Mark Amster, MD
NPI 1518947068 · Dermatology Physician · Brighton, MA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Amster, MD is a Dermatology Physician provider in Brighton, MA (NPI 1518947068).
Provider details
- NPI number
- 1518947068
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 70448 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,479 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 2,648 | $7 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,100 | $95 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 810 | $59 |
| Biopsy of Related Skin Growth, First Growth11102 | 372 | $102 |
| Shaving of Skin Growth of Body, Arms, Or Legs, 0.6-1.0 Cm11301 | 108 | $123 |
| Biopsy of Related Skin Growth, Each Additional Growth11103 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Betamethasone/Propylene Glycbrand: Betamethasone Diprop Augmented | 122 | 81 |
| Betamethasone Dipropionate | 93 | 64 |
| Clobetasol Propionate | 86 | 58 |
| Ketoconazole | 64 | 27 |
| Dupilumabbrand: Dupixent Pen | 62 | — |
| Metronidazole | 53 | 31 |
| Mupirocin | 45 | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$10,227 across 116 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Amster's NPI number?
- Mark Amster's National Provider Identifier (NPI) is 1518947068, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Amster's specialty?
- Mark Amster is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Amster located?
- Mark Amster's practice location on file with NPPES is 280 Washington St, Brighton, MA 02135-3511.
- What is Mark Amster's phone number?
- The practice phone number listed in the NPPES registry for Mark Amster is (617) 783-7100.
- Does Mark Amster accept Medicare?
- Mark Amster is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Amster's NPI active?
- Yes — Mark Amster's NPI (1518947068) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.