William Zella, PHD

Primary specialty

Health Service PsychologistTaxonomy code 103TH0100X

License

6702 Issued in MA

Practice address

169 Libbey Industrial Pkwy
2ND Floor
Weymouth, MA 02189-3101

Phone

(781) 682-1060

Fax

(781) 682-1061

NPI assigned

Oct 17, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in MA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 1979

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

Practice roles

Locations

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.

• Pinnacle Health Management, LLP

  • Geriatric Psychiatry Physician
  • Hanover, MA
  • NPI 1952319733
  Medicare reassignment NPD
• Golden Insight Inc

  • Psychiatric/Mental Health Nurse Practitioner
  • Hanover, MA
  • NPI 1235711839
  NPD
• Neurobehavioral Associates III, Inc

  • Geriatric Psychiatry Physician
  • Weymouth, MA
  • NPI 1205926946

  Clinical

  NPD (past)

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

{
    "created_epoch": "1161043200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1750461109",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "169 LIBBEY INDUSTRIAL PKWY",
            "address_2": "2ND FLOOR",
            "city": "WEYMOUTH",
            "state": "MA",
            "postal_code": "021893101",
            "telephone_number": "781-682-1060",
            "fax_number": "781-682-1061"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "169 LIBBEY INDUSTRIAL PKWY",
            "address_2": "2ND FLOOR",
            "city": "WEYMOUTH",
            "state": "MA",
            "postal_code": "021893101",
            "telephone_number": "781-682-1060",
            "fax_number": "781-682-1061"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZELLA",
        "first_name": "WILLIAM",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-17",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "MA",
            "license": "6702",
            "primary": false
        },
        {
            "code": "103TH0100X",
            "taxonomy_group": "",
            "desc": "Psychologist, Health Service",
            "state": "MA",
            "license": "6702",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS PROVIDER NUMBER",
            "identifier": "W06249",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "EVERCARE PROVIDER NUMBER",
            "identifier": "6100775",
            "state": "MH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Henry Yongho
• Amanda Young
• Zachary Jost II, PC
• Amanda Zambuto, NP
• Amanda Zaniewski
• Christine Elizabeth Zent, MSW
• Manman Zhang
• Patricia Lynn Zio
• Louis Ignatious Zwirble, D.C
• ZWM, Inc.

• Health Service Psychologist in Weymouth, MA
• Providers in Weymouth, MA by specialty
• Health Service Psychologist in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.