PEN YI TSO
NPI 1962900233
Nurse Practitioner - Acute Care in Covina, CA
About Pen Yi Tso NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PEN YI TSO (NPI 1962900233) is an individual acute care provider in Covina, California, licensed in California (95007376) and active in the NPI registry since January 2018. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Pen Yi Tso is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Pen Yi Tso reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rancho Cucamonga, CA 91730
- Reassigned Medicare billing, California enrollment
- 25 clinicians in this Medicare group
Long Beach, CA 90806
- Reassigned Medicare billing, California enrollment
- 104 clinicians in this Medicare group
Huntington Beach, CA 92647
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Concertocare Medical Group Of California PC
- 46 clinicians in this Medicare group
Riverside, CA 92501
- Reassigned Medicare billing, California enrollment
- 82 clinicians in this Medicare group
Roseville, CA 95661
- Reassigned Medicare billing, California enrollment
- 48 clinicians in this Medicare group
Rancho Cucamonga, CA 91730
- Reassigned Medicare billing, California enrollment
- 35 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 91724 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Pen Yi Tso's NPI number?
The NPI number for Pen Yi Tso is 1962900233. It was assigned to this individual provider in the NPPES registry on January 31, 2018.
Where is Pen Yi Tso located?
Pen Yi Tso practices at 1305 E Covina Blvd, Covina, CA 91724. The listed phone number is (626) 592-5778.
What is Pen Yi Tso's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Pen Yi Tso enrolled in Medicare?
Yes. Pen Yi Tso is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Pen Yi Tso's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Pen Yi Tso reassigns Medicare benefits to 6 organizations: Prowellness Healthcare Inc. (Rancho Cucamonga, CA), Housecall Doctors Medical Group Inc (Long Beach, CA), Concertocare Medical Group Of California, P.C. (Huntington Beach, CA), Nightingale Clinical Care, PC (Riverside, CA), Veeone Medical Group PA (Roseville, CA) and 1 more organization, listed in the Medicare section above. 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 Pen Yi Tso'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 Pen Yi Tso was last updated on July 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.