Mark Stewart Amster, MD - Medicare Dermatology in Brighton, MA

Mark Stewart Amster, MD is a medicare enrolled "Dermatology" physician in Brighton, Massachusetts. He went to State University Of New York Downstate Medical Center and graduated in 1987 and has 37 years of diverse experience with area of expertise as Dermatology. He is a member of the group practice Newton Watertown Dermatology Assoc. Pc and his current practice location is 280 Washington St, Suite 212, Brighton, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (617) 783-7100.

Mark Stewart Amster is licensed to practice in Massachusetts (license number 70448) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1518947068.

Contact Information

Mark Stewart Amster, MD
280 Washington St, Suite 212,
Brighton, MA 02135-3511
(617) 783-7100
Not Available

Map and Direction




Physician's Profile

Full NameMark Stewart Amster
GenderMale
SpecialityDermatology
Experience37 Years
Location280 Washington St, Brighton, Massachusetts
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mark Stewart Amster attended and graduated from State University Of New York Downstate Medical Center in 1987
  NPI Data:
  • NPI Number: 1518947068
  • Provider Enumeration Date: 01/19/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 6103834262
  • Enrollment ID: I20060330000616

Medical Identifiers

Medical identifiers for Mark Stewart Amster such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1518947068NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207N00000XDermatology 70448 (Massachusetts)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mark Stewart Amster allows following entities to bill medicare on his behalf.
Entity NameNewton Watertown Dermatology Assoc. Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1558477869
PECOS PAC ID: 7517908064
Enrollment ID: O20050516000488
Entity NameAlan Rockoff, M.d, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003959917
PECOS PAC ID: 9931204872
Enrollment ID: O20070420000370

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mark Stewart Amster is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mark Stewart Amster, MD
18 Whispering Ln,
Natick, MA 01760-5883

Ph: (508) 655-2072
Mark Stewart Amster, MD
280 Washington St, Suite 212,
Brighton, MA 02135-3511

Ph: (617) 783-7100

Reviews and Comments


Dermatology Doctors in Brighton, MA

Robert Harris Brown, MD
Dermatology
Medicare: Accepting Medicare Assignments
Practice Location: 280 Washington St, Suite 212, Brighton, MA 02135
Phone: 617-783-7100    Fax: 617-783-7104
Dr. Stephen O. Kovacs, M.D.
Dermatology
Medicare: Accepting Medicare Assignments
Practice Location: 77 Warren St., Suite 302, Brighton, MA 02135
Phone: 617-787-0400    Fax: 617-500-0976
Homayoon Aram, M.D.
Dermatology
Medicare: Not Enrolled in Medicare
Practice Location: 280 Washington St, Suite 304-a, Brighton, MA 02135
Phone: 617-562-0030    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.