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MARK L. PLASTER M.D.
NPI 1265440408
Family Medicine - Addiction Medicine in Mechanicsville, MD

Active since August 04, 2006PECOS Enrolled
39371 HARPERS CORNER RD, MECHANICSVILLE, MD 20659(302) 545-0406 Get Directions Write a Review

NPPES record last updated: May 2, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mark L. Plaster M.d. NPPES

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

MARK L. PLASTER M.D. (NPI 1265440408) is an individual addiction medicine provider in Mechanicsville, Maryland, licensed in Maryland (D0056308) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265440408
Entity TypeIndividualMale
Primary Taxonomy207QA0401X
Provider Legal NameMARK L. PLASTERCredential: M.D.
Location Address39371 HARPERS CORNER RDMechanicsville, MD 20659-6218
Mailing Address4794 Bayfields RdHarwood, MD 20776-9575 · (302) 545-0406
Phone(302) 545-0406
Sole ProprietorYes
Enumeration DateAugust 4, 2006
Last NPPES UpdateMay 2, 2023
NPPES CertifiedMay 2, 2023
✔ NPI 1265440408 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QA0401X
License✔ Licensed in MD · D0056308
Definition
A family medicine physician who specializes in the diagnosis and treatment of addictions.
Also ListedEmergency MedicineTaxonomy 207P00000X · License D0056308 (MD)
39371 HARPERS CORNER RD, Mechanicsville, MD 20659
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark L. Plaster M.d. 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Mark Plaster reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Johns Hopkins Community Physicians, Inc
46 mi
Physical Medicine & Rehabilitation
1132 ANNAPOLIS RD STE 101
Odenton, MD 21113
  • Reassigned Medicare billing, Maryland enrollment
  • 952 clinicians in this Medicare group
NPI 1669293668 (410) 874-1400
Rosebud Indian Health Service
1,304 mi
General Acute Care Hospital
400 SOLDIER CREEK ROAD
Rosebud, SD 57570
  • Reassigned Medicare billing, Texas enrollment
  • 386 clinicians in this Medicare group
NPI 1194757369 (605) 747-3245

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20659 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
$133.05 typical visit price
range $57.99 – $175.57
Typical copayment $33.26 (range $14.49 – $43.89)
Most-billed visit code 99204
Established Patient
$102.11 typical visit price
range $18.66 – $143.02
Typical copayment $25.52 (range $4.66 – $35.75)
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

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

TENTHOUSE HEALTH, LLC
Emergency Medicine
39371 HARPERS CORNER RD
MECHANICSVILLE, MD 20659
St. Mary's County (302) 545-0406

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 Plaster's NPI number?

The NPI number for Mark Plaster is 1265440408. It was assigned to this individual provider in the NPPES registry on August 4, 2006.

Where is Mark Plaster located?

Mark Plaster practices at 39371 Harpers Corner Rd, Mechanicsville, MD 20659. The listed phone number is (302) 545-0406.

What is Mark Plaster's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Addiction Medicine, with taxonomy code 207QA0401X.

Is Mark Plaster enrolled in Medicare?

Yes. Mark Plaster is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mark Plaster's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Plaster reassigns Medicare benefits to 2 organizations: Johns Hopkins Community Physicians, Inc (Odenton, MD) and Rosebud Indian Health Service (Rosebud, SD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Plaster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mark Plaster was last updated on May 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.