Margaret Mary Johnson, O.D.
Optometrist · Hudson, MA
Margaret Mary Johnson, O.D. is an optometrist with a practice address in Hudson, Massachusetts, and NPI 1902052327, issued on Aug 18, 2008. Check the license (Massachusetts 4688, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Mary Johnson
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- 4688 MA
ODTG00530 RI
Self-reported in NPPES; status is on the state search - Practice location
- 10 Technology Dr, Hudson, MA 01749
- Phone
- (508) 485-6366
- Enumerated
- Aug 18, 2008
- Record last updated
- Jan 22, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (978) 568-0330
- Medicare enrollment
- Enrolled (PECOS I20090106000239); 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 →
Also registered at 10 Technology Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Saundra Ferrera, O.D.Optometrist1083709257
Verify Margaret Mary Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 4688Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Mass Optometric Associates, PLLCFranklin, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Mary Johnson among 1,501 optometrist records in Massachusetts
Margaret Mary Johnson, 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 updated2010 · 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).
5 optometrist records list a practice address in Hudson
They are 5 of the 303 NPPES records with a practice address in Hudson, and 1,501 optometrist records in Massachusetts.
All 1,501 in Massachusetts → Every provider in Hudson → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Amie Adams, O.D.Hudson, MA 017491831137322
- Saundra Ferrera, O.D.Hudson, MA 017491083709257
- Garrett Sullivan, O.D.Hudson, MA 017491255363321
- Daniel Sullivan, ODHudson, MA 017491811057441
- Mariem Girgis, ODHopkinton, MA 017481457207896
- Steven Perryman, ODHopkinton, MA 017481609973767
- Ara Barsamian, O.D.Marlborough, MA 017521659479343
- Clark Bowden, ODMarlborough, MA 017521093903387
Common questions
What is Margaret Mary Johnson, O.D.'s NPI number?
Margaret Mary Johnson, O.D.'s National Provider Identifier (NPI) is 1902052327, issued on Aug 18, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Mary Johnson, O.D. located?
The NPPES record lists a practice address at 10 Technology Dr, Hudson, MA, 01749. Phone: (508) 485-6366. Providers update this record themselves, so call before visiting.
How can I verify Margaret Mary Johnson, O.D.'s license?
NPPES lists Massachusetts license number 4688, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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.