MISS ROSEANNE MARIE QUENGA WILLIAMS FNP-BC
NPI 1992634836
Nurse Practitioner in Dededo, GU

Active since May 18, 2026PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: May 18, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Miss Roseanne Marie Quenga Williams Fnp-bc NPPES

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

MISS ROSEANNE MARIE QUENGA WILLIAMS FNP-BC (NPI 1992634836) is an individual nurse practitioner in Dededo, Guam, licensed in Guam (100637) and active in the NPI registry since May 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1992634836
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMISS ROSEANNE MARIE QUENGA WILLIAMSCredential: FNP-BC
Location Address133 ROUTE 3Dededo, GU 96929-6911
Mailing AddressPo Box 10991Tamuning, GU 96931-0991 · (671) 687-9523
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateMay 18, 2026
NPPES CertifiedMay 5, 2026
✔ NPI 1992634836 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in GU · 100637
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Miss Roseanne Marie Quenga Williams Fnp-bc 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 ID6103384946
PECOS Enrollment IDI20260821000899
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.

Medicare Billing Reassignment

Medicare enrollment records show Roseanne Marie Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Clinic/Center
133 ROUTE 3
Dededo, GU 96929
  • Reassigned Medicare billing, Guam enrollment
  • 432 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96929 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
$92.50 typical visit price
range $60.53 – $180.05
Typical copayment $23.12 (range $15.13 – $45.01)
Most-billed visit code 99203
Established Patient
$105.65 typical visit price
range $20.09 – $147.56
Typical copayment $26.41 (range $5.02 – $36.89)
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.

Student in an Organized Health Care Education/Training Program
133 ROUTE 3
DEDEDO, GU 96929
Physical Therapist
133 ROUTE 3
DEDEDO, GU 96929
Speech-Language Pathologist
133 ROUTE 3
DEDEDO, GU 96929
Physical Therapist
133 ROUTE 3
DEDEDO, GU 96929
Hospitalist
133 ROUTE 3
DEDEDO, GU 96929
Neurological Surgery
133 ROUTE 3
DEDEDO, GU 96929
Physical Medicine & Rehabilitation
133 ROUTE 3
DEDEDO, GU 96929
Emergency Medicine
133 ROUTE 3
DEDEDO, GU 96929

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 Roseanne Marie Williams's NPI number?

The NPI number for Roseanne Marie Williams is 1992634836. It was assigned to this individual provider in the NPPES registry on May 18, 2026.

Where is Roseanne Marie Williams located?

Roseanne Marie Williams practices at 133 Route 3, Dededo, GU 96929. The listed phone number is (671) 645-5500.

What is Roseanne Marie Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Roseanne Marie Williams enrolled in Medicare?

Yes. Roseanne Marie 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.

Which organization bills Medicare for Roseanne Marie Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Roseanne Marie Williams reassigns Medicare benefits to Guam Healthcare Development Incorporated (Dededo, GU). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Roseanne Marie Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Roseanne Marie Williams was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.