William Joseph Sullivan, DNP, FNP
Family Nurse Practitioner · Leeds, MA
William Joseph Sullivan, DNP, FNP is a family nurse practitioner with a practice address in Leeds, Massachusetts, and NPI 1184991150, issued on Nov 19, 2011. Check the license (Massachusetts 215708, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Joseph Sullivan
- Credential
- DNP, FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 215708 MA
Self-reported in NPPES; status is on the state search - Practice location
- 421 N Main St, Leeds, MA 01053
- Phone
- (413) 627-2625
- Enumerated
- Nov 19, 2011
- Record last updated
- Nov 19, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 421 N Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Joseph Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 215708Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family nurse practitioner in 2024
18 Medicare Part D claims, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
William Joseph Sullivan among 4,724 family nurse practitioner records in Massachusetts
William Joseph Sullivan, DNP, FNP is one of 4,724 family 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 2011, is newer than 20% of them.
- NPI issued2011 · 20% of these records are older, 77% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2011 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 family nurse practitioner records list a practice address in Leeds
They are 17 of the 376 NPPES records with a practice address in Leeds, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Leeds → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Susan Adams, CFNPLeeds, MA 010531770554891
- Carrie Ames, FNP-BCLeeds, MA 010531801341391
- Caitlin Budrewicz, DNP, FNP-CLeeds, MA 010531699291195
- Lisa Coughlin, NPLeeds, MA 010531487090627
- Theresa KoloskiLeeds, MA 010531790297448
- Carolyn Krause, RNCNPLeeds, MA 010531083723001
- Raymond Martin, FNP-BCLeeds, MA 010531831415256
- Janice Pastuszak, NPLeeds, MA 010531043324403
Common questions
What is William Joseph Sullivan, DNP, FNP's NPI number?
William Joseph Sullivan, DNP, FNP's National Provider Identifier (NPI) is 1184991150, issued on Nov 19, 2011. An NPI identifies a provider in billing; it is not a license.
Where is William Joseph Sullivan, DNP, FNP located?
The NPPES record lists a practice address at 421 N Main St, Leeds, MA, 01053. Phone: (413) 627-2625. Providers update this record themselves, so call before visiting.
How can I verify William Joseph Sullivan, DNP, FNP's license?
NPPES lists Massachusetts license number 215708, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does William Joseph Sullivan, DNP, FNP prescribe under Medicare Part D?
In 2024, William Joseph Sullivan, DNP, FNP had 18 Medicare Part D claims; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.