Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARK F SOMMER DDS
NPI 1649279084
Dentist - General Practice in Lake Success, NY

Q: What is Mark Sommer's NPI number?

The NPI number for Mark Sommer is 1649279084. It was assigned to this individual provider in the NPPES registry on July 19, 2005.

Q: What is Mark Sommer'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 Mark Sommer was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 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.

Active since July 19, 2005

2001 MARCUS AVE, SUITE W82, LAKE SUCCESS, NY 11042(516) 328-1144(516) 328-1147 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. Mark F Sommer Dds NPPES

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

DR. MARK F SOMMER DDS (NPI 1649279084) is an individual general practice provider in Lake Success, New York, licensed in New York (36694) and active in the NPI registry since July 2005.

NPPES Registry Identity

NPI1649279084

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. MARK F SOMMERCredential: DDS

Location Address2001 MARCUS AVE, SUITE W82Lake Success, NY 11042-1011

Mailing Address9 Bender CtDix Hills, NY 11746-6100 · (631) 274-9244 · Fax (631) 274-9243

Phone(516) 328-1144

Fax(516) 328-1147

Sole ProprietorNo

Enumeration DateJuly 19, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1649279084 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 · 36694

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.

2001 MARCUS AVE, Lake Success, NY 11042

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Humana.Insurance ›

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.

PAUL S. BERG MD

Internal Medicine (Gastroenterology)

2001 MARCUS AVE, SUITE N204
NEW HYDE PARK, NY 11042

Nassau County (516) 684-9229

MIMI G BANSAL, MD

Dermatology (Procedural Dermatology)

2001 MARCUS AVE, SUITE N218
LAKE SUCCESS, NY 11042

Nassau County (516) 352-2700

DR. LESLIE R. KOLKER O.D.

Optometrist

2001 MARCUS AVE, SUITE 286 WEST
NEW HYDE PARK, NY 11042

Nassau County (516) 328-1800

ECLIPSE ANESTHESIA ASSOCIATES PLLC

Anesthesiology

2001 MARCUS AVE, STE N18
NEW HYDE PARK, NY 11042

Nassau County (516) 775-7770

DR. MADHU SOMABHAI PATEL M.D.

Internal Medicine

2001 MARCUS AVE
NEW HYDE PARK, NY 11042

Nassau County (516) 354-8686

DR. OMID RAHMANI MD

Surgery (Vascular Surgery)

2001 MARCUS AVE, SUITE S50
NEW HYDE PARK, NY 11042

Nassau County (516) 328-9800

DEBORAH JEAN WARING LAC.

Acupuncturist

2001 MARCUS AVE
NEW HYDE PARK, NY 11042

Nassau County (516) 775-3717

MR. SEBASTIAN LATTUGA MD FACOS

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)

2001 MARCUS AVE, STE 170 W NEW YORK SPECIALISTS LLP
LAKE SUCCESS, NY 11042

Nassau County (516) 355-0111

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 Mark Sommer's NPI number?

The NPI number for Mark Sommer is 1649279084. It was assigned to this individual provider in the NPPES registry on July 19, 2005.

Where is Mark Sommer located?

Mark Sommer practices at 2001 Marcus Ave Suite W82, Lake Success, NY 11042. The listed phone number is (516) 328-1144.

What is Mark Sommer's specialty?

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

What insurance does Mark Sommer accept?

Health plans from Humana list Mark Sommer 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 Mark Sommer was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 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.