PEN YI TSO
NPI 1962900233
Nurse Practitioner - Acute Care in Covina, CA

Active since January 31, 2018PECOS Enrolled
1305 E COVINA BLVD, COVINA, CA 91724(626) 592-5778 Get Directions Write a Review

NPPES record last updated: July 29, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 29, 2024, Jun 12, 2023, Nov 4, 2022 (3 updates tracked since 2022).

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

NPI1962900233
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NamePEN YI TSO
Location Address1305 E COVINA BLVDCovina, CA 91724-1501
Mailing Address1305 E Covina BlvdCovina, CA 91724-1501 · (626) 592-5778
Sole ProprietorNo
Enumeration DateJanuary 31, 2018
Last NPPES UpdateJuly 29, 20243 updates tracked since enumeration
NPPES CertifiedJuly 29, 2024
✔ NPI 1962900233 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in CA · 95007376
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 95007376 (CA)
1305 E COVINA BLVD, Covina, CA 91724

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

6

Medicare 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.

Internal Medicine
8439 WHITE OAK AVE STE 1038439
Rancho Cucamonga, CA 91730
  • Reassigned Medicare billing, California enrollment
  • 25 clinicians in this Medicare group
Geriatric Medicine
3800 KILROY AIRPORT WAY STE 270
Long Beach, CA 90806
  • Reassigned Medicare billing, California enrollment
  • 104 clinicians in this Medicare group
Internal Medicine
7677 CENTER AVE STE 214
Huntington Beach, CA 92647
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Concertocare Medical Group Of California PC
  • 46 clinicians in this Medicare group
Primary Care
4361 LATHAM ST STE 270
Riverside, CA 92501
  • Reassigned Medicare billing, California enrollment
  • 82 clinicians in this Medicare group
Critical Care Medicine
1420 ROCKY RIDGE DR STE 300
Roseville, CA 95661
  • Reassigned Medicare billing, California enrollment
  • 48 clinicians in this Medicare group
Internal Medicine
10970 ARROW ROUTE #209
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.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.