NPPES file of Aug 9, 2026

Liam C. Riddle, GENETIC COUNSELOR

Genetic Counselor (M.S.) · West Islip, NY

Liam C. Riddle, GENETIC COUNSELOR is a genetic counselor (m.s.) with a practice address in West Islip, New York, and NPI 1891300067, issued on Sep 14, 2020. 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
1891300067
Name
Liam C. Riddle
Credential
GENETIC COUNSELOR
Primary taxonomy
Genetic Counselor (M.S.) 170300000X
Practice location
1000 Montauk Hwy, West Islip, NY 11795
Phone
(734) 972-1848
Enumerated
Sep 14, 2020
Record last updated
Sep 14, 2020 (not updated in 6 years: call before relying on the address or phone)
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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8 nearest genetic counselor (m.s.) records → All 398 in New York → Look up another NPI →

Also registered at 1000 Montauk Hwy

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

  1. Rashad Abdallah, DOStudent in an Organized Health Care Education/Training Program1356194070
  2. Almothana Aburumman, MDStudent in an Organized Health Care Education/Training Program1669267506
  3. Hakeem Afuwape, DODiagnostic Radiology Physician1326292806
  4. Samantha Ahearn, PA-CPhysician Assistant1952279572
  5. Michele Ahlers, NURSE PRACTITIONERAdult Health Nurse Practitioner1063037869
  6. Fahim Ahmed, D.O.Emergency Medicine Physician1619904372

Verify Liam C. Riddle 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
Find the New York license search

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Liam C. Riddle among 398 genetic counselor (m.s.) records in New York

Liam C. Riddle, GENETIC COUNSELOR is one of 398 genetic counselor (m.s.) records with a practice address in New York. 0% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2020, is newer than 54% of them.

  • NPI issued2020 · 54% of these records are older, 38% newer
  • In a Medicare fileNo · 0% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2020 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 170300000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

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.

All 398 in New York → Every provider in West Islip → Genetic Counselor (M.S.) nationwide →

The 8 genetic counselor (m.s.) records with the nearest ZIP codes

  1. Julianna CerboneWest Islip, NY 117951316818388
  2. Olivia Disilvestre, MS, GCWest Islip, NY 117951467381269
  3. Naomi Eisner, MS, CGCWest Islip, NY 117951699493437
  4. Judyth Greenbaum, M.S.West Islip, NY 117951801811070
  5. Erika Heintz, M.S.West Islip, NY 117951528398328
  6. Jessica Kenney, MSWest Islip, NY 117951104355445
  7. Yocheved Strum, MSWest Islip, NY 117951548756224
  8. Kathleen O'Brien, MSSyosset, NY 117911730134917

Common questions

What is Liam C. Riddle, GENETIC COUNSELOR's NPI number?

Liam C. Riddle, GENETIC COUNSELOR's National Provider Identifier (NPI) is 1891300067, issued on Sep 14, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Liam C. Riddle, GENETIC COUNSELOR located?

The NPPES record lists a practice address at 1000 Montauk Hwy, West Islip, NY, 11795. Phone: (734) 972-1848. Providers update this record themselves, so call before visiting.

How can I verify Liam C. Riddle, GENETIC COUNSELOR'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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.