Doctor profile · Federal record

Dr. Mark Amster, MD

Dermatology Physician (CMS: Dermatology) · Brighton, MA

  • NPI 1518947068
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
280 Washington St, Suite 212
Brighton, MA 021353511
(617) 783-7100
Mailing address
18 Whispering Ln
Natick, MA 017605883

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207N00000X — NUCC code
State license (1)
Massachusetts #70448

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518947068. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
7,059
Distinct HCPCS
10
Medicare allowed
$372,908
HCPCS Description Services Patients Avg allowed
17003 Destruction of precancer skin growth, 2-14 growths 3,212 536 $7
99213 Established patient office or other outpatient visit, 20-29 minutes 1,282 984 $95
17000 Destruction of precancer skin growth, 1 growth 952 684 $58
11102 Biopsy of related skin growth, first growth 613 511 $104
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm 199 144 $119
11103 Biopsy of related skin growth, each additional growth 190 141 $55
99203 New patient office or other outpatient visit, 30-44 minutes 131 131 $117
99212 Established patient office or other outpatient visit, 10-19 minutes 120 112 $60
17262 Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm 96 84 $189
17004 Destruction of precancer skin growth, 15 or more growths 65 56 $184

In context: peer comparison

Among 2 peers in this city , average services per provider: 300. This provider delivers 24× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$10,227
Transactions
112
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Galderma Laboratories, L.P. 15 $8,173.65
UCB, Inc. 19 $348.01
E.R. Squibb & Sons, L.L.C. 20 $305.13
ABBVIE INC. 19 $281.94
Janssen Biotech, Inc. 7 $271.85
GENZYME CORPORATION 6 $171.97
Incyte Corporation 8 $135.90
PFIZER INC. 4 $86.92
LEO Pharma Inc. 2 $66.00
Lilly USA, LLC 3 $59.27
SUN PHARMACEUTICAL INDUSTRIES INC. 2 $55.87
Janssen Research & Development, LLC 1 $52.40
Regeneron Healthcare Solutions, Inc. 2 $45.65
Organon Llc 3 $40.65
Amgen Inc. 1 $31.10

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$6,000
Food and Beverage
$2,475
Travel and Lodging
$1,492
Honoraria
$260

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
949
Patients
597
Total drug cost
$206,730
Drug Type Claims Patients Total cost
Betamethasone Diprop Augmented (Betamethasone/Propylene Glyc) Brand 164 110 $6,290
Betamethasone Dipropionate Generic 136 98 $6,865
Clobetasol Propionate Generic 101 66 $7,458
Mupirocin Generic 80 55 $717
Ketoconazole Generic 72 41 $2,052
Fluorouracil Generic 64 54 $4,982
Metronidazole Generic 44 31 $3,467
Dupixent Pen (Dupilumab) Brand 43 0 $162,859
Triamcinolone Acetonide Generic 43 21 $452
Doxycycline Hyclate Generic 39 21 $840

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Amster's medical specialty?
Dr. Mark Amster practices Dermatology Physician in Brighton, MA.
Where does Dr. Mark Amster practice?
Dr. Mark Amster practices at 280 Washington St, Brighton, MA 021353511. Office phone: 6177837100.
What is Dr. Mark Amster's NPI?
Dr. Mark Amster's National Provider Identifier (NPI) is 1518947068, issued by NPPES.
Does Dr. Mark Amster accept Medicare assignment?
Yes. Dr. Mark Amster accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Amster commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.