MS. SYLVIA SZEWAN NG NP
NPI 1679076855
Nurse Practitioner - Family in West Covina, CA
About Ms. Sylvia Szewan Ng Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. SYLVIA SZEWAN NG NP (NPI 1679076855) is an individual family provider in West Covina, California, licensed in California (95008523) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2017).
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)
Ms. Sylvia Szewan Ng Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sylvia Ng reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Alhambra, CA 91801
- Reassigned Medicare billing, California enrollment
- 11 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 91792 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST COVINA, CA 91792
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 Ng's NPI number?
The NPI number for Sylvia Ng is 1679076855. It was assigned to this individual provider in the NPPES registry on March 14, 2018.
Where is Sylvia Ng located?
Sylvia Ng practices at 2707 E Valley Blvd Ste 203, West Covina, CA 91792. The listed phone number is (626) 667-8290.
What is Sylvia Ng's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Sylvia Ng enrolled in Medicare?
Yes. Sylvia Ng is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sylvia Ng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sylvia Ng reassigns Medicare benefits to Enhanced Care Management (Alhambra, 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 Ng'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 Ng was last updated on March 14, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Ms. Sylvia Szewan Ng, NP · NPI 1679076855
Family physician in West Covina, California. Individual provider, active in the CMS NPPES registry since March 14, 2018.
## Identity
- **NPI:** 1679076855 (Entity type: Individual)
- **Enumerated:** March 14, 2018
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95008523 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2707 E VALLEY BLVD STE 203, West Covina, CA 91792-3197
- **Phone:** (626) 667-8290
## 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:** Enhanced Care Management (NPI 1588427587, Alhambra, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** March 14, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1679076855) · Data from the CMS NPPES public registry.