NPPES file of Aug 9, 2026

Yumiko Wong, PA

Physician Assistant · Upland, CA

Yumiko Wong, PA is a physician assistant with a practice address in Upland, California, and NPI 1730243551, issued on Dec 19, 2006. Check the license (California 18604, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730243551
Name
Yumiko Wong
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
18604 CA
Self-reported in NPPES; status is on the state search
Practice location
1310 San Bernardino RD, Upland, CA 91786
Phone
(909) 941-0247
Enumerated
Dec 19, 2006
Record last updated
Jan 25, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(909) 948-7950
Medicare enrollment
Enrolled (PECOS I20141230002112); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1310 San Bernardino RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Basim Abdelkarim, MDGastroenterology Physician1932217544
  2. Mouhanad Alwan, MDObstetrics & Gynecology Physician1760595029
  3. Lorraine Dominick, WHNPObstetrics & Gynecology Nurse Practitioner1205265931
  4. Ian Donahue, PA-CPhysician Assistant1023406725
  5. Noralyne Eini, FNPFamily Nurse Practitioner1811395221
  6. Amanda Ingalls, PA-CPhysician Assistant1134522501

Verify Yumiko Wong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 18604
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.4 times the Medicare Part D claims of the average physician assistant in 2024

2,801 Medicare Part D claims for 342 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 115 claims were for opioids.

  1. Yumiko Wong2,801
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium148 claims
  2. Levothyroxine Sodium145 claims
  3. Amlodipine Besylate102 claims
  4. Rosuvastatin Calcium82 claims
  5. Gabapentin75 claims
  6. Losartan Potassium73 claims

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.

Industry payments in 2024: $819.80

28 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Yumiko Wong$819.80
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Cucamonga Valley Medical Group IncUpland, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Yumiko Wong among 14,451 physician assistant records in California

Yumiko Wong, PA is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 87% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2002 · median 2018 among the 7,214 with a school on file
  • Record last updated2017 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

33 physician assistant records list a practice address in Upland

They are 33 of the 1,846 NPPES records with a practice address in Upland, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. James Allred, OPA-CUpland, CA 917861114179454
  2. Anthony Antenorcruz, PA-CUpland, CA 917861376722884
  3. Frank Canavan, PA-CUpland, CA 917861194811984
  4. Frantz Despas, PA-CUpland, CA 917861417288275
  5. Ian Donahue, PA-CUpland, CA 917861023406725
  6. Amanda Ingalls, PA-CUpland, CA 917861134522501
  7. Erin Jensen, P.AUpland, CA 917861730413816
  8. Shannon Lambert, MPAS, PA-CUpland, CA 917861548406952

Common questions

What is Yumiko Wong, PA's NPI number?

Yumiko Wong, PA's National Provider Identifier (NPI) is 1730243551, issued on Dec 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Yumiko Wong, PA located?

The NPPES record lists a practice address at 1310 San Bernardino RD, Upland, CA, 91786. Phone: (909) 941-0247. Providers update this record themselves, so call before visiting.

How can I verify Yumiko Wong, PA's license?

NPPES lists California license number 18604, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Yumiko Wong, PA prescribe under Medicare Part D?

In 2024, Yumiko Wong, PA had 2,801 Medicare Part D claims for 342 beneficiaries; the average among physician assistant prescribers was 830. 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.