DR. JEFFREY SEIVER DDS
NPI 1144215930
Dentist - General Practice in Stony Brook, NY

Q: What is Jeffrey Seiver's NPI number?

The NPI number for Jeffrey Seiver is 1144215930. It was assigned to this individual provider in the NPPES registry on September 16, 2005.

Q: What is Jeffrey Seiver's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for Jeffrey Seiver was last updated on October 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.

Active since September 16, 2005PECOS Enrolled

148 WESTCHESTER HALL, STONY BROOK UNIVERSITY SCHOOL OF DENTAL MEDICINE, STONY BROOK, NY 11794(631) 638-8986 Get Directions Write a Review

NPPES record last updated: October 8, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 8, 2025, Feb 4, 2016 (2 updates tracked since 2016).

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About Dr. Jeffrey Seiver Dds NPPES

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

DR. JEFFREY SEIVER DDS (NPI 1144215930) is an individual general practice provider in Stony Brook, New York, licensed in New York (039345) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144215930

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. JEFFREY SEIVERCredential: DDS

Location Address148 WESTCHESTER HALL, STONY BROOK UNIVERSITY SCHOOL OF DENTAL MEDICINEStony Brook, NY 11794-0001

Mailing Address131 Westchester Hl, Suite 1Stony Brook, NY 11794-0001 · (516) 316-1980

Phone(631) 638-8986

Sole ProprietorYes

Enumeration DateSeptember 16, 2005

Last NPPES UpdateOctober 8, 20252 updates tracked since enumeration

NPPES CertifiedOctober 8, 2025

✔ NPI 1144215930 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in NY · 039345

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

148 WESTCHESTER HALL, Stony Brook, NY 11794

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jeffrey Seiver Dds is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11794 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$105.06 typical visit price

range $67.40 – $203.53

Typical copayment $26.26 (range $16.85 – $50.88)

Most-billed visit code 99203

Established Patient

$83.44 typical visit price

range $21.66 – $164.45

Typical copayment $20.86 (range $5.41 – $41.11)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Jeffrey Seiver's NPI number?

The NPI number for Jeffrey Seiver is 1144215930. It was assigned to this individual provider in the NPPES registry on September 16, 2005.

Where is Jeffrey Seiver located?

Jeffrey Seiver practices at 148 Westchester Hall Stony Brook University School Of Dental Medicine, Stony Brook, NY 11794. The listed phone number is (631) 638-8986.

What is Jeffrey Seiver's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Jeffrey Seiver enrolled in Medicare?

Yes. Jeffrey Seiver is registered in the Medicare PECOS enrollment system.

What insurance does Jeffrey Seiver accept?

Health plans from BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Florida Combined Life and 3 other insurers list Jeffrey Seiver as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Jeffrey Seiver was last updated on October 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.