Phuong To, O.D.
Optometrist · Rialto, CA
Phuong To, O.D. is an optometrist with a practice address in Rialto, California, and NPI 1215070461, issued on Feb 15, 2007. Check the license (California OP11962T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Phuong To
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OP11962T CA
Self-reported in NPPES; status is on the state search - Practice location
- 1850 N Riverside Ave, Rialto, CA 92376
- Phone
- (909) 421-3030
- Enumerated
- Feb 15, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (909) 421-3059
- Medicaid ID
- SD0119620 CA
- Medicare enrollment
- Enrolled (PECOS I20060403000081); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 2002
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 1850 N Riverside Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Salvador Abiera, D.P.T., P.T.Geriatric Physical Therapist1760494843
- Delfin Dano, MDPediatrics Physician1164505020
- Gary Freestone, ODOptometrist1336214998
- Hedyeh Golshan, M.D.Internal Medicine Physician1174582688
- Jesse Guadiz, M.D.Family Medicine Physician1558317933
- Nauz Hassanshahi, ODOptometrist1497266357
Verify Phuong To in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OP11962TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $145.40
1 payment: food and beverage; the largest payer was Johnson & Johnson Vision Care, Inc. 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.
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
- Kimberly Peterson OD IncRialto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Phuong To among 8,308 optometrist records in California
Phuong To, 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 2007, is newer than 34% of them.
- NPI issued2007 · 34% of these records are older, 46% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2002 · median 2008 among the 3,573 with a school on file
- Record last updated2007 · 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.
All 8,308 in California → Every provider in Rialto → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Gary Freestone, ODRialto, CA 923761336214998
- Nauz Hassanshahi, ODRialto, CA 923761497266357
- Shine Kikawa, O.D.Rialto, CA 923761568736890
- Andrew Ngo, O.D.Rialto, CA 923761033542071
- Kimberly Peterson, O.D.Rialto, CA 923761922141175
- Susan Sawyer, O.D.Rialto, CA 923761518073709
- Dennis Wong, O.D.Rialto, CA 923761245438365
- Dixon Wong, O.D.Rialto, CA 923761811196967
Common questions
What is Phuong To, O.D.'s NPI number?
Phuong To, O.D.'s National Provider Identifier (NPI) is 1215070461, issued on Feb 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Phuong To, O.D. located?
The NPPES record lists a practice address at 1850 N Riverside Ave, Rialto, CA, 92376. Phone: (909) 421-3030. Providers update this record themselves, so call before visiting.
How can I verify Phuong To, O.D.'s license?
NPPES lists California license number OP11962T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.