
Bernadette Mercado practices at 23428 Magic Mountain Pkwy Apt 1404, Valencia, CA 91355. The listed phone number is (224) 247-8277.
What is Bernadette Mercado's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Bernadette Mercado enrolled in Medicare?
Yes. Bernadette Mercado is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Bernadette Mercado's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Bernadette Mercado reassigns Medicare benefits to Minghsun Liu, M.D., PC (Los Angeles, CA). 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 Bernadette Mercado's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Bernadette Mercado was last updated on September 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.
# Bernadette De Guzman Mercado, NP · NPI 1659042596
Family physician in Valencia, California. Individual provider, active in the CMS NPPES registry since September 21, 2021.
## Identity
- **NPI:** 1659042596 (Entity type: Individual)
- **Enumerated:** September 21, 2021
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95016969 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 23428 MAGIC MOUNTAIN PKWY APT 1404, Valencia, CA 91355-2187
- **Phone:** (224) 247-8277
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Minghsun Liu, M.D., PC (NPI 1518309368, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** September 21, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1659042596) · Data from the CMS NPPES public registry.