Individual provider Active NPI

Alexandra Vonpeterffy, JD

  • Mental Health Counselor
  • Waltham, MA
National Provider Identifier
1174140347
Registry record updated Sep 10, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
Practice address
431 River St
Waltham, MA 02453-5476
Phone
(781) 966-5649
NPI assigned
Jul 2, 2020
Last updated
Sep 10, 2021By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 10, 2021

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X Primary

Addresses

Primary practice location

431 River St
Waltham, MA 02453-5476

Mailing address

431 River St
Waltham, MA 02453-5476
Phone (781) 966-5649

Other practice location 1

3 Farmstead Ln
Sudbury, MA 01776-1435
Phone (617) 365-3358

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: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250314003391 MA Practitioner - Mental Health Counselor 0749702116 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Mental Health Counselor
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Advocates, Inc.Group PAC ID 9830404045, 111 clinicians

Practice addresses (Care Compare)

340 Maple St
Suite 400
Marlborough, MA 01752-3200
Phone (508) 485-9300

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Juris Doctor

Practice roles

OrganizationSpecialtyStatusNew patients
Advocates, Inc CurrentSince Mar 10, 2025 Accepting new patients
Coolidge Counseling, PLLC CurrentSince Mar 24, 2025 Accepting new patients
Advocates, Inc. CurrentSince Mar 10, 2025 Accepting new patients

Locations

1094 Worcester Rd
Framingham, MA 01702
Phone (508) 665-4344

1881 Worcester Rd
Framingham, MA 01701

340 Maple St
Ste 400
Marlborough, MA 01752
Phone (508) 485-9300

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1593648000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1631232000000",
    "number": "1174140347",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "431 RIVER ST",
            "city": "WALTHAM",
            "state": "MA",
            "postal_code": "024535476",
            "telephone_number": "781-966-5649"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "431 RIVER ST",
            "city": "WALTHAM",
            "state": "MA",
            "postal_code": "024535476",
            "telephone_number": "781-966-5649"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3 Farmstead Ln",
            "address_purpose": "LOCATION",
            "city": "Sudbury",
            "state": "MA",
            "postal_code": "017761435",
            "country_code": "US",
            "telephone_number": "617-365-3358",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VONPETERFFY",
        "first_name": "ALEXANDRA",
        "credential": "JD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-07-02",
        "last_updated": "2021-09-10",
        "certification_date": "2021-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Waltham, MA

Sources for this page

Verify at the official NPI Registry.