Nancy Nan-Yin Liaw, O.D.
Optometrist · Chandler, AZ
Nancy Nan-Yin Liaw, O.D. is an optometrist with a practice address in Chandler, Arizona, and NPI 1043432776, issued on May 3, 2007. Check the license (Arizona 1010 (439), as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nancy Nan-Yin Liaw
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 1010 (439) AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1815 E Queen Creek RD, Chandler, AZ 85286
- Phone
- (480) 895-2020
- Enumerated
- May 3, 2007
- Record last updated
- Apr 8, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (480) 699-6724
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,336 in Arizona → Look up another NPI →
Verify Nancy Nan-Yin Liaw in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 1010 (439)Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average optometrist in 2024
13 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Latanoprost11 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.
Nancy Nan-Yin Liaw among 1,336 optometrist records in Arizona
Nancy Nan-Yin Liaw, O.D. is one of 1,336 optometrist records with a practice address in Arizona. 75% 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 38% of them.
- NPI issued2007 · 38% of these records are older, 51% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2009 · 62% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
93 optometrist records list a practice address in Chandler
They are 93 of the 5,497 NPPES records with a practice address in Chandler, and 1,336 optometrist records in Arizona.
All 1,336 in Arizona → Every provider in Chandler → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Nizette BasocoChandler, AZ 852861477485381
- Elilta Bereketab, O.D.Chandler, AZ 852861598712002
- Leslie Falcon, ODChandler, AZ 852861982786026
- Teresa Lam, O.D.Chandler, AZ 852861811348980
- Melanie Park, ODChandler, AZ 852861629783881
- Jennifer Wheatley, O.D.Chandler, AZ 852861275789521
- Shannon Connor, ODTempe, AZ 852881407602634
- Sylvia Davis, O.D.Tempe, AZ 852841114329000
Common questions
What is Nancy Nan-Yin Liaw, O.D.'s NPI number?
Nancy Nan-Yin Liaw, O.D.'s National Provider Identifier (NPI) is 1043432776, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Nan-Yin Liaw, O.D. located?
The NPPES record lists a practice address at 1815 E Queen Creek RD, Chandler, AZ, 85286. Phone: (480) 895-2020. Providers update this record themselves, so call before visiting.
How can I verify Nancy Nan-Yin Liaw, O.D.'s license?
NPPES lists Arizona license number 1010 (439), as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Nancy Nan-Yin Liaw, O.D. prescribe under Medicare Part D?
In 2024, Nancy Nan-Yin Liaw, O.D. had 13 Medicare Part D claims; 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.