Matthew Sidler

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

Practice address

75 Midland Ave Ste 3
Montclair, NJ 07042-2915

Phone

(973) 532-2132

NPI assigned

Jul 29, 2021

Sex

Male

Sole proprietor

Yes

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

Opted out of Medicare

Yes, effective Apr 30, 2026 through Apr 30, 2028

Medicare enrollment (NPD)

Not enrolled

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: matthewsidler@tdh.allscriptsdirect.net

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.

• Joyful Discovery Counseling, LLC

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Montclair, NJ
  • NPI 1376217646
  NPD Authorized official
• Teladoc Health Medical Group, P.a.

  • Family Medicine Physician
  • Lewisville, TX
  • NPI 1245403567

  Clinical

  NPD

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

{
    "created_epoch": "1627516800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771977600000",
    "number": "1093488520",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "301 CLAREMONT AVE APT 3",
            "city": "MONTCLAIR",
            "state": "NJ",
            "postal_code": "070422832"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 MIDLAND AVE STE 3",
            "city": "MONTCLAIR",
            "state": "NJ",
            "postal_code": "070422915",
            "telephone_number": "973-532-2132"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIDLER",
        "first_name": "MATTHEW",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-07-29",
        "last_updated": "2026-02-25",
        "certification_date": "2026-02-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Boni Shevelove, LSW
• Marianna B. Shimelfarb, M.D.
• Samantha Shultz
• Carly Sia
• Mahjabeen Yeasmin Siddiqi
• Glenn Siegel, LPC
• Signature Health Care of Montclair LLC
• Bernadette Silva, LRC
• Silver Lining Counseling Practice LLC
• Gretchen M Silver, D.C.

• Clinical Social Worker in Montclair, NJ
• Providers in Montclair, NJ by specialty
• Clinical Social Worker in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.