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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. DAVID LAWRENCE KOSS D.D.S.
NPI 1689663312
Dentist - Pediatric Dentistry in Hartsdale, NY

Active since October 15, 2005
99 FIELDSTONE DR, HARTSDALE, NY 10530(914) 997-8820(914) 997-9627 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. David Lawrence Koss D.d.s. NPPES

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

DR. DAVID LAWRENCE KOSS D.D.S. (NPI 1689663312) is an individual pediatric dentistry provider in Hartsdale, New York, licensed in New York (0033555) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1689663312
Entity TypeIndividualMale
Primary Taxonomy1223P0221X
Provider Legal NameDR. DAVID LAWRENCE KOSSCredential: D.D.S.
Location Address99 FIELDSTONE DRHartsdale, NY 10530-1564
Mailing Address99 Fieldstone DrHartsdale, NY 10530-1564 · (914) 997-8820 · Fax (914) 997-9627
Phone(914) 997-8820
Fax(914) 997-9627
Sole ProprietorNo
Enumeration DateOctober 15, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1689663312 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · Pediatric DentistryDental Providers
Taxonomy Code1223P0221X
License✔ Licensed in NY · 0033555
Definition

An age-defined specialty that provides both primary and comprehensive preventive and therapeutic oral health care for infants and children through adolescence, including those with special health care needs.

99 FIELDSTONE DR, Hartsdale, NY 10530
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Other Identifiers 1

Medicaid00507671NY

Accepted Insurance

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

Other Providers at the Same Location NPPES 11

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

DR. SARA F KENAMORE M.D.
Pediatrics
99 FIELDSTONE DR
HARTSDALE, NY 10530
Westchester County (914) 428-2120
DR. KENNETH H KATZ M.D.
Pediatrics
99 FIELDSTONE DR
HARTSDALE, NY 10530
Westchester County (914) 428-2120
DR. JENNIFER L LONGOBARDI M.D.
Pediatrics
99 FIELDSTONE DR
HARTSDALE, NY 10530
Westchester County (914) 428-2120
DR. STEVEN ELLIOT BERNSTEIN DDS
Dentist (General Practice)
99 FIELDSTONE DR
HARTSDALE, NY 10530
Westchester County (914) 761-1500
PRIMARY CARE DENTAL PC
Dentist
99 FIELDSTONE DR
HARTSDALE, NY 10530
Westchester County (914) 997-8820
DR. FREDRIC BOMBACK MD
Pediatrics
99 FIELDSTONE DR
HARTSDALE, NY 10530
Westchester County (914) 428-2120
SHAHLA ASADI
Dentist
99 FIELDSTONE DR
HARTSDALE, NY 10530
Westchester County (914) 761-1500
DR. JENNIFER HYUNJUNG KIM D.D.S
Dentist (Pediatric Dentistry)
99 FIELDSTONE DR
HARTSDALE, NY 10530
Westchester County (562) 405-2001

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 David Koss's NPI number?

The NPI number for David Koss is 1689663312. It was assigned to this individual provider in the NPPES registry on October 15, 2005.

Where is David Koss located?

David Koss practices at 99 Fieldstone Dr, Hartsdale, NY 10530. The listed phone number is (914) 997-8820.

What is David Koss's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Pediatric Dentistry, with taxonomy code 1223P0221X.

What insurance does David Koss accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list David Koss 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 David Koss was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.