NPPES file of Aug 9, 2026

Kathleen O'Brien, MS

Genetic Counselor (M.S.) · Syosset, NY

Kathleen O'Brien, MS is a genetic counselor (m.s.) with a practice address in Syosset, New York, and NPI 1730134917, issued on May 24, 2006. Check the license with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1730134917
Name
Kathleen O'Brien
Credential
MS
Primary taxonomy
Genetic Counselor (M.S.) 170300000X
Practice location
575 Underhill Blvd, Syosset, NY 11791
Phone
(516) 677-3981
Enumerated
May 24, 2006
Record last updated
Jul 13, 2026
Fax
(516) 677-6631
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 575 Underhill Blvd

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

  1. Jill Bressler, MDNeurology Physician1306894217
  2. Eugene DalyPharmacist1962889642
  3. Kathleen Everson, PSY.D.Psychologist1114779956
  4. Joyce Forman, M.D.Anatomic Pathology Physician1073840849
  5. Ziba Jelveh, MDAnatomic Pathology & Clinical Pathology Physician1588710925
  6. Thomas Kelly, PSY.D.Psychologist1063087294

Verify Kathleen O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this professionCheck 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
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Genetic Counselor (M.S.) providers in New York

There are 398 genetic counselor (m.s.) records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other genetic counselor (m.s.) records in New York

  1. Jamie Abbott, PHD, MSBuffalo, NY1093411522
  2. Rebecca Abel, MS, CGCGreat Neck, NY1730908450
  3. Risa AbittanMelville, NY1851983159
  4. Jill Abrams, MSNew York, NY1982672804
  5. Karina Acrich, MS CGCMaspeth, NY1780957118
  6. Lindsay Adamczak, MS, CGCRochester, NY1952890246
  7. Priyanka Ahimaz, M.S, CGCNew York, NY1841504172
  8. Sohnee Ahmed, MS, CGCRochester, NY1497184600
  9. Margaret Alexander, PHD, MS, CGCBuffalo, NY1902467269
  10. Lindsey Alico, M.S.Flushing, NY1457644189

Common questions

What is Kathleen O'Brien, MS's NPI number?

Kathleen O'Brien, MS's National Provider Identifier (NPI) is 1730134917, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kathleen O'Brien, MS located?

The NPPES record lists a practice address at 575 Underhill Blvd, Syosset, NY, 11791. Phone: (516) 677-3981. Providers update this record themselves, so call before visiting.

How can I verify Kathleen O'Brien, MS's license?

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. 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.