Tam Nguyen, OD
Optometrist · Tigard, OR
Tam Nguyen, OD is an optometrist with a practice address in Tigard, Oregon, and NPI 1043731243, issued on Jun 28, 2017. Check the license (Oregon 4391ATI, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tam Nguyen
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 4391ATI OR
Self-reported in NPPES; status is on the state search - Practice location
- 8795 SW Scholls Ferry RD Ste 100, Tigard, OR 97223
- Phone
- (503) 822-0485
- Enumerated
- Jun 28, 2017
- Record last updated
- Aug 1, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190225002783); accepts Medicare assignment
- Medical or professional school
- Pacific University - College Of Optometry, 2018
- Entity
- Type 1 · individual
8 nearest optometrist records → All 944 in Oregon → Look up another NPI →
Verify Tam Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 4391ATICheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average optometrist in 2024
317 Medicare Part D claims for 55 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Latanoprost186 claims
- Brimonidine Tartrate29 claims
- Travoprost19 claims
- Epinastine Hcl17 claims
- Timolol Maleate15 claims
- Erythromycin12 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.
Bills Medicare through one group practice
- Portland Eye Clinic LLCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tam Nguyen among 944 optometrist records in Oregon
Tam Nguyen, OD is one of 944 optometrist records with a practice address in Oregon. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 76% of them.
- NPI issued2017 · 76% of these records are older, 22% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2018 · median 2010 among the 552 with a school on file
- Record last updated2018 · 65% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 optometrist records list a practice address in Tigard
They are 38 of the 3,081 NPPES records with a practice address in Tigard, and 944 optometrist records in Oregon.
All 944 in Oregon → Every provider in Tigard → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Carla Avruskin, O.D.Tigard, OR 972231427184746
- Elizabeth Davis, O.D.Tigard, OR 972231962537258
- Eric Freedle, O.D.Tigard, OR 972231093898520
- Tony Gendvilas, O.D.Tigard, OR 972231730100876
- Wayne Gerig, ODTigard, OR 972231922067701
- Sharon Hirata, O.D.Tigard, OR 972231750456802
- Macson Lee, O.D.Tigard, OR 972231740251529
- Meghan Malensky, O.D.Tigard, OR 972231669667143
Common questions
What is Tam Nguyen, OD's NPI number?
Tam Nguyen, OD's National Provider Identifier (NPI) is 1043731243, issued on Jun 28, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Tam Nguyen, OD located?
The NPPES record lists a practice address at 8795 SW Scholls Ferry RD Ste 100, Tigard, OR, 97223. Phone: (503) 822-0485. Providers update this record themselves, so call before visiting.
How can I verify Tam Nguyen, OD's license?
NPPES lists Oregon license number 4391ATI, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Tam Nguyen, OD prescribe under Medicare Part D?
In 2024, Tam Nguyen, OD had 317 Medicare Part D claims for 55 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.