NPPES file of Aug 9, 2026

William Zella, PHD

Health Service Psychologist · Weymouth, MA

William Zella, PHD is a health service psychologist with a practice address in Weymouth, Massachusetts, and NPI 1750461109, issued on Oct 17, 2006. Check the license (Massachusetts 6702, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750461109
Name
William Zella
Credential
PHD
Primary taxonomy
Health Service Psychologist 103TH0100X
License number
6702 MA
Self-reported in NPPES; status is on the state search
Practice location
169 Libbey Industrial Pkwy, Weymouth, MA 02189
Phone
(781) 682-1060
Enumerated
Oct 17, 2006
Record last updated
Sep 11, 2025
Fax
(781) 682-1061
Medicare enrollment
Enrolled (PECOS I20051011000597); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 169 Libbey Industrial Pkwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Frances Araujo, APRN, BCPsychiatric/Mental Health Clinical Nurse Specialist1871673459
  2. John-Paul Arena, LICSWClinical Social Worker1487983169
  3. David Barbosa, PSYDClinical Psychologist1245884907
  4. Caroline ByronPsychologist1154845329
  5. Vanessa Casavant, MAClinical Psychologist1164588984
  6. Maribeth Coughlin, LICSWClinical Social Worker1619057874

Verify William Zella in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 6702
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Pinnacle Health Management LLPHanover, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Zella among 89 health service psychologist records in Massachusetts

William Zella, PHD is one of 89 health service psychologist records with a practice address in Massachusetts. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 75% newer
  • In a Medicare fileYes · 7% of these records are
  • In the CMS Doctors and Clinicians fileYes · 18% of these records are
  • Graduated1979 · median 1990 among the 16 with a school on file
  • Record last updated2025 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TH0100X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Health Service Psychologist providers in Massachusetts

There are 89 health service psychologist records in Massachusetts.

The 8 health service psychologist records with the nearest ZIP codes

  1. Penelope Goldmuntz, PSYDWeymouth, MA 021891710069109
  2. H Moon, PHDWeymouth, MA 021891104906114
  3. Natalia Macrynikola, PHDBoston, MA 022151497595755
  4. Laura RogersMedford, MA 021551144713090
  5. Benjamin Wood, PH.D.Somerville, MA 021441669859120
  6. Grace Kim, PH.D.Somerville, MA 021431003023748
  7. Ruben Hopwood, PHD, LPCambridge, MA 021411972859148
  8. Aaronson Chew, PHDCambridge, MA 021391659768513

Common questions

What is William Zella, PHD's NPI number?

William Zella, PHD's National Provider Identifier (NPI) is 1750461109, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Zella, PHD located?

The NPPES record lists a practice address at 169 Libbey Industrial Pkwy, Weymouth, MA, 02189. Phone: (781) 682-1060. Providers update this record themselves, so call before visiting.

How can I verify William Zella, PHD's license?

NPPES lists Massachusetts license number 6702, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.