Individual provider Active NPI

Mark Peyton Blanchard, PHD

  • Clinical Psychologist
  • Cambridge, MA
National Provider Identifier
1265044556
Registry record updated Dec 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical PsychologistTaxonomy code 103TC0700X
License
PSY10000947 Issued in MA
Practice address
1218 Massachusetts Ave Ste 3
Cambridge, MA 02138-3835
Phone
(617) 299-9913
NPI assigned
Aug 19, 2020
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 3, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Psychologist 103TC0700X PSY10000947 MA Primary

Addresses

Primary practice location

1218 Massachusetts Ave Ste 3
Cambridge, MA 02138-3835

Mailing address

1218 Massachusetts Ave Ste 3
Cambridge, MA 02138-3835
Phone (617) 299-9913

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
Eligible to order & refer
  • Part B services: No
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
The Commonwealth of Massachusetts CurrentSince Sep 4, 2024 Accepting new patients
The Commonwealth of Massachusetts Current Accepting new patients
The Commonwealth of Massachusetts CurrentSince Sep 4, 2024 Accepting new patients

Locations

75 Fenwood Rd
Boston, MA 02115
Phone (617) 626-9300

85 Newton St
Boston, MA 02118
Phone (617) 305-9960

76 Amory St
Roxbury, MA 02119
Phone (617) 626-9300

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": "1597795200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764720000000",
    "number": "1265044556",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1218 MASSACHUSETTS AVE STE 3",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021383835",
            "telephone_number": "617-299-9913"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1218 MASSACHUSETTS AVE STE 3",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021383835",
            "telephone_number": "617-299-9913"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BLANCHARD",
        "first_name": "MARK",
        "middle_name": "PEYTON",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-08-19",
        "last_updated": "2025-12-03",
        "certification_date": "2025-12-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "MA",
            "license": "PSY10000947",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Cambridge, MA

Sources for this page

Verify at the official NPI Registry.