Individual provider Active NPI

Aimee L Leonard, M.D.

  • MOHS-Micrographic Surgery Physician
  • Stoneham, MA
National Provider Identifier
1447238647
Registry record updated Aug 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
MOHS-Micrographic Surgery PhysicianTaxonomy code 207ND0101X
License
226620 Issued in MA
Practice address
92 Montvale Ave Ste 3000
Stoneham, MA 02180-3658
Phone
(781) 358-8429
NPI assigned
Jan 6, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 28, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatology Physician 207N00000X 34236 NH
MOHS-Micrographic Surgery Physician 207ND0101X 226620 MA Primary
MOHS-Micrographic Surgery Physician 207ND0101X 34236 NH
Dermatology Physician 207N00000X 226620 MA

Addresses

Primary practice location

92 Montvale Ave Ste 3000
Stoneham, MA 02180-3658

Mailing address

92 Montvale Ave Ste 3000
Stoneham, MA 02180-3658
Phone (781) 358-8429

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
I20060814000274 MA Practitioner - DermatologyPractitioner - Micrographic Dermatologic Surgery (MDS) 4284637232 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
DermatologyAlso: Micrographic Dermatologic Surgery (MDS)
Education
Johns Hopkins University School of Medicine, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mystic Valley Dermatology Associates PCGroup PAC ID 8022083344, 11 clinicians

Practice addresses (Care Compare)

92 Montvale Ave
Suite 3000
Stoneham, MA 02180-3658
Phone (781) 438-6350

Hospital & facility affiliations

  • Winchester Hospital Hospital, Winchester, MA, CCN 220105

Merit-based Incentive Payment System (MIPS)

Final score
90.45 of 100Reported as individual
Quality
100
Promoting interoperability
96
Improvement activities
40
Cost
71.49

Procedures performed for Medicare patients

ProcedureNumber of procedures
Melanoma (skin cancer) excision75
Removal of skin lesions43
Removal of skin cancer479
Skin biopsy1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Mystic Valley Dermatology Associates, P.C. Dermatology CurrentSince Jan 31, 2022 Accepting new patients
Mystic Valley Mass, PC Dermatology Past Accepting new patients
Apderm Mid Shore PC Dermatology Past Accepting new patients

Locations

92 Montvale Ave
Ste 3000
Stoneham, MA 02180
Phone (781) 438-6350

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/14167/brand/11/csg/1/fhir/r4
  • Direct secure messaging: aleonard@apderm.emadirect.md

Organizations & group practices 3

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": "1136505600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787875200000",
    "number": "1447238647",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "92 MONTVALE AVE STE 3000",
            "city": "STONEHAM",
            "state": "MA",
            "postal_code": "021803658",
            "telephone_number": "781-358-8429"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "92 MONTVALE AVE STE 3000",
            "city": "STONEHAM",
            "state": "MA",
            "postal_code": "021803658",
            "telephone_number": "781-358-8429"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEONARD",
        "first_name": "AIMEE",
        "middle_name": "L",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-01-06",
        "last_updated": "2026-08-28",
        "certification_date": "2026-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "NH",
            "license": "34236",
            "primary": false
        },
        {
            "code": "207ND0101X",
            "taxonomy_group": "",
            "desc": "Dermatology, MOHS-Micrographic Surgery",
            "state": "MA",
            "license": "226620",
            "primary": true
        },
        {
            "code": "207ND0101X",
            "taxonomy_group": "",
            "desc": "Dermatology, MOHS-Micrographic Surgery",
            "state": "NH",
            "license": "34236",
            "primary": false
        },
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "MA",
            "license": "226620",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stoneham, MA

Sources for this page

Verify at the official NPI Registry.