SYLVIA GUZMAN LCSW
NPI 1851527220
Social Worker - Clinical in Signal Hill, CA
About Sylvia Guzman Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SYLVIA GUZMAN LCSW (NPI 1851527220) is an individual clinical provider in Signal Hill, California, licensed in California (LCS20328) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS and is a graduate of Other (1993).
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
Sylvia Guzman Lcsw 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 Sylvia Guzman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Clara, CA 95054
- Reassigned Medicare billing, California enrollment
- 1,607 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 90755 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SIGNAL HILL, CA 90755
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 Sylvia Guzman's NPI number?
The NPI number for Sylvia Guzman is 1851527220. It was assigned to this individual provider in the NPPES registry on May 29, 2009.
Where is Sylvia Guzman located?
Sylvia Guzman practices at 1600 E Hill St, Signal Hill, CA 90755. The listed phone number is (562) 424-6200.
What is Sylvia Guzman's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Sylvia Guzman enrolled in Medicare?
Yes. Sylvia 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 organization bills Medicare for Sylvia Guzman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sylvia Guzman reassigns Medicare benefits to Sud Specialty Group - Ca (Santa Clara, 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 Sylvia 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 Sylvia Guzman was last updated on October 22, 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.
# Sylvia Guzman, LCSW · NPI 1851527220
Clinical provider in Signal Hill, California. Individual provider, active in the CMS NPPES registry since May 29, 2009.
## Identity
- **NPI:** 1851527220 (Entity type: Individual)
- **Enumerated:** May 29, 2009
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** LCS20328 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1600 E HILL ST, Signal Hill, CA 90755-3612
- **Phone:** (562) 424-6200
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Sud Specialty Group - Ca (NPI 1972138238, Santa Clara, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** October 22, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1851527220) · Data from the CMS NPPES public registry.