DEMY ANN SEBASTIAN FNP
NPI 1629667100
Nurse Practitioner - Family in Valhalla, NY

Active since January 11, 2021PECOS Enrolled
100 WOODS RD, VALHALLA, NY 10595(914) 493-7031 Get Directions Write a Review

NPPES record last updated: January 11, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Demy Ann Sebastian Fnp NPPES

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

DEMY ANN SEBASTIAN FNP (NPI 1629667100) is an individual family provider in Valhalla, New York, licensed in New York (F345558-01) and active in the NPI registry since January 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1629667100
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameDEMY ANN SEBASTIANCredential: FNP
Location Address100 WOODS RDValhalla, NY 10595-1530
Mailing Address1 Quarry DrNew City, NY 10956-4230 · (845) 323-1931
Sole ProprietorNo
Enumeration DateJanuary 11, 2021
NPPES CertifiedJanuary 11, 2021
NPI 1629667100 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 · F345558-01
100 WOODS RD, Valhalla, NY 10595

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Demy Ann Sebastian Fnp 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 10595 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
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Nurse Practitioner (Neonatal, Critical Care)
100 WOODS RD
VALHALLA, NY 10595
Anesthesiology
100 WOODS RD
VALHALLA, NY 10595
Dietitian, Registered
100 WOODS RD
VALHALLA, NY 10595
Internal Medicine
100 WOODS RD
VALHALLA, NY 10595
Internal Medicine
100 WOODS RD
VALHALLA, NY 10595
Student in an Organized Health Care Education/Training Program
100 WOODS RD
VALHALLA, NY 10595
Student in an Organized Health Care Education/Training Program
100 WOODS RD
VALHALLA, NY 10595
Student in an Organized Health Care Education/Training Program
100 WOODS RD
VALHALLA, NY 10595

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 Demy Sebastian's NPI number?

The NPI number for Demy Sebastian is 1629667100. It was assigned to this individual provider in the NPPES registry on January 11, 2021.

Where is Demy Sebastian located?

Demy Sebastian practices at 100 Woods Rd, Valhalla, NY 10595. The listed phone number is (914) 493-7031.

What is Demy Sebastian's specialty?

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

Is Demy Sebastian enrolled in Medicare?

Yes. Demy Sebastian is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Demy Sebastian was last updated on January 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.