MARK AMSTER DERM
NPI 1265098032
Dermatology in Mashpee, MA
About Mark Amster Derm NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK AMSTER DERM (NPI 1265098032) is a healthcare organization registered as a dermatology in Mashpee, Massachusetts and active in the NPI registry since May 2019. The organization maintains 2 additional practice locations and lists Mark S Amster, Authorized Group Official, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark Amster Derm is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
3Medicare enrollment records show 3 clinicians reassign Medicare billing to Mark Amster Derm, which bills Medicare for the services they deliver. They are listed nearest first.
Clinicians, nearest first (3)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Amster Derm's NPI number?
The NPI number for Mark Amster Derm is 1265098032. It was assigned to this organization in the NPPES registry on May 16, 2019.
Where is Mark Amster Derm located?
Mark Amster Derm is located at 800 Falmouth Rd Ste 101B, Mashpee, MA 02649. The listed phone number is (617) 783-7100.
What is Mark Amster Derm's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Mark Amster Derm enrolled in Medicare?
Yes. Mark Amster Derm is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mark Amster Derm?
According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Mark Amster Derm, in Dermatology and Pathology. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Mark Amster Derm accept?
Health plans from Anthem Blue Cross and Blue Shield list Mark Amster Derm 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 Amster Derm was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.