Individual provider Active NPI

Rachel Ellen Willner, LPCC

  • Mental Health Counselor
  • Newtown Square, PA
National Provider Identifier
1003503624
Registry record updated Apr 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
License
11352 Issued in CA
Practice address
805 Montparnasse PL
Newtown Square, PA 19073-2624
Phone
(610) 574-5272
NPI assigned
Apr 24, 2023
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 14, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Professional Counselor 101YP2500X
Mental Health Counselor 101YM0800X 11352 CA Primary

Addresses

Primary practice location

805 Montparnasse PL
Newtown Square, PA 19073-2624

Mailing address

805 Montparnasse PL
Newtown Square, PA 19073-2624
Phone (610) 574-5272

Other practice location 1

725 Welch Rd
Palo Alto, CA 94304-1601
Phone (800) 516-0975

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
11352CAMDMental Health Counselor

NPI Registry JSON

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

{
    "created_epoch": "1682294400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776124800000",
    "number": "1003503624",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "805 MONTPARNASSE PL",
            "city": "NEWTOWN SQUARE",
            "state": "PA",
            "postal_code": "190732624",
            "telephone_number": "610-574-5272"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "805 MONTPARNASSE PL",
            "city": "NEWTOWN SQUARE",
            "state": "PA",
            "postal_code": "190732624",
            "telephone_number": "610-574-5272"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "725 Welch Rd",
            "address_purpose": "LOCATION",
            "city": "Palo Alto",
            "state": "CA",
            "postal_code": "943041601",
            "country_code": "US",
            "telephone_number": "800-516-0975",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WILLNER",
        "first_name": "RACHEL",
        "middle_name": "ELLEN",
        "credential": "LPCC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2023-04-24",
        "last_updated": "2026-04-14",
        "certification_date": "2026-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "CA",
            "license": "11352",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Newtown Square, PA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 14, 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.