MUTYA JOYCE B DE GUZMAN FNP
NPI 1851933980
Nurse Practitioner - Family in Los Angeles, CA
About Mutya Joyce B De Guzman Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MUTYA JOYCE B DE GUZMAN FNP (NPI 1851933980) is an individual family provider in Los Angeles, California, licensed in California (95012964) and active in the NPI registry since October 2019. She is enrolled in Medicare PECOS.
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 (PECOS)
Mutya Joyce B De Guzman Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Mutya Joyce De Guzman reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 1,001 clinicians in this Medicare group
Los Angeles, CA 90034
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Minghsun Liu MD PC
- 95 clinicians in this Medicare group
Glendale, CA 91206
- Reassigned Medicare billing, California enrollment
- 2,584 clinicians in this Medicare group
Cerritos, CA 90703
- Reassigned Medicare billing, California enrollment
- 235 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90048 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
LOS ANGELES, CA 90048
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 Mutya Joyce De Guzman's NPI number?
The NPI number for Mutya Joyce De Guzman is 1851933980. It was assigned to this individual provider in the NPPES registry on October 9, 2019.
Where is Mutya Joyce De Guzman located?
Mutya Joyce De Guzman practices at 127 S San Vicente Blvd Ste A3100, Los Angeles, CA 90048. The listed phone number is (310) 423-3851.
What is Mutya Joyce De Guzman's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mutya Joyce De Guzman enrolled in Medicare?
Yes. Mutya Joyce De Guzman is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mutya Joyce De Guzman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mutya Joyce De Guzman reassigns Medicare benefits to 4 organizations: Cedars-Sinai Medical Center (Los Angeles, CA), Minghsun Liu, M.D., PC (Los Angeles, CA), Faculty Physicians And Surgeons Of Llusm (Glendale, CA) and Albion Medical Partners Of California West P C (Cerritos, 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 Mutya Joyce 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 Mutya Joyce De Guzman was last updated on May 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.
# Mutya Joyce B De Guzman, FNP · NPI 1851933980
Family physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since October 9, 2019.
## Identity
- **NPI:** 1851933980 (Entity type: Individual)
- **Enumerated:** October 9, 2019
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95012964 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 127 S SAN VICENTE BLVD STE A3100, Los Angeles, CA 90048-3311
- **Phone:** (310) 423-3851 · **Fax:** (310) 423-3522
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Cedars-Sinai Medical Center (NPI 1639172372, Los Angeles, CA); Minghsun Liu, M.D., PC (NPI 1518309368, Los Angeles, CA); Faculty Physicians And Surgeons Of Llusm (NPI 1508255175, Glendale, CA); Albion Medical Partners Of California West P C (NPI 1073110607, Cerritos, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1851933980) · Data from the CMS NPPES public registry.