Pen Yi Tso
Acute Care Nurse Practitioner · Covina, CA
Pen Yi Tso is an acute care nurse practitioner with a practice address in Covina, California, and NPI 1962900233, issued on Jan 31, 2018. Check the license (California 95007376, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Pen Yi Tso
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- 95007376 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1305 E Covina Blvd, Covina, CA 91724
- Phone
- (626) 592-5778
- Enumerated
- Jan 31, 2018
- Record last updated
- Jul 29, 2024
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 1,810 in California → Look up another NPI →
Verify Pen Yi Tso in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95007376Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
34 Medicare Part D claims for 19 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Pen Yi Tso among 1,810 acute care nurse practitioner records in California
Pen Yi Tso is one of 1,810 acute care nurse practitioner records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 43% of them.
- NPI issued2018 · 43% of these records are older, 50% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2024 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in California
There are 1,810 acute care nurse practitioner records in California.
All 1,810 in California → Every provider in Covina → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Krystal Alvarez, NPCovina, CA 917231710682406
- Nicholas Au, MSN, APRN, AGACNP-BCCovina, CA 917231407588858
- Hui-Fen Lee, NPCovina, CA 917231538398789
- Elizabeth Mathew, AGACNP DNPCovina, CA 917231700376548
- Janelle Meza, NPCovina, CA 917231578896734
- Dolores Paredones, NPCovina, CA 917231225389224
- Daniel Ciocca, AGACNP-BCRancho Cucamonga, CA 917301982252334
- Ludivina De Dios-Del Mundo, NPRancho Cucamonga, CA 917301699437939
Common questions
What is Pen Yi Tso's NPI number?
Pen Yi Tso's National Provider Identifier (NPI) is 1962900233, issued on Jan 31, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Pen Yi Tso located?
The NPPES record lists a practice address at 1305 E Covina Blvd, Covina, CA, 91724. Phone: (626) 592-5778. Providers update this record themselves, so call before visiting.
How can I verify Pen Yi Tso's license?
NPPES lists California license number 95007376, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Pen Yi Tso prescribe under Medicare Part D?
In 2024, Pen Yi Tso had 34 Medicare Part D claims for 19 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.