Individual provider Active NPI

Margot L Martschink

  • Pediatric Nurse Practitioner
  • Boston, MA
National Provider Identifier
1982245197
Registry record updated Apr 3, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Nurse PractitionerTaxonomy code 363LP0200X
License
RN2363507 Issued in MA
Practice address
300 Longwood Ave
Boston, MA 02115-5724
Phone
(617) 355-6000
NPI assigned
Sep 30, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 3, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Nurse Practitioner 363LP0200X RN2363507 MA Primary
Nurse Practitioner 363L00000X 23274 SC

Addresses

Primary practice location

300 Longwood Ave
Boston, MA 02115-5724

Mailing address

1282 Boylston St Unit 414
Boston, MA 02215-4454
Phone (843) 224-1921

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250715002293 MA Practitioner - Nurse Practitioner 9537674957 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
RN2363507MAMDPediatric Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
CHMC Surgical Foundation Inc CurrentSince May 11, 2025 Accepting new patients
Sweetgrass Pediatrics PastSince Oct 1, 2019 Accepting new patients
Childrens Hospital Boston Past Accepting new patients

Locations

300 Longwood Ave
Boston, MA 02115
Phone (617) 355-4956

Interoperability endpoints

  • Direct secure messaging: mlally@sp.gwaydirect.com
  • Direct secure messaging: mmartschink29078@direct.bostonchildrens.org

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.

NPI Registry JSON

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

{
    "created_epoch": "1569801600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1712102400000",
    "number": "1982245197",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1282 BOYLSTON ST UNIT 414",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022154454",
            "telephone_number": "843-224-1921"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 LONGWOOD AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021155724",
            "telephone_number": "617-355-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARTSCHINK",
        "first_name": "MARGOT",
        "middle_name": "L",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-09-30",
        "last_updated": "2024-04-03",
        "certification_date": "2024-04-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "MA",
            "license": "RN2363507",
            "primary": true
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "SC",
            "license": "23274",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.