Elyssa Williams, MSN, RN, FNP
Family Nurse Practitioner · Worcester, MA
Elyssa Williams, MSN, RN, FNP is a family nurse practitioner with a practice address in Worcester, Massachusetts, and NPI 1164927349, issued on Mar 28, 2018. Check the license (Massachusetts F10230021, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Elyssa Williams
- Credential
- MSN, RN, FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- F10230021 MA
RN2321567 MA
Self-reported in NPPES; status is on the state search - Practice location
- 19 Tacoma St, Worcester, MA 01605
- Phone
- (508) 595-1115
- Enumerated
- Mar 28, 2018
- Record last updated
- Oct 17, 2023
- Medicare enrollment
- Enrolled (PECOS I20240314000295); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 19 Tacoma St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Elyssa 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 F10230021Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average family nurse practitioner in 2024
1,731 Medicare Part D claims for 221 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 74 claims were for opioids.
Most prescribed
- Atorvastatin Calcium79 claims
- Lisinopril70 claims
- Omeprazole56 claims
- Amlodipine Besylate54 claims
- Albuterol Sulfate Hfa49 claims
- Levothyroxine Sodium49 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
- Community Health Center OF Franklin County IncorporatedGreenfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elyssa Williams among 4,724 family nurse practitioner records in Massachusetts
Elyssa Williams, MSN, RN, 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 2018, is newer than 49% of them.
- NPI issued2018 · 49% of these records are older, 46% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2023 · median 2019 among the 2,704 with a school on file
- Record last updated2023 · 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).
177 family nurse practitioner records list a practice address in Worcester
They are 177 of the 13,166 NPPES records with a practice address in Worcester, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Worcester → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Ama Ahenkorah, FNPWorcester, MA 016051952553232
- Svetlana Borochin, N.PWorcester, MA 016051609128149
- Jessica Deglialberti, N.P.-CWorcester, MA 016051689920993
- Lyndsey Digiorgio, FNPWorcester, MA 016051851661029
- Robynn Eisley, FNPWorcester, MA 016051467637702
- Lorraine LoretzWorcester, MA 016051649202441
- Jennifer Markey, NPWorcester, MA 016051083800916
- Donna Raymond, FNPWorcester, MA 016051407817687
Common questions
What is Elyssa Williams, MSN, RN, FNP's NPI number?
Elyssa Williams, MSN, RN, FNP's National Provider Identifier (NPI) is 1164927349, issued on Mar 28, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Elyssa Williams, MSN, RN, FNP located?
The NPPES record lists a practice address at 19 Tacoma St, Worcester, MA, 01605. Phone: (508) 595-1115. Providers update this record themselves, so call before visiting.
How can I verify Elyssa Williams, MSN, RN, FNP's license?
NPPES lists Massachusetts license number F10230021, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Elyssa Williams, MSN, RN, FNP prescribe under Medicare Part D?
In 2024, Elyssa Williams, MSN, RN, FNP had 1,731 Medicare Part D claims for 221 beneficiaries; 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.