Janette L. Liu, O.D.
Optometrist · North Andover, MA
Janette L. Liu, O.D. is an optometrist with a practice address in North Andover, Massachusetts, and NPI 1770732067, issued on Sep 11, 2008. Check the license (Massachusetts 4736, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Janette L. Liu
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- 4736 MA
OPC 4341 FL
1324 NE
Self-reported in NPPES; status is on the state search - Practice location
- 89 Main St, North Andover, MA 01845
- Phone
- (978) 690-2020
- Enumerated
- Sep 11, 2008
- Record last updated
- Mar 24, 2026
- Fax
- (978) 683-2040
- Medicare enrollment
- Enrolled (PECOS I20130820000450); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 2008
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,501 in Massachusetts → Look up another NPI →
Verify Janette L. Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 4736Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average optometrist in 2024
19 Medicare Part D claims for 11 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 74% of 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: $294.17
3 payments; by number, the most common kind was food and beverage; the largest payer was Glaukos Corporation. 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.
Janette L. Liu among 1,501 optometrist records in Massachusetts
Janette L. Liu, O.D. is one of 1,501 optometrist records with a practice address in Massachusetts. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 44% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2008 · median 2008 among the 933 with a school on file
- Record last updated2026 · 64% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Massachusetts
There are 1,501 optometrist records in Massachusetts.
All 1,501 in Massachusetts → Every provider in North Andover → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Christine Maripuri, O.D.North Andover, MA 018451588117378
- David Metsch, O.D.North Andover, MA 018451679639678
- Patti Richard, O.D.North Andover, MA 018451841217411
- Stephen Angelo, O.D.Methuen, MA 018441487710661
- James Doyle, O.D.Methuen, MA 018441871669929
- David Kahan, ODMethuen, MA 018441558473595
- Olin Burkhart, O.D.Lawrence, MA 018431467435735
- Karen Gladstone, ODLawrence, MA 018431235158742
Common questions
What is Janette L. Liu, O.D.'s NPI number?
Janette L. Liu, O.D.'s National Provider Identifier (NPI) is 1770732067, issued on Sep 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Janette L. Liu, O.D. located?
The NPPES record lists a practice address at 89 Main St, North Andover, MA, 01845. Phone: (978) 690-2020. Providers update this record themselves, so call before visiting.
How can I verify Janette L. Liu, O.D.'s license?
NPPES lists Massachusetts license number 4736, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Janette L. Liu, O.D. prescribe under Medicare Part D?
In 2024, Janette L. Liu, O.D. had 19 Medicare Part D claims for 11 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.