Peter Tien, O.D.
Optometrist · Arcadia, CA
Peter Tien, O.D. is an optometrist with a practice address in Arcadia, California, and NPI 1710339114, issued on Jul 8, 2016. Check the license (California 33489, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Peter Tien
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 33489 CA
Self-reported in NPPES; status is on the state search - Practice location
- 622 W Duarte RD Ste 101, Arcadia, CA 91007
- Phone
- (626) 254-9010
- Enumerated
- Jul 8, 2016
- Record last updated
- May 1, 2025
- Fax
- (626) 254-9019
- Medicare enrollment
- Enrolled (PECOS I20220316003872); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 622 W Duarte RD Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Monica Khitri, M.D.Ophthalmology Physician1558526525
- Jack Lemon, MDOphthalmology Physician1003378019
- Kenneth Lu, MDOphthalmology Physician1467514265
- Marko Popovic, MDRetina Specialist (Ophthalmology) Physician1720841182
Verify Peter Tien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 33489Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average optometrist in 2024
66 Medicare Part D claims for 19 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Latanoprost18 claims
- Timolol Maleate18 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: $32.84
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.
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
- Jules Stein Eye Institute Medical GroupArcadia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter Tien among 8,308 optometrist records in California
Peter Tien, 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).
31 optometrist records list a practice address in Arcadia
They are 31 of the 2,033 NPPES records with a practice address in Arcadia, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Arcadia → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Stephen Bornfeld, O.D.Arcadia, CA 910071235266131
- Judy Fan, O.D.Arcadia, CA 910071871658740
- Michael Hoey, ODArcadia, CA 910071891788634
- Helen Hwee, OPTOMETRISTArcadia, CA 910071235285529
- Curtis Kan, ODArcadia, CA 910071750423612
- Dennis Leung, O.D.Arcadia, CA 910071376572743
- Lillian Nghe, O.D.Arcadia, CA 910071871977199
- Julie Oh, O.D.Arcadia, CA 910071215127691
Common questions
What is Peter Tien, O.D.'s NPI number?
Peter Tien, O.D.'s National Provider Identifier (NPI) is 1710339114, issued on Jul 8, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Peter Tien, O.D. located?
The NPPES record lists a practice address at 622 W Duarte RD Ste 101, Arcadia, CA, 91007. Phone: (626) 254-9010. Providers update this record themselves, so call before visiting.
How can I verify Peter Tien, O.D.'s license?
NPPES lists California license number 33489, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Peter Tien, O.D. prescribe under Medicare Part D?
In 2024, Peter Tien, O.D. had 66 Medicare Part D claims for 19 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.