Judith K. Williams, APRN
Family Nurse Practitioner · Cambridge, MA
Judith K. Williams, APRN is a family nurse practitioner with a practice address in Cambridge, Massachusetts, and NPI 1437305828, issued on Aug 18, 2008. Check the license (Massachusetts 275861, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Judith K. Williams
- Credential
- APRN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 275861 MA
RN275861 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1493 Cambridge St, Cambridge, MA 02139
- Phone
- (617) 999-0973
- Enumerated
- Aug 18, 2008
- Record last updated
- May 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20090416000278); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 1493 Cambridge St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Judith K. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 275861Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family nurse practitioner in 2024
20 Medicare Part D claims, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
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.
Bills Medicare through one group practice
- Northeast Health Services LLCTaunton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Judith K. Williams among 4,724 family nurse practitioner records in Massachusetts
Judith K. Williams, APRN 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 2008, is newer than 14% of them.
- NPI issued2008 · 14% of these records are older, 84% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2008 · median 2019 among the 2,704 with a school on file
- Record last updated2026 · 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).
68 family nurse practitioner records list a practice address in Cambridge
They are 68 of the 5,145 NPPES records with a practice address in Cambridge, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Cambridge → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Juliana AntonucciCambridge, MA 021391821717877
- Patricia Bartels, APRN,BCCambridge, MA 021391306818380
- Jenni Calvi, FNPCambridge, MA 021391306681366
- Eileen Cecca, RN CSCambridge, MA 021391356316400
- Carleen CoxCambridge, MA 021391982218970
- Joanne Jack, FNPCambridge, MA 021391992516207
- Amelia Leutz, R.N., F.N.P.-B.C.Cambridge, MA 021391336597251
- Mary Colleen McDonaldCambridge, MA 021391801956925
Common questions
What is Judith K. Williams, APRN's NPI number?
Judith K. Williams, APRN's National Provider Identifier (NPI) is 1437305828, issued on Aug 18, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Judith K. Williams, APRN located?
The NPPES record lists a practice address at 1493 Cambridge St, Cambridge, MA, 02139. Phone: (617) 999-0973. Providers update this record themselves, so call before visiting.
How can I verify Judith K. Williams, APRN's license?
NPPES lists Massachusetts license number 275861, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Judith K. Williams, APRN prescribe under Medicare Part D?
In 2024, Judith K. Williams, APRN had 20 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.