ELYSSA WILLIAMS MSN, RN, FNP
NPI 1164927349
Nurse Practitioner - Family in Worcester, MA

Active since March 28, 2018PECOS EnrolledAccepts Medicare Assignment
19 TACOMA ST, WORCESTER, MA 01605(508) 595-1115 Get Directions Write a Review

NPPES record last updated: October 17, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 17, 2023, Mar 28, 2018 (2 updates tracked since 2018).

About Elyssa Williams Msn, Rn, Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ELYSSA WILLIAMS MSN, RN, FNP (NPI 1164927349) is an individual family provider in Worcester, Massachusetts, licensed in Massachusetts (F10230021) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with Cooley Dickinson Hospital Inc,the, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1164927349
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameELYSSA WILLIAMSCredential: MSN, RN, FNP
Location Address19 TACOMA STWorcester, MA 01605-3516
Mailing Address129 Main StHatfield, MA 01038-7941 · (774) 437-1304
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMarch 28, 2018
Last NPPES UpdateOctober 17, 20232 updates tracked since enumeration
NPPES CertifiedOctober 17, 2023
NPI 1164927349 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in MA · F10230021
Also ListedRegistered Nurse · Community HealthTaxonomy 163WC1500X · License RN2321567 (MA)
19 TACOMA ST, Worcester, MA 01605

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Elyssa Williams Msn, Rn, Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2668818550
PECOS Enrollment IDI20240314000295
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Cooley Dickinson Hospital Inc,the

Acute Care Hospitals · Northampton, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220015
Location30 Locust StreetNorthampton, MA 01060 · Hampshire County
Emergency services Birthing friendly

Baystate Franklin Medical Center

Acute Care Hospitals · Greenfield, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220016
Location164 High StreetGreenfield, MA 01301 · Franklin County
Emergency services Birthing friendly

Heywood Hospital

Acute Care Hospitals · Gardner, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220095
Location242 Green StreetGardner, MA 01440 · Worcester County
Emergency services Birthing friendly

Athol Memorial Hospital

Critical Access Hospitals · Athol, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number221303
Location2033 Main StreetAthol, MA 01331 · Worcester County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01605 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Registered Nurse
19 TACOMA ST
WORCESTER, MA 01605
Registered Nurse
19 TACOMA ST
WORCESTER, MA 01605
Registered Nurse
19 TACOMA ST
WORCESTER, MA 01605
Pharmacy (Clinic Pharmacy)
19 TACOMA ST
WORCESTER, MA 01605
Licensed Practical Nurse
19 TACOMA ST
WORCESTER, MA 01605
Pharmacist
19 TACOMA ST
WORCESTER, MA 01605
Physician Assistant
19 TACOMA ST
WORCESTER, MA 01605
Registered Nurse
19 TACOMA ST
WORCESTER, MA 01605

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Elyssa Williams's NPI number?

The NPI number for Elyssa Williams is 1164927349. It was assigned to this individual provider in the NPPES registry on March 28, 2018.

Where is Elyssa Williams located?

Elyssa Williams practices at 19 Tacoma St, Worcester, MA 01605. The listed phone number is (508) 595-1115.

What is Elyssa Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Elyssa Williams enrolled in Medicare?

Yes. Elyssa Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Elyssa Williams accept?

Health plans from Anthem Blue Cross and Blue Shield list Elyssa Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Elyssa Williams affiliated with any hospitals?

According to CMS data, Elyssa Williams is affiliated with Cooley Dickinson Hospital Inc,the, Baystate Franklin Medical Center, Heywood Hospital and Athol Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Elyssa Williams was last updated on October 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.