Joshua Cherng, OD
Optometrist · Lancaster, MA
Joshua Cherng, OD is an optometrist with a practice address in Lancaster, Massachusetts, and NPI 1780376996, issued on May 24, 2023. Check the license (Massachusetts OPT5734, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joshua Cherng
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT5734 MA
Self-reported in NPPES; status is on the state search - Practice location
- 479 Old Union Tpke, Lancaster, MA 01523
- Phone
- (978) 537-3900
- Enumerated
- May 24, 2023
- Entity
- Type 1 · individual
Also registered at 479 Old Union Tpke
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Suraj Afshar, O.D.Optometrist1578714150
- Sara Apollonio, O.D.Optometrist1427338755
- Hannah Ashe, LDOOptician1760359616
- Taylor Aucoin, LDOOptician1639757180
- Judy Bavongkhoun, ODOptometrist1104374628
- Elite Bor-Shavit, MDRetina Specialist (Ophthalmology) Physician1104303858
Verify Joshua Cherng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license OPT5734Check 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
68 Medicare Part D claims for 34 beneficiaries, against an average of 279 among the 32,314 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Latanoprost21 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: $398.55
12 payments, mostly food and beverage; the largest payer was Alcon Vision LLC. The 33,561 providers of this specialty with any payment received $749.79 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.
One hospital or facility affiliation
- Aeg Massachusetts Professional PCLowell, MA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
21 optometrist records list a Lancaster practice address
They are 21 of the 98 NPPES records with a Lancaster practice address, and 1,467 optometrist records in Massachusetts.
All 21 in Lancaster → All 1,467 in Massachusetts → Every provider in Lancaster →
Other optometrist records in Massachusetts
- Maysa Abbas, ODMalden, MA1588247787
- John Abbondanza, ODSouthborough, MA1902992886
- Kelly Abbott, O.D.Cambridge, MA1316313208
- Angela Abraham, O.D.Amherst, MA1609833870
- Joel Abraham, O.D.Leominster, MA1326187576
- Chukwuemeka Achonu, ODBoston, MA1013738582
- Thedalisa AckepLeominster, MA1003748104
- Amie Adams, O.D.Hudson, MA1831137322
- John Adams, ODIpswich, MA1598727778
- Stephen Adelstein, ODChelmsford, MA1790770980
Common questions
What is Joshua Cherng, OD's NPI number?
Joshua Cherng, OD's National Provider Identifier (NPI) is 1780376996, issued on May 24, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Cherng, OD located?
The NPPES record lists a practice address at 479 Old Union Tpke, Lancaster, MA, 01523. Phone: (978) 537-3900. Providers update this record themselves, so call before visiting.
How can I verify Joshua Cherng, OD's license?
NPPES lists Massachusetts license number OPT5734, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Joshua Cherng, OD prescribe under Medicare Part D?
In 2024, Joshua Cherng, OD had 68 Medicare Part D claims for 34 beneficiaries; the average among optometrist prescribers was 279. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.