Individual provider Active NPI

William Felts, PA-C

  • Physician Assistant
  • Worcester, MA
National Provider Identifier
1528411311
Registry record updated Jul 18, 2016
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
Practice address
123 Summer St
Worcester, MA 01608-1216
Phone
(781) 280-1695
Fax
(781) 276-6410
NPI assigned
Jul 18, 2016
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 18, 2016

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X Primary

Addresses

Primary practice location

123 Summer St
Worcester, MA 01608-1216

Mailing address

PO Box 414977
Boston, MA 02241-4977
Phone (781) 280-1695

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NJ, NY, TX, PA4 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
I20180514000785 NJ Practitioner - Physician Assistant 0547548398 Reassigns benefits to 6 organizations
I20260310002001 NY Practitioner - Physician Assistant 0547548398 Reassigns benefits to 1 organization
I20260311001829 TX Practitioner - Physician Assistant 0547548398 Reassigns benefits to 1 organization
I20260311003911 PA Practitioner - Physician Assistant 0547548398 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Dimerhealth Medical PracticeGroup PAC ID 5991162257, 29 clinicians
Newton Emergency Medical Associates LLCGroup PAC ID 3678735057, 31 clinicians
Atlantic Advanced Urgent CareGroup PAC ID 4385986330, 44 clinicians
Hackettstown Emergency Medical Associates, LLCGroup PAC ID 4688998990, 22 clinicians

Practice addresses (Care Compare)

Houston, TX 77027
Phone (973) 566-1826

123 Pike St
Suite 3
Port Jervis, NY 12771-1834
Phone (973) 464-8363

175 High St
Newton, NJ 07860-1004
Phone (954) 939-5000

333 US Hwy 46
Suite 106
Mountain Lakes, NJ 07046-1741
Phone (973) 939-6220

4 Hampshire Dr
Mendham, NJ 07945-2004
Phone (973) 464-8363

5235 N Front St
Harrisburg, PA 17110-1717
Phone (973) 566-1826

651 Willow Grove St
Hackettstown, NJ 07840-1799
Phone (954) 939-5000

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Dimer Health Services Inc Physician Assistant CurrentSince Jun 28, 2025 Accepting new patients
William R. Collini, M.D., P.a. Past Accepting new patients

Interoperability endpoints

  • Direct secure messaging: wfelts133754@direct.ahsys.org
  • Direct secure messaging: william.felts.1@28989.direct.athenahealth.com

Organizations & group practices 8

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.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1468800000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1468800000000",
    "number": "1528411311",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 414977",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022414977",
            "telephone_number": "781-280-1695",
            "fax_number": "781-276-6410"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "123 SUMMER ST",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016081216",
            "telephone_number": "781-280-1695",
            "fax_number": "781-276-6410"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FELTS",
        "first_name": "WILLIAM",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-07-18",
        "last_updated": "2016-07-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Worcester, MA

Sources for this page

Verify at the official NPI Registry.