Karen June O'Sullivan Seifert, MA CCC SLP
Speech-Language Pathologist · Patchogue, NY
Karen June O'Sullivan Seifert, MA CCC SLP is a speech-language pathologist with a practice address in Patchogue, New York, and NPI 1679629497, issued on Jan 26, 2007. Check the license (New York 010201-01, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen June O'Sullivan Seifert
- Credential
- MA CCC SLP
- Primary taxonomy
- Speech-Language Pathologist 235Z00000X
- License number
- 010201-01 NY
Self-reported in NPPES; status is on the state search - Practice location
- 5 Evans Ave, Patchogue, NY 11772
- Phone
- (631) 730-6670
- Enumerated
- Jan 26, 2007
- Record last updated
- Apr 23, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140711002013); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest speech-language pathologist records → All 24,851 in New York → Look up another NPI →
Verify Karen June O'Sullivan Seifert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 010201-01Check 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
- Little Angels Center IncBlue Point, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen June O'Sullivan Seifert among 24,851 speech-language pathologist records in New York
Karen June O'Sullivan Seifert, MA CCC SLP is one of 24,851 speech-language pathologist records with a practice address in New York. 2% 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 2% of them.
- NPI issued2007 · 2% of these records are older, 93% newer
- In a Medicare fileYes · 2% of these records are
- In the CMS Doctors and Clinicians fileYes · 2% of these records are
- Graduated1997 · median 2014 among the 615 with a school on file
- Record last updated2020 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 235Z00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 speech-language pathologist records list a practice address in Patchogue
They are 34 of the 987 NPPES records with a practice address in Patchogue, and 24,851 speech-language pathologist records in New York.
All 24,851 in New York → Every provider in Patchogue → Speech-Language Pathologist nationwide →
The 8 speech-language pathologist records with the nearest ZIP codes
- Caroline Brabazon, MSCCCSLPEast Patchogue, NY 117721548316441
- Suzanne Brady, MACCC SLPEast Patchogue, NY 117721679771364
- Kristin Brown, M.S. CCC-SLPEast Patchogue, NY 117721023325743
- Lisa Caliguri, M.A./SLP-CCC; TSLDPatchogue, NY 117721730351149
- Michele Casey, M.A. CCC-SLPPatchogue, NY 117721528267788
- Daphnie Doirin, SLP-CCCPatchogue, NY 117721538315239
- Jeanne Frost, MA, SLP, CCCPatchogue, NY 117721710291935
- Laurie James-Katz, CCC-SLPPatchogue, NY 117721689879595
Common questions
What is Karen June O'Sullivan Seifert, MA CCC SLP's NPI number?
Karen June O'Sullivan Seifert, MA CCC SLP's National Provider Identifier (NPI) is 1679629497, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karen June O'Sullivan Seifert, MA CCC SLP located?
The NPPES record lists a practice address at 5 Evans Ave, Patchogue, NY, 11772. Phone: (631) 730-6670. Providers update this record themselves, so call before visiting.
How can I verify Karen June O'Sullivan Seifert, MA CCC SLP's license?
NPPES lists New York license number 010201-01, as entered by the provider. Search the New York 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.