Kerriann Duffy, M.S.,CCC-SLP
Speech-Language Pathologist · Stamford, CT
Kerriann Duffy, M.S.,CCC-SLP is a speech-language pathologist with a practice address in Stamford, Connecticut, and NPI 1992939649, issued on May 11, 2009. Check the license (Connecticut 003368, as entered in NPPES) with the Connecticut board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Kerriann Duffy
- Credential
- M.S.,CCC-SLP
- Primary taxonomy
- Speech-Language Pathologist 235Z00000X
- License number
- 003368 CT
Self-reported in NPPES; status is on the state search - Practice location
- 800 Stillwater RD, Stamford, CT 06902
- Phone
- (203) 977-6631
- Enumerated
- May 11, 2009
- Record last updated
- May 29, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 800 Stillwater RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily Carter, RDHDental Hygienist1588449003
- Beverly Christian, M.S., CCC-SLPSpeech-Language Pathologist1487888608
- Sofia GudielSocial Worker1396566378
- Trystan Rodriguez, LMSWClinical Social Worker1184304883
Verify Kerriann Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 003368Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82 speech-language pathologist records list a practice address in Stamford
They are 82 of the 2,774 NPPES records with a practice address in Stamford, and 1,639 speech-language pathologist records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 82 in Stamford → All 1,639 in Connecticut → Every provider in Stamford →
Other speech-language pathologist records in Connecticut
- Ellaine Abalos, M.S., CCC-SLPGlastonbury, CT1205150281
- Joseph AbrahamCromwell, CT1649950569
- Brianne AbustanManchester, CT1972082691
- Victoria AccaFarmington, CT1689465486
- April AckroydPlainville, CT1558613208
- Lynn Acton, MSNew Haven, CT1205817889
- Katherine AdamsNew Haven, CT1023851821
- Warren AdamsOxford, CT1306469150
- Haley Addis, M/S/, CCC-SLPOxford, CT1922490598
- Melanie AdittyaWest Hartford, CT1548849458
Common questions
What is Kerriann Duffy, M.S.,CCC-SLP's NPI number?
Kerriann Duffy, M.S.,CCC-SLP's National Provider Identifier (NPI) is 1992939649, issued on May 11, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Kerriann Duffy, M.S.,CCC-SLP located?
The NPPES record lists a practice address at 800 Stillwater RD, Stamford, CT, 06902. Phone: (203) 977-6631. Providers update this record themselves, so call before visiting.
How can I verify Kerriann Duffy, M.S.,CCC-SLP's license?
NPPES lists Connecticut license number 003368, as entered by the provider. Search the Connecticut 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.