Registry data as of Aug 27, 2026

Michael Ayer

Optometrist · Chelmsford, MA

Michael Ayer is an optometrist with a practice address in Chelmsford, Massachusetts, and NPI 1770649584, issued on Dec 28, 2006. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1770649584
Name
Michael Ayer
Primary taxonomy
Optometrist 152W00000X
Practice location
228 Billerica RD, Chelmsford, MA 01824
Phone
(978) 250-6170
Enumerated
Dec 28, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 228 Billerica RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Katherine AeschlimanMidwife1295755858
  2. Susan Albee, RPHPharmacist1932194560
  3. Sonia Almeida, PAPhysician Assistant1063560357
  4. Alina Bahlavouni, DOStudent in an Organized Health Care Education/Training Program1508361064
  5. Caroline Bevona, M.D.Dermatology Physician1245225044
  6. Cheryl Brackbill, PA-CPhysician Assistant1073713087

Verify Michael Ayer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

42% fewer Medicare Part D claims than the average optometrist in 2024

161 Medicare Part D claims for 72 beneficiaries, against an average of 279 among the 32,314 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.

  1. Michael Ayer161
  2. Specialty average279

Most prescribed

  1. Latanoprost36 claims
  2. Cyclosporine32 claims
  3. Erythromycin25 claims
  4. Restasis16 claims
  5. Neomycin-Polymyxin-Dexameth15 claims
  6. Tobramycin-Dexamethasone12 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.

One hospital or facility affiliation

  1. Atrius Health IncBoston, 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.

13 optometrist records list a Chelmsford practice address

They are 13 of the 937 NPPES records with a Chelmsford practice address, and 1,467 optometrist records in Massachusetts.

Other optometrist records in Massachusetts

  1. Maysa Abbas, ODMalden, MA1588247787
  2. John Abbondanza, ODSouthborough, MA1902992886
  3. Kelly Abbott, O.D.Cambridge, MA1316313208
  4. Angela Abraham, O.D.Amherst, MA1609833870
  5. Joel Abraham, O.D.Leominster, MA1326187576
  6. Chukwuemeka Achonu, ODBoston, MA1013738582
  7. Thedalisa AckepLeominster, MA1003748104
  8. Amie Adams, O.D.Hudson, MA1831137322
  9. John Adams, ODIpswich, MA1598727778
  10. Stephen Adelstein, ODChelmsford, MA1790770980

Common questions

What is Michael Ayer's NPI number?

Michael Ayer's National Provider Identifier (NPI) is 1770649584, issued on Dec 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Ayer located?

The NPPES record lists a practice address at 228 Billerica RD, Chelmsford, MA, 01824. Phone: (978) 250-6170. Providers update this record themselves, so call before visiting.

How can I verify Michael Ayer's license?

Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Michael Ayer prescribe under Medicare Part D?

In 2024, Michael Ayer had 161 Medicare Part D claims for 72 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.