NPPES file of Aug 9, 2026

Patty Durongwong Yang, O.D

Optometrist · Riverside, CA

Patty Durongwong Yang, O.D is an optometrist with a practice address in Riverside, California, and NPI 1174972681, issued on Jun 6, 2016. Check the license (California 33377, 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
1174972681
Name
Patty Durongwong Yang
Credential
O.D
Primary taxonomy
Optometrist 152W00000X
License number
33377 CA
Self-reported in NPPES; status is on the state search
Practice location
10800 Magnolia Ave, Riverside, CA 92505
Phone
(866) 984-7483
Enumerated
Jun 6, 2016
Record last updated
Oct 23, 2025
Medicare enrollment
Enrolled (PECOS I20231113002915); accepts Medicare assignment
Medical or professional school
Southern College Of Optometry, 2016
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 10800 Magnolia Ave

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

  1. Joseph Abapo, MDPediatrics Physician1841348786
  2. Hussein Abdulrassoul, MDOrthopaedic Surgery Physician1972123891
  3. Kimberly Adams, PA-CMedical Physician Assistant1053522870
  4. Alfredo Aguiar, PAPhysician Assistant1043368970
  5. Michael Aguinaldo, M.D.Pediatrics Physician1851531487
  6. Maria Aguirre, MDPediatrics Physician1295806255

Verify Patty Durongwong Yang 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 33377
    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

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51% fewer Medicare Part D claims than the average optometrist in 2024

135 Medicare Part D claims for 78 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.

  1. Patty Yang135
  2. Specialty average277

Most prescribed

  1. Cyclosporine37 claims
  2. Prednisolone Acetate36 claims
  3. Latanoprost23 claims
  4. Neomycin-Polymyxin-Dexameth15 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: $21.29

1 payment: food and beverage; the largest payer was Alcon Vision LLC. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Patty Yang$21.29
  2. Specialty average$769.99

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. Southern California Permanente Medical GroupRiverside, CA

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

Patty Durongwong Yang among 8,308 optometrist records in California

Patty Durongwong Yang, O.D is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 73% of them.

  • NPI issued2016 · 73% of these records are older, 24% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2016 · median 2008 among the 3,573 with a school on file
  • Record last updated2025 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in California

There are 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Mary Cavanaugh, ODRiverside, CA 925051033267026
  2. Amiey Chung To, ODRiverside, CA 925051225186166
  3. Suzanne Dourte, ODRiverside, CA 925051679632392
  4. Stephen Hart, ODRiverside, CA 925051073672770
  5. Subin Kim, ODRiverside, CA 925051730237629
  6. Susan Miyabe, ODRiverside, CA 925051104985837
  7. John Murphy, ODRiverside, CA 925051578611463
  8. Joshua Prager, ODRiverside, CA 925051255490967

Common questions

What is Patty Durongwong Yang, O.D's NPI number?

Patty Durongwong Yang, O.D's National Provider Identifier (NPI) is 1174972681, issued on Jun 6, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Patty Durongwong Yang, O.D located?

The NPPES record lists a practice address at 10800 Magnolia Ave, Riverside, CA, 92505. Phone: (866) 984-7483. Providers update this record themselves, so call before visiting.

How can I verify Patty Durongwong Yang, O.D's license?

NPPES lists California license number 33377, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Patty Durongwong Yang, O.D prescribe under Medicare Part D?

In 2024, Patty Durongwong Yang, O.D had 135 Medicare Part D claims for 78 beneficiaries; the average among optometrist prescribers was 277. 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.