NPPES file of Aug 9, 2026

Margaret M. Gregowicz, M.S., CCC-A

Audiologist · Boston, MA

Margaret M. Gregowicz, M.S., CCC-A is an audiologist with a practice address in Boston, Massachusetts, and NPI 1255498150, issued on Jan 2, 2007. Check the license (Massachusetts 760, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255498150
Name
Margaret M. Gregowicz
Credential
M.S., CCC-A
Primary taxonomy
Audiologist 231H00000X
License number
760 MA
Self-reported in NPPES; status is on the state search
Practice location
243 Charles St, Boston, MA 02114
Phone
(617) 573-3266
Enumerated
Jan 2, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(617) 573-3023
Medicare enrollment
Enrolled (PECOS I20081105000875); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 243 Charles St

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

  1. Bardia AbbasiNeurology Physician1629429543
  2. Dunia Abdul-Aziz, MDOtolaryngology Physician1487880985
  3. Hasan Abdulbaki, MDStudent in an Organized Health Care Education/Training Program1811790512
  4. Inas Aboobakar, M.D.Ophthalmology Physician1760846265
  5. Jihad Achkar, M.D.Otolaryngology Physician1811203763
  6. Alessandro Adad Jammal, MD, PHDOphthalmology Physician1518725480

Verify Margaret M. Gregowicz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 760
    Check 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Massachusetts Eye And Ear Associates, IncMedford, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Margaret M. Gregowicz among 624 audiologist records in Massachusetts

Margaret M. Gregowicz, M.S., CCC-A is one of 624 audiologist records with a practice address in Massachusetts. 35% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 18% of them.

  • NPI issued2007 · 18% of these records are older, 64% newer
  • In a Medicare fileYes · 35% of these records are
  • In the CMS Doctors and Clinicians fileYes · 38% of these records are
  • Graduated2010 · median 2013 among the 237 with a school on file
  • Record last updated2007 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 231H00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Audiologist providers in Massachusetts

There are 624 audiologist records in Massachusetts.

The 8 audiologist records with the nearest ZIP codes

  1. Melanie Buhr-Lawler, AU.D., CCC-ABoston, MA 021141942367446
  2. Christine Carter, M.S., CCC-ABoston, MA 021141922165810
  3. Lynne Davis, PH.D., CCC-ABoston, MA 021141972660470
  4. Cheryl Glovsky, M.ED., CCC-ABoston, MA 021141851449409
  5. Ann-Marie Hennessey, M.A., CCC-ABoston, MA 021141144387945
  6. Barbara Herrmann, PH.D., CCC-ABoston, MA 021141508923202
  7. Donna Hultman, M.A., CCC-ABoston, MA 021141740347574
  8. Sharon Kujawa, PH.D., CCC-ABoston, MA 021141871650622

Common questions

What is Margaret M. Gregowicz, M.S., CCC-A's NPI number?

Margaret M. Gregowicz, M.S., CCC-A's National Provider Identifier (NPI) is 1255498150, issued on Jan 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Margaret M. Gregowicz, M.S., CCC-A located?

The NPPES record lists a practice address at 243 Charles St, Boston, MA, 02114. Phone: (617) 573-3266. Providers update this record themselves, so call before visiting.

How can I verify Margaret M. Gregowicz, M.S., CCC-A's license?

NPPES lists Massachusetts license number 760, 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.