Physician Profile
Unclaimed ProfileAbout AMSTER
Mark Stewart Amster, MD is a healthcare provider in Brighton, MA specializing in dermatology. Mark trained at State University of New York Downstate Medical Center, graduating in 1987. According to Medicare claims data, Mark cared for 2,599 Medicare patients across 5,494 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (617) 783-7100
- Email not available
Practice Locations
280 WASHINGTON ST SUITE 212
Brighton, MA 02135
Procedures Most Often Billed to Medicare
5,494 services · 2,599 patients · 19 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
2,648 |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
810 |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
372 |
| Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm | Procedure | 11301 |
108 |
| Biopsy of related skin growth, each additional growth | Procedure | 11103 |
91 |
| Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm | Procedure | 17262 |
63 |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
33 |
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks | Procedure | 17311 |
30 |
| Destruction of precancer skin growth, 15 or more growths | Procedure | 17004 |
28 |
| Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm | Procedure | 17272 |
26 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other dermatology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 23 related providers in 3 groups
Trained at State University of New York Downstate Medical Center 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at State University of New York Downstate Medical Center 7
Providers who graduated from the same medical school in the same year.
Also performs Destruction of precancer skin growth, 2-14 growths 8
Providers in MA who bill this service to Medicare most often.
Common questions
What does Dr. Amster specialize in?
Dr. Amster is a dermatology in Brighton, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “DERMATOLOGY”.
NPI registry
Where is Dr. Amster located?
Dr. Amster is listed at 280 WASHINGTON ST SUITE 212, Brighton, MA 02135. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Amster's phone number?
The number on file is (617) 783-7100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Amster's NPI number?
Dr. Amster's National Provider Identifier is 1518947068. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Amster go to medical school?
Dr. Amster attended State University of New York Downstate Medical Center, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Amster been practicing?
Dr. Amster has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Amster do most often?
According to Medicare billing data, Dr. Amster performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and biopsy of related skin growth, first growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Amster confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Amster. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.