Ryan Chihien Tieu, O.D.
Optometrist · Kennesaw, GA
Ryan Chihien Tieu, O.D. is an optometrist with a practice address in Kennesaw, Georgia, and NPI 1023557931, issued on Feb 13, 2017. Check the license (Georgia OPT002989, as entered in NPPES) with the Georgia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ryan Chihien Tieu
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT002989 GA
Self-reported in NPPES; status is on the state search - Practice location
- 1415 Wooten Lake RD NW, Kennesaw, GA 30144
- Phone
- (770) 792-3937
- Enumerated
- Feb 13, 2017
- Record last updated
- Feb 13, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (770) 847-2727
- Medicare enrollment
- Enrolled (PECOS I20170309000989); accepts Medicare assignment
- Medical or professional school
- Southern College Of Optometry, 2016
- Entity
- Type 1 · individual
Also registered at 1415 Wooten Lake RD NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Russell Anderson, D.M.D.General Practice Dentistry1811068620
- Lauren Daniel, ODOptometrist1881436210
- Chris Hobson, O.D.Optometrist1467421073
Verify Ryan Chihien Tieu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Georgia board licenses this profession
Search for license OPT002989Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average optometrist in 2024
246 Medicare Part D claims for 72 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.
Most prescribed
- Latanoprost103 claims
- Prednisolone Acetate22 claims
- Restasis19 claims
- Lumigan18 claims
- Combigan15 claims
- Xiidra11 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: $748.20
17 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision 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
- Myeyedr Optometry OF Georgia, LLCBrunswick, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
27 optometrist records list a practice address in Kennesaw
They are 27 of the 1,723 NPPES records with a practice address in Kennesaw, and 1,430 optometrist records in Georgia.
All 27 in Kennesaw → All 1,430 in Georgia → Every provider in Kennesaw →
Other optometrist records in Georgia
- Sara Aamir, O.D.Canton, GA1871837153
- Geoffrey Abraham, O.D.Lawrenceville, GA1952704256
- Justin Abraham, ODAtlanta, GA1386318137
- Nhora Abril, ODRoswell, GA1891917217
- Sampson Abu, ODAtlanta, GA1982433645
- Peggy Achenbach, O.D.Waycross, GA1609846625
- Onyinyechi Achionye, ODLithonia, GA1962437707
- James Adams, ODMcDonough, GA1730144908
- Olakunle AdegbileMorrow, GA1932443470
- Agnes Adu, ODSugar Hill, GA1013034453
Common questions
What is Ryan Chihien Tieu, O.D.'s NPI number?
Ryan Chihien Tieu, O.D.'s National Provider Identifier (NPI) is 1023557931, issued on Feb 13, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Chihien Tieu, O.D. located?
The NPPES record lists a practice address at 1415 Wooten Lake RD NW, Kennesaw, GA, 30144. Phone: (770) 792-3937. Providers update this record themselves, so call before visiting.
How can I verify Ryan Chihien Tieu, O.D.'s license?
NPPES lists Georgia license number OPT002989, as entered by the provider. Search the Georgia board that licenses this profession; the NPPES record confirms identity only.
How much does Ryan Chihien Tieu, O.D. prescribe under Medicare Part D?
In 2024, Ryan Chihien Tieu, O.D. had 246 Medicare Part D claims for 72 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.