Margaret Grinshtein, M.S, M.A

Primary specialty

Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X

Practice address

1120 Hancock St
Quincy, MA 02169-4313

Phone

(617) 471-8400

NPI assigned

Mar 1, 2025

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Master of Arts, Master of Science

Practice roles

Locations

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.

• Bay State Community Services, Inc.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Quincy, MA
  • NPI 1134126865
  NPD

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

{
    "created_epoch": "1740787200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740787200000",
    "number": "1508663139",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "45 STUART ST APT 1812",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021164762",
            "telephone_number": "917-340-0050"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1120 HANCOCK ST",
            "city": "QUINCY",
            "state": "MA",
            "postal_code": "021694313",
            "telephone_number": "617-471-8400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRINSHTEIN",
        "first_name": "MARGARET",
        "name_prefix": "Ms.",
        "credential": "M.S, M.A",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-03-01",
        "last_updated": "2025-03-01",
        "certification_date": "2025-03-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lillianna Griggs, PMHNP
• Alex Grilli, M.D.
• John Loren Grillo, LICSW
• Jason Grimard
• Jody Grimm
• Deborah Ann Gromack, LMHC
• Kathleen Jeannine Groom-Nguyen, MSW
• Beth A Grossman
• Michael H Gu, D.D.S.
• Emmy Guan

• Student in an Organized Health Care Education/Training Program in Quincy, MA
• Providers in Quincy, MA by specialty
• Student in an Organized Health Care Education/Training Program in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 1, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.