Shannon M. Duffy, CCC-SLP
Speech-Language Pathologist · Lowell, MA
Shannon M. Duffy, CCC-SLP is a speech-language pathologist with a practice address in Lowell, Massachusetts, and NPI 1821709668, issued on Dec 13, 2022. Check the license (Massachusetts 78053, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Shannon M. Duffy
- Credential
- CCC-SLP
- Primary taxonomy
- Speech-Language Pathologist 235Z00000X
- License numbers
- 78053 MA
2228 NH
Self-reported in NPPES; status is on the state search - Practice location
- 295 Varnum Ave, Lowell, MA 01854
- Phone
- (978) 937-6000
- Enumerated
- Dec 13, 2022
- Record last updated
- Dec 13, 2022
- Entity
- Type 1 · individual
Also registered at 295 Varnum Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachelle Aaron, CNMAdvanced Practice Midwife1407355878
- Scott Abel, MDDiagnostic Radiology Physician1124020201
- Stella Abhyankar, MDInternal Medicine Physician1487697736
- Donald Agostinelli, M.D.Anatomic Pathology & Clinical Pathology Physician1144296450
- Muneer Ahmad, MDHospitalist Physician1902151301
- Jokha Ahmed, MDGeriatric Medicine (Internal Medicine) Physician1306369749
Verify Shannon M. Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 78053Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67 speech-language pathologist records list a practice address in Lowell
They are 67 of the 2,992 NPPES records with a practice address in Lowell, and 3,980 speech-language pathologist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 67 in Lowell → All 3,980 in Massachusetts → Every provider in Lowell →
Other speech-language pathologist records in Massachusetts
- Brianna Abbas, MS, CCC-SLPDartmouth, MA1013757616
- Mary Abbott, CCC/SLPAmherst, MA1518067263
- Anna AbboudBrookline, MA1972154581
- Amy AbdallaDartmouth, MA1356637730
- Linda Abdelahad, MED,CCC,SLPBrockton, MA1063525400
- Ahmed Abdelal, PH.D., CCCPlymouth, MA1689718876
- Maria Abdo, M.S., CCC-SLPWaltham, MA1306325642
- Sheeva Abolhassani, SHEEVA ABOLHASSANIDracut, MA1174814198
- Salma Abounadi, MS CCC SLPChelmsford, MA1295076180
- Julia AbovichSomerville, MA1831917541
Common questions
What is Shannon M. Duffy, CCC-SLP's NPI number?
Shannon M. Duffy, CCC-SLP's National Provider Identifier (NPI) is 1821709668, issued on Dec 13, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Shannon M. Duffy, CCC-SLP located?
The NPPES record lists a practice address at 295 Varnum Ave, Lowell, MA, 01854. Phone: (978) 937-6000. Providers update this record themselves, so call before visiting.
How can I verify Shannon M. Duffy, CCC-SLP's license?
NPPES lists Massachusetts license number 78053, 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. 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.