DR. MARK C LEMONNIER D.D.S.
NPI 1780627778
Dentist - General Practice in Frederick, MD

Active since June 14, 2006Opted out of Medicare · through Feb 11, 2028
6550 MERCANTILE DR E, SUITE 204, FREDERICK, MD 21703(301) 663-0811 Get Directions Write a Review

NPPES record last updated: October 21, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Mark C Lemonnier D.d.s. NPPES

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

DR. MARK C LEMONNIER D.D.S. (NPI 1780627778) is an individual general practice provider in Frederick, Maryland, licensed in Maryland (11694) and active in the NPI registry since June 2006. He has opted out of Medicare through February 11, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1780627778
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. MARK C LEMONNIERCredential: D.D.S.
Location Address6550 MERCANTILE DR E, SUITE 204Frederick, MD 21703-7655
Mailing Address6550 Mercantile Dr E, Suite 204Frederick, MD 21703-7655 · (301) 663-0811
Sole ProprietorYes
Enumeration DateJune 14, 2006
Last NPPES UpdateOctober 21, 2008
NPI 1780627778 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License Licensed in MD · 11694
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.

6550 MERCANTILE DR E, Frederick, MD 21703

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Dr. Mark C Lemonnier D.d.s. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from February 11, 2016 through February 11, 2028.

Opt-Out Effective DateFebruary 11, 2016
Opt-Out In Effect ThroughFebruary 11, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21703 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
$89.75 typical visit price
range $57.99 – $175.57
Typical copayment $22.43 (range $14.49 – $43.89)
Most-billed visit code 99203
Established Patient
$72.23 typical visit price
range $18.66 – $143.02
Typical copayment $18.05 (range $4.66 – $35.75)
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.

Other Providers at the Same Location NPPES 4

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

Physical Medicine & Rehabilitation (Pain Medicine)
6550 MERCANTILE DR E, SUITE 104
FREDERICK, MD 21703
Dentist (Oral and Maxillofacial Surgery)
6550 MERCANTILE DR E, SUITE 101
FREDERICK, MD 21703
Chiropractor
6550 MERCANTILE DR E, SUITE 105
FREDERICK, MD 21703
Physical Medicine & Rehabilitation (Pain Medicine)
6550 MERCANTILE DR E, SUITE 104
FREDERICK, MD 21703

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 Lemonnier's NPI number?

The NPI number for Mark Lemonnier is 1780627778. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Where is Mark Lemonnier located?

Mark Lemonnier practices at 6550 Mercantile Dr E Suite 204, Frederick, MD 21703. The listed phone number is (301) 663-0811.

What is Mark Lemonnier's specialty?

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

Is Mark Lemonnier enrolled in Medicare?

No. Mark Lemonnier has opted out of Medicare through February 11, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does Mark Lemonnier accept?

Health plans from Florida Combined Life list Mark Lemonnier 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 Lemonnier was last updated on October 21, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.