MS. LUCY DRENG HSU N.P.
NPI 1013188333
Nurse Practitioner - Psychiatric/Mental Health in San Francisco, CA
About Ms. Lucy Dreng Hsu N.p. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. LUCY DRENG HSU N.P. (NPI 1013188333) is an individual psychiatric/mental health provider in San Francisco, California, licensed in California (17431) and active in the NPI registry since March 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2007).
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. Lucy Dreng Hsu N.p. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Lucy Hsu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94103
- Reassigned Medicare billing, California enrollment
- 15 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 3
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 94103 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94103
SAN FRANCISCO, CA 94103
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 Lucy Hsu's NPI number?
The NPI number for Lucy Hsu is 1013188333. It was assigned to this individual provider in the NPPES registry on March 13, 2008.
Where is Lucy Hsu located?
Lucy Hsu practices at 245 11th St, San Francisco, CA 94103. The listed phone number is (415) 353-0115.
What is Lucy Hsu's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Lucy Hsu enrolled in Medicare?
Yes. Lucy Hsu is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Lucy Hsu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lucy Hsu reassigns Medicare benefits to Westside Community Mental Health Center (San Francisco, 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 Lucy Hsu'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 Lucy Hsu was last updated on March 13, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.