VILBEN MICHAEL MERZA DE GUZMAN NP
NPI 1205228947
Nurse Practitioner - Gerontology in San Clemente, CA
About Vilben Michael Merza De Guzman Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VILBEN MICHAEL MERZA DE GUZMAN NP (NPI 1205228947) is an individual gerontology provider in San Clemente, California, licensed in California (95002149) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2014).
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
Vilben Michael Merza De Guzman 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 Reassignments
2Medicare enrollment records show Vilben Michael De Guzman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 250 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 525 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 92673 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN CLEMENTE, CA 92673
SAN CLEMENTE, CA 92673
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 Vilben Michael De Guzman's NPI number?
The NPI number for Vilben Michael De Guzman is 1205228947. It was assigned to this individual provider in the NPPES registry on March 3, 2015.
Where is Vilben Michael De Guzman located?
Vilben Michael De Guzman practices at 1001 Avenida Pico C517, San Clemente, CA 92673. The listed phone number is (949) 226-8416.
What is Vilben Michael De Guzman's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Vilben Michael De Guzman enrolled in Medicare?
Yes. Vilben Michael De Guzman 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 organizations bill Medicare for Vilben Michael De Guzman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vilben Michael De Guzman reassigns Medicare benefits to 2 organizations: The Regents Of The University Of California-Irvine (Orange, CA) and Uc Regents (Orange, CA). Each 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 Vilben Michael De Guzman'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 Vilben Michael De Guzman was last updated on March 3, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Vilben Michael Merza De Guzman, NP · NPI 1205228947
Gerontology physician in San Clemente, California. Individual provider, active in the CMS NPPES registry since March 3, 2015.
## Identity
- **NPI:** 1205228947 (Entity type: Individual)
- **Enumerated:** March 3, 2015
- **Primary specialty:** Nurse Practitioner - Gerontology · taxonomy 363LG0600X
- **State license:** 95002149 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1001 AVENIDA PICO, C517, San Clemente, CA 92673-6957
- **Phone:** (949) 226-8416
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): The Regents Of The University Of California-Irvine (NPI 1154479723, Orange, CA); Uc Regents (NPI 1003864174, Orange, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** March 3, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1205228947) · Data from the CMS NPPES public registry.