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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. BARBARA L SEIFERT MD
NPI 1609846765
Pediatrics - Pediatric Cardiology in Smithtown, NY

Active since January 23, 2006
285 MIDDLE COUNTRY RD, STE LL-2, SMITHTOWN, NY 11787(631) 979-4541(631) 979-4546 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Barbara L Seifert Md NPPES

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

DR. BARBARA L SEIFERT MD (NPI 1609846765) is an individual pediatric cardiology provider in Smithtown, New York, licensed in New York (1842731) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1609846765
Entity TypeIndividualFemale
Primary Taxonomy2080P0202X
Provider Legal NameDR. BARBARA L SEIFERTCredential: MD
Location Address285 MIDDLE COUNTRY RD, STE LL-2Smithtown, NY 11787
Mailing Address285 Middle Country Rd, Ste Ll-2Smithtown, NY 11787 · (631) 979-4541 · Fax (631) 979-4546
Phone(631) 979-4541
Fax(631) 979-4546
Sole ProprietorNo
Enumeration DateJanuary 23, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1609846765 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
License✔ Licensed in NY · 1842731
Definition

A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.

285 MIDDLE COUNTRY RD, Smithtown, NY 11787
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Other Providers at the Same Location NPPES 20

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

DR. TIMOTHY JAMES MURPHY III D.D.S.
Dentist (General Practice)
285 MIDDLE COUNTRY RD, SUITE LL-7
SMITHTOWN, NY 11787
Suffolk County (631) 366-5797
MUHAMMAD MUSTAFA KHAN MD
Physical Medicine & Rehabilitation (Pain Medicine)
285 MIDDLE COUNTRY RD, SUITE- LL6
SMITHTOWN, NY 11787
Suffolk County (631) 656-6853
DR. MICHELE LESTER DDS
Dentist (Periodontics)
285 MIDDLE COUNTRY RD, SUITE 108
SMITHTOWN, NY 11787
Suffolk County (631) 724-9545
DR. LAURA C PERRATTO DMD
Dentist
285 MIDDLE COUNTRY RD
SMITHTOWN, NY 11787
Suffolk County (631) 382-2495
DR. HARRRY BOUTIS DDS
Dentist
285 MIDDLE COUNTRY RD, SUITE 108
SMITHTOWN, NY 11787
Suffolk County (631) 265-0030
RICHARD A SCHOOR MD PC
Urology
285 MIDDLE COUNTRY RD, SUITE 207
SMITHTOWN, NY 11787
Suffolk County (631) 326-6035
MIDDLE COUNTRY ENDOCRINOLOGY, PC
Internal Medicine (Endocrinology, Diabetes & Metabolism)
285 MIDDLE COUNTRY RD, SUITE 105
SMITHTOWN, NY 11787
Suffolk County (631) 509-0390
SMITHTOWN ENDODONTICS P.C.
Dentist (Endodontics)
285 MIDDLE COUNTRY RD
SMITHTOWN, NY 11787
Suffolk County (516) 446-7414

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 Barbara Seifert's NPI number?

The NPI number for Barbara Seifert is 1609846765. It was assigned to this individual provider in the NPPES registry on January 23, 2006.

Where is Barbara Seifert located?

Barbara Seifert practices at 285 Middle Country Rd Ste Ll-2, Smithtown, NY 11787. The listed phone number is (631) 979-4541.

What is Barbara Seifert's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

When was this NPI record last updated?

The NPPES record for Barbara Seifert was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.