Individual provider Active NPI

Sara Acker Leo, PSY.D

  • Psychologist
  • Concord, MA
National Provider Identifier
1831213313
Registry record updated Jan 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
9040 Issued in MA
Practice address
45 Walden St
Concord, MA 01742-2533
Phone
(617) 444-9198
NPI assigned
Mar 19, 2007
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 2, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Cognitive & Behavioral Psychologist 103TB0200X
Psychologist 103T00000X 9040 MA Primary
Health Psychologist 103TH0004X
Clinical Psychologist 103TC0700X 9040 MA

Addresses

Primary practice location

45 Walden St
Concord, MA 01742-2533

Mailing address

45 Walden St
Concord, MA 01742-2533
Phone (617) 444-9198

Other names 1

  • Dr. Sara Mays Acker Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
Opted out of Medicare
Yes, effective Jul 27, 2023 through Jul 27, 2027

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
9040MAMDPhysical Therapy Assistant

NPI Registry JSON

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

{
    "created_epoch": "1174262400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767312000000",
    "number": "1831213313",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "45 WALDEN ST",
            "city": "CONCORD",
            "state": "MA",
            "postal_code": "017422533",
            "telephone_number": "617-444-9198"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "45 WALDEN ST",
            "city": "CONCORD",
            "state": "MA",
            "postal_code": "017422533",
            "telephone_number": "617-444-9198"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEO",
        "first_name": "SARA",
        "middle_name": "ACKER",
        "name_prefix": "Dr.",
        "credential": "PSY.D",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-03-19",
        "last_updated": "2026-01-02",
        "certification_date": "2026-01-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TB0200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Cognitive & Behavioral",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "MA",
            "license": "9040",
            "primary": true
        },
        {
            "code": "103TH0004X",
            "taxonomy_group": "",
            "desc": "Psychologist, Health",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "MA",
            "license": "9040",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SARA",
            "last_name": "ACKER",
            "middle_name": "MAYS",
            "prefix": "DR.",
            "credential": "PSY.D",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Concord, MA

Sources for this page

Verify at the official NPI Registry.