Registry data as of Aug 27, 2026

Marion Hau, O.D.

Optometrist · East Boston, MA

Marion Hau, O.D. is an optometrist with a practice address in East Boston, Massachusetts, and NPI 1326328493, issued on Aug 22, 2011. 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
1326328493
Name
Marion Hau
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
Practice location
10 Gove St, East Boston, MA 02128
Phone
(617) 569-5800
Enumerated
Aug 22, 2011
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 10 Gove St

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

  1. Andrea Acevedo Beltran, LMHCMental Health Counselor1710855697
  2. Megan Aitro, CPNP-PCPediatric Nurse Practitioner1639791650
  3. Heather Alfano, BSN, RNRegistered Nurse1598648792
  4. Ashley Altmann, CNP, DNPFamily Nurse Practitioner1558134619
  5. Fabiola Alvarez, MSWClinical Social Worker1598348005
  6. Olivia Amadon, LICSWSocial Worker1174987804

Verify Marion Hau 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.

83% fewer Medicare Part D claims than the average optometrist in 2024

47 Medicare Part D claims for 25 beneficiaries, against an average of 279 among the 32,314 providers of this specialty who prescribed in Part D.

  1. Marion Hau47
  2. Specialty average279

Most prescribed

  1. Latanoprost16 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. Internal Medical Associates-EbnhcEast Boston, 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.

7 optometrist records list a East Boston practice address

They are 7 of the 587 NPPES records with a East Boston 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 Marion Hau, O.D.'s NPI number?

Marion Hau, O.D.'s National Provider Identifier (NPI) is 1326328493, issued on Aug 22, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Marion Hau, O.D. located?

The NPPES record lists a practice address at 10 Gove St, East Boston, MA, 02128. Phone: (617) 569-5800. Providers update this record themselves, so call before visiting.

How can I verify Marion Hau, O.D.'s license?

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

How much does Marion Hau, O.D. prescribe under Medicare Part D?

In 2024, Marion Hau, O.D. had 47 Medicare Part D claims for 25 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.