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

DR. MARK B WINNICK D.D.S.
NPI 1881655629
Dentist - Periodontics in Gaithersburg, MD

Active since March 31, 2006
802 RUSSELL AVE, SUITE 3A, GAITHERSBURG, MD 20879(301) 926-8282(301) 330-6970 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mark B Winnick D.d.s. NPPES

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

DR. MARK B WINNICK D.D.S. (NPI 1881655629) is an individual periodontics provider in Gaithersburg, Maryland, licensed in Maryland (4954) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1881655629
Entity TypeIndividualMale
Primary Taxonomy1223P0300X
Provider Legal NameDR. MARK B WINNICKCredential: D.D.S.
Location Address802 RUSSELL AVE, SUITE 3AGaithersburg, MD 20879-3506
Mailing Address802 Russell Ave, Suite 3aGaithersburg, MD 20879-3506 · (301) 926-8282 · Fax (301) 330-6970
Phone(301) 926-8282
Fax(301) 330-6970
Sole ProprietorNo
Enumeration DateMarch 31, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1881655629 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · PeriodonticsDental Providers
Taxonomy Code1223P0300X
License✔ Licensed in MD · 4954
Definition
That specialty of dentistry which encompasses the prevention, diagnosis and treatment of diseases of the supporting and surrounding tissues of the teeth or their substitutes and the maintenance of the health, function and esthetics of these structures and tissues.
802 RUSSELL AVE, Gaithersburg, MD 20879
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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 ›

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 Winnick's NPI number?

The NPI number for Mark Winnick is 1881655629. It was assigned to this individual provider in the NPPES registry on March 31, 2006.

Where is Mark Winnick located?

Mark Winnick practices at 802 Russell Ave Suite 3A, Gaithersburg, MD 20879. The listed phone number is (301) 926-8282.

What is Mark Winnick's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Periodontics, with taxonomy code 1223P0300X.

What insurance does Mark Winnick 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 Mark Winnick 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 Winnick 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 24 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.