Individual provider Active NPI

Lindsay McCormack, MD

  • Dermatology Physician
  • Wellesley, MA
National Provider Identifier
1831765148
Registry record updated Aug 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
License
1023677 Issued in MA
Practice address
20 William St Ste G15
Wellesley, MA 02481-4102
Phone
(781) 591-4234
Fax
(781) 369-9737
NPI assigned
May 28, 2021
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 3, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatology Physician 207N00000X 1023677 MA Primary

Addresses

Primary practice location

20 William St Ste G15
Wellesley, MA 02481-4102

Mailing address

20 William St Ste G15
Wellesley, MA 02481-4102
Phone (781) 591-4234

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250829003418 MA Practitioner - Dermatology 6608242938 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Dermatology
Education
University of Massachusetts Medical School, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Umass Memorial Medical Group IncGroup PAC ID 4284539891, 2,494 clinicians

Practice addresses (Care Compare)

281 Lincoln St
Worcester, MA 01605-2138
Phone (508) 334-1000

Hospital & facility affiliations

  • Umass Memorial Medical Center/University Campus Hospital, Worcester, MA, CCN 220163

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1-10
Skin biopsy1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
1023677MAMDDermatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Gray Derm PLLC Dermatology Current Accepting new patients
Umass Memorial Medical Group, Inc. CurrentSince Sep 7, 2025 Accepting new patients
Umass Memorial Medical Group Inc CurrentSince Sep 7, 2025 Accepting new patients
Dermwellesley LLC Dermatology PastSince Oct 1, 2018 Accepting new patients

Locations

115 Lincoln St
Framingham, MA 01702
Phone (508) 383-1000

281 Lincoln St
Worcester, MA 01605
Phone (508) 334-8015

55 Lake Ave N
Worcester, MA 01655
Phone 508334100048862

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1622160000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785715200000",
    "number": "1831765148",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20 WILLIAM ST STE G15",
            "city": "WELLESLEY",
            "state": "MA",
            "postal_code": "024814102",
            "telephone_number": "781-591-4234",
            "fax_number": "781-369-9737"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 WILLIAM ST STE G15",
            "city": "WELLESLEY",
            "state": "MA",
            "postal_code": "024814102",
            "telephone_number": "781-591-4234",
            "fax_number": "781-369-9737"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCCORMACK",
        "first_name": "LINDSAY",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-05-28",
        "last_updated": "2026-08-03",
        "certification_date": "2026-08-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "MA",
            "license": "1023677",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Wellesley, MA

Sources for this page

Verify at the official NPI Registry.