Individual provider Active NPI

Graham Peck, LMHC, MTBC

  • Mental Health Counselor
  • Westborough, MA
National Provider Identifier
1629770029
Registry record updated Jan 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
License
LMHC10005375 Issued in MA
Practice address
18 Lyman St Ste 250
Westborough, MA 01581-1472
Phone
(508) 366-4000
NPI assigned
Mar 20, 2023
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 23, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Music Therapist 225A00000X 16657
Mental Health Counselor 101YM0800X LMHC10005375 MA Primary

Addresses

Primary practice location

18 Lyman St Ste 250
Westborough, MA 01581-1472

Mailing address

190 Elsinore St
Concord, MA 01742-2314
Phone (978) 505-2951

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
LMHC10005375MAMDMental Health Counselor

Practice roles

OrganizationSpecialtyStatusNew patients
Pastoral Counseling Centers of Massachusetts, Inc CurrentSince Nov 9, 2025 Accepting new patients

Locations

18 Lyman St
Ste 250
Westborough, MA 01581
Phone (508) 366-4000

Organizations & group practices 1

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": "1679270400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769126400000",
    "number": "1629770029",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "190 ELSINORE ST",
            "city": "CONCORD",
            "state": "MA",
            "postal_code": "017422314",
            "telephone_number": "978-505-2951"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18 LYMAN ST STE 250",
            "city": "WESTBOROUGH",
            "state": "MA",
            "postal_code": "015811472",
            "telephone_number": "508-366-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PECK",
        "first_name": "GRAHAM",
        "credential": "LMHC, MTBC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-03-20",
        "last_updated": "2026-01-23",
        "certification_date": "2026-01-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225A00000X",
            "taxonomy_group": "",
            "desc": "Music Therapist",
            "state": null,
            "license": "16657",
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "MA",
            "license": "LMHC10005375",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Westborough, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 23, 2026; 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.