Mark Amster Derm

Primary specialty

Dermatology PhysicianTaxonomy code 207N00000X

Legal business name

MARK AMSTER DERM

Practice address

800 Falmouth Rd Ste 101B
Mashpee, MA 02649-3352

Phone

(617) 783-7100

NPI assigned

May 16, 2019

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Mark S Amster, MDNPI 1518947068

Title

Authorized Group Official

Phone

(617) 783-7100

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MA

Enrollment records 1

Locations

Practitioners 4

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Mark Stewart Amster, MD

  • Dermatology Physician
  • Brighton, MA
  • NPI 1518947068
  Medicare reassignment Care Compare group NPD Authorized official
• Maddison Feeley, PA-C

  • Physician Assistant
  • Boston, MA
  • NPI 1376350538
  Medicare reassignment Care Compare group NPD
• Robert Harris Brown, MD

  • Dermatology Physician
  • Brighton, MA
  • NPI 1104995133
  Medicare reassignment NPD
• Jacqueline Flaherty, PA-C

  • Physician Assistant
  • Brighton, MA
  • NPI 1316622640
  Medicare reassignment NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1557964800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1764806400000",
    "number": "1265098032",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 590129",
            "city": "NEWTON CENTER",
            "state": "MA",
            "postal_code": "024590002",
            "telephone_number": "617-783-7100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 FALMOUTH RD STE 101B",
            "city": "MASHPEE",
            "state": "MA",
            "postal_code": "026493352",
            "telephone_number": "617-783-7100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "800 Falmouth Rd Ste 101B",
            "address_purpose": "LOCATION",
            "city": "Mashpee",
            "state": "MA",
            "postal_code": "026493348",
            "country_code": "US",
            "telephone_number": "617-762-7100",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "280 Washington St Ste 212",
            "address_purpose": "LOCATION",
            "city": "Brighton",
            "state": "MA",
            "postal_code": "021353511",
            "country_code": "US",
            "telephone_number": "617-783-7100",
            "fax_number": "617-783-7104",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "MARK AMSTER DERM",
        "organizational_subpart": "NO",
        "enumeration_date": "2019-05-16",
        "last_updated": "2025-12-04",
        "certification_date": "2025-12-04",
        "status": "A",
        "authorized_official_last_name": "AMSTER",
        "authorized_official_first_name": "MARK",
        "authorized_official_middle_name": "S",
        "authorized_official_title_or_position": "AUTHORIZED GROUP OFFICIAL",
        "authorized_official_telephone_number": "617-783-7100",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Dermatology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Beth A Manhardt, LICSW
• Jessie M Maniscalco, PT
• Lewis Mantel, M.D.
• Madeline Marasa
• Mary Katherine Marcellus, CNP
• Mark S. Amster MD
• Mark V Garrity DMD LLC
• Alycia Marie Markowski, DPT
• Mary Dubeau Marsters, RDCS
• Ann Marie Martin, RN

• Dermatology Physician in Mashpee, MA
• Providers in Mashpee, MA by specialty
• Dermatology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 4, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.