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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

JENNIFER SEICKEL
NPI 1407760499
Nurse Practitioner - Family in East Setauket, NY

Active since September 29, 2026
100 S JERSEY AVE, EAST SETAUKET, NY 11733(631) 972-4955 Get Directions Write a Review

NPPES record added: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Jennifer Seickel NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JENNIFER SEICKEL (NPI 1407760499) is an individual family provider in East Setauket, New York, licensed in New York (F359872-01) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1407760499
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameJENNIFER SEICKEL
Location Address100 S JERSEY AVEEast Setauket, NY 11733-2034
Mailing Address4 Gaigal DrNesconset, NY 11767-2207 · (631) 972-4955
Phone(631) 972-4955
Sole ProprietorYes
Enumeration DateSeptember 29, 2026
NPPES CertifiedSeptember 29, 2026
✔ NPI 1407760499 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in NY · F359872-01
100 S JERSEY AVE, East Setauket, NY 11733
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Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EASTERN LONG ISLAND FAMILY MEDICINE PC
Family Medicine
100 S JERSEY AVE, SUITE 14
EAST SETAUKET, NY 11733
Suffolk County (631) 751-3883
DR. JOHN A IPPOLITO DO
Internal Medicine (Rheumatology)
100 S JERSEY AVE, UNIT 19
SETAUKET, NY 11733
Suffolk County (631) 689-5000
DR. TIM YIN DDS
Dentist (General Practice)
100 S JERSEY AVE, SUITE 12
EAST SETAUKET, NY 11733
Suffolk County (631) 751-9565
DR. CHRISTOPHER NG M.D.
Family Medicine
100 S JERSEY AVE, SUITE 14
SETAUKET, NY 11733
Suffolk County (631) 751-3883
MRS. ANNEMARIE NG MS, RD, CD/N
Dietitian, Registered
100 S JERSEY AVE, SUITE 14
SETAUKET, NY 11733
Suffolk County (631) 751-3883
MS. DEIRDRE LEE RUSSO MFT
Marriage & Family Therapist
100 S JERSEY AVE, SUITE 42
EAST SETAUKET, NY 11733
Suffolk County (631) 689-1728
DR. CHRISTINE ELISE VALESTRAND D.M.D.
Dentist (Prosthodontics)
100 S JERSEY AVE, SUITE 29
EAST SETAUKET, NY 11733
Suffolk County (631) 689-5555
DR. JAMES EDWARD TOWNSEND D.O.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
100 S JERSEY AVE, UNIT #1
EAST SETAUKET, NY 11733
Suffolk County (631) 343-3140

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jennifer Seickel's NPI number?

The NPI number for Jennifer Seickel is 1407760499. It was assigned to this individual provider in the NPPES registry on September 29, 2026.

Where is Jennifer Seickel located?

Jennifer Seickel practices at 100 S Jersey Ave, East Setauket, NY 11733. The listed phone number is (631) 972-4955.

What is Jennifer Seickel's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

When was this NPI record last updated?

The NPPES record for Jennifer Seickel was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.