Mark Amster Derm
NPI 1265098032 · Dermatology Physician · Mashpee, MA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Amster Derm is a Dermatology Physician organization in Mashpee, MA (NPI 1265098032).
Provider details
- NPI number
- 1265098032
- Entity type
- Organization
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Amster, Authorized Group Official(617) 783-7100
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (2)
- 280 Washington St Ste 212Brighton, MA 02135-3511Phone: (617) 783-7100Fax: (617) 783-7104
- 800 Falmouth Rd Ste 101bMashpee, MA 02649-3348Phone: (617) 762-7100
Registry dates
- Enumerated
- 2019-05-16
- Last updated
- 2025-12-04
- Certified
- 2025-12-04
Frequently asked questions
- What is Mark Amster Derm's NPI number?
- Mark Amster Derm's National Provider Identifier (NPI) is 1265098032, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark Amster Derm?
- Mark Amster Derm is classified in the NPPES registry as Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Amster Derm located?
- Mark Amster Derm's practice location on file with NPPES is 800 Falmouth Rd Ste 101b, Mashpee, MA 02649-3352.
- What is Mark Amster Derm's phone number?
- The practice phone number listed in the NPPES registry for Mark Amster Derm is (617) 783-7100.
- Does Mark Amster Derm accept Medicare?
- Mark Amster Derm is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mark Amster Derm?
- The authorized official listed on Mark Amster Derm's NPPES record is Mark Amster, Authorized Group Official. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark Amster Derm's NPI active?
- Yes — Mark Amster Derm's NPI (1265098032) is active in the NPPES registry as of the last update on 2025-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.