Individual provider Active NPI

William Henry Niemeyer III, P.A.-C

  • Physician Assistant
  • Avon, CT
National Provider Identifier
1861435679
Registry record updated Sep 21, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
085-001528 Issued in IL
Practice address
385 W Main St
Avon, CT 06001-4357
Phone
(860) 777-1280
NPI assigned
Jun 13, 2006
Last updated
Sep 21, 2020By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 21, 2020

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X PA01134 RI
Physician Assistant 363A00000X 004173 CT
Physician Assistant 363A00000X 085-001528 IL Primary

Addresses

Primary practice location

385 W Main St
Avon, CT 06001-4357

Mailing address

1832 Ashley Drive
Charleston, IL 61920

Other practice location 1

310 Maple Ave
Barrington, RI 02806-3430
Phone (401) 903-0300

Other practice location 2

1750 E Lake Shore Dr
Decatur, IL 62521-3803
Phone (317) 364-0833

Other identifiers 1

IdentifierTypeStateIssuer
004173OtherCTCT LIC

Electronic endpoints 1

TypeEndpointUseAffiliation
Other URL EClinicalWorks

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IN, MA, RI, CT4 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 4

Enrollment IDStateProvider typePAC IDDetails
I20110304000457 IN Practitioner - Physician Assistant 9537064126 Reassigns benefits to 1 organization
I20160621001234 MA Practitioner - Physician Assistant 9537064126 Reassigns benefits to 1 organization
I20190724000433 RI Practitioner - Physician Assistant 9537064126 Reassigns benefits to 2 organizations
I20201026001075 CT Practitioner - Physician Assistant 9537064126 Reassigns benefits to 3 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
004173CTMDGeneral Practice Dentistry
085-001528ILMDPhysician Assistant
PA01134RIMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
University of Connecticut Health Center CurrentSince Feb 26, 2021 Accepting new patients
Mass General Brigham Urgent Care LLC CurrentSince Feb 27, 2018 Accepting new patients
Mass General Brigham Urgent Care LLC CurrentSince Feb 27, 2018 Accepting new patients
Aakaish Sanjeevi Home Health Physicians Past Accepting new patients
Illiana Emergency Physicians, LLP Physician Assistant Past Accepting new patients
Susan Koslow M.D.,Inc Past Accepting new patients
Kennekuk Emergency Physicians LLC PastSince Oct 1, 2023 Accepting new patients
Richland Memorial Hospital, Inc Past Accepting new patients
Illiana Emergency Physicians LLP Past Accepting new patients

Locations

263 Farmington Ave
Farmington, CT 06030
Phone (860) 679-4477

1285 Beacon St
Brookline, MA 02446
Phone (617) 751-6205

Interoperability endpoints

  • Direct secure messaging: william.niemeyer.1@14940.direct.athenahealth.com
  • Direct secure messaging: wniemeyer44358@direct.med.uchc.edu

Organizations & group practices 15

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.

View all 15

NPI Registry JSON

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

{
    "created_epoch": "1150156800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1600646400000",
    "number": "1861435679",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1832 ASHLEY DRIVE",
            "city": "CHARLESTON",
            "state": "IL",
            "postal_code": "61920"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "385 W MAIN ST",
            "city": "AVON",
            "state": "CT",
            "postal_code": "060014357",
            "telephone_number": "860-777-1280"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "310 Maple Ave",
            "address_purpose": "LOCATION",
            "city": "Barrington",
            "state": "RI",
            "postal_code": "028063430",
            "country_code": "US",
            "telephone_number": "401-903-0300",
            "fax_number": "401-337-5357",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1750 E Lake Shore Dr",
            "address_purpose": "LOCATION",
            "city": "Decatur",
            "state": "IL",
            "postal_code": "625213803",
            "country_code": "US",
            "telephone_number": "317-364-0833",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NIEMEYER",
        "first_name": "WILLIAM",
        "middle_name": "HENRY",
        "name_prefix": "Mr.",
        "name_suffix": "III",
        "credential": "P.A.-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-13",
        "last_updated": "2020-09-21",
        "certification_date": "2020-09-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "RI",
            "license": "PA01134",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CT",
            "license": "004173",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IL",
            "license": "085-001528",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CT LIC",
            "identifier": "004173",
            "state": "CT"
        }
    ],
    "endpoints": [
        {
            "endpointType": "OTHERS",
            "endpointTypeDescription": "Other URL",
            "endpoint": "EClinicalWorks",
            "affiliation": "N",
            "address_1": "310 Maple Ave",
            "city": "Barrington",
            "state": "RI",
            "country_code": "US",
            "postal_code": "028063430",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Avon, CT

Sources for this page

Verify at the official NPI Registry.