Individual provider Active NPI

Sidney Manfred Maycock Jr., DC

  • Chiropractor
  • Williamstown, NJ
National Provider Identifier
1386629236
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
ChiropractorTaxonomy code 111N00000X
License
38MC00268100 Issued in NJ
Practice address
103 Washington Ave
Williamstown, NJ 08094-1817
Phone
(856) 262-7234
Fax
(856) 629-9226
NPI assigned
Dec 14, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Chiropractor 111N00000X 38MC00268100 NJ Primary

Addresses

Primary practice location

103 Washington Ave
Williamstown, NJ 08094-1817

Mailing address

103 Washington Ave
Williamstown, NJ 08094-1817
Phone (856) 262-7234

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NJ

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20060123000120 NJ Practitioner - Chiropractic 7810911500 Reassigns benefits to 1 organization
Practice locations: Williamstown, NJ

Care Compare profile

Medicare Care Compare
Specialty
Chiropractic
Education
Cleveland Chiropractic College - Kansas City, 1983
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Maycock Chiropractic Associates LLCGroup PAC ID 8325381650, 4 clinicians

Practice addresses (Care Compare)

117 Washington Ave
Suite C
Williamstown, NJ 08094-1817
Phone (856) 262-7234

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Maycock Chiropractic Associates, LLC Chiropractor CurrentSince Jan 7, 2019 Accepting new patients

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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1134518400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1386629236",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "103 WASHINGTON AVE",
            "city": "WILLIAMSTOWN",
            "state": "NJ",
            "postal_code": "080941817",
            "telephone_number": "856-262-7234",
            "fax_number": "856-629-9226"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "103 WASHINGTON AVE",
            "city": "WILLIAMSTOWN",
            "state": "NJ",
            "postal_code": "080941817",
            "telephone_number": "856-262-7234",
            "fax_number": "856-629-9226"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAYCOCK",
        "first_name": "SIDNEY",
        "middle_name": "MANFRED",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "DC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-14",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "NJ",
            "license": "38MC00268100",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Williamstown, NJ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.