NPPES file of Aug 9, 2026

William J. Sweet, RNP

Nurse Practitioner · Franklin, MA

William J. Sweet, RNP is a nurse practitioner with a practice address in Franklin, Massachusetts, and NPI 1205855624, issued on Jul 18, 2006. Check the license (Massachusetts RN228620, 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
1205855624
Name
William J. Sweet
Credential
RNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
RN228620 MA
228620 MA
Self-reported in NPPES; status is on the state search
Practice location
1280 W Central St Ste 201, Franklin, MA 02038
Phone
(508) 541-8000
Enumerated
Jul 18, 2006
Record last updated
Aug 27, 2025
Medicaid ID
0345181 MA
Medicare enrollment
Enrolled (PECOS I20060104000906); 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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8 nearest nurse practitioner records → All 3,480 in Massachusetts → Look up another NPI →

Also registered at 1280 W Central St Ste 201

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

  1. Linda Degeus, MDPediatrics Physician1124085212
  2. Shazia Latif, M.D.Pediatrics Physician1518983071
  3. Theresa Russo, NPPediatric Nurse Practitioner1023560653

Verify William J. Sweet 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 RN228620    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 2 group practices

  1. Milford Regional Physician Group, Inc.Franklin, MA
  2. Umass Memorial Medical Group IncFranklin, MA

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

William J. Sweet among 3,480 nurse practitioner records in Massachusetts

William J. Sweet, RNP is one of 3,480 nurse practitioner records with a practice address in Massachusetts. 71% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 78% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated1998 · median 2017 among the 1,963 with a school on file
  • Record last updated2025 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 nurse practitioner records list a practice address in Franklin

They are 12 of the 485 NPPES records with a practice address in Franklin, and 3,480 nurse practitioner records in Massachusetts.

All 3,480 in Massachusetts → Every provider in Franklin → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Lisa Abbondanza, CNPFranklin, MA 020381770892630
  2. Regina Cottam Aurelio, ANP-BCFranklin, MA 020381487892097
  3. Maria Danna, NPFranklin, MA 020381013502699
  4. Karen Dicanzio, N.P.Franklin, MA 020381518075225
  5. Shannon Ellis, NPFranklin, MA 020381821750779
  6. Julia Feldman, NP-CFranklin, MA 020381164076899
  7. Amy Franklin, NP-CFranklin, MA 020381447846670
  8. Kelly Mastroianni, RNFranklin, MA 020381437883204

Common questions

What is William J. Sweet, RNP's NPI number?

William J. Sweet, RNP's National Provider Identifier (NPI) is 1205855624, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William J. Sweet, RNP located?

The NPPES record lists a practice address at 1280 W Central St Ste 201, Franklin, MA, 02038. Phone: (508) 541-8000. Providers update this record themselves, so call before visiting.

How can I verify William J. Sweet, RNP's license?

NPPES lists Massachusetts license number RN228620, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.