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SIDONIE B JUSTYNSKI
NPI 1174027601
Nurse Practitioner - Psychiatric/Mental Health in Yuma, AZ

Active since March 20, 2018PECOS EnrolledAccepts Medicare Assignment
101 W 16TH ST STE A, YUMA, AZ 85364(928) 770-2053(928) 298-6946 Get Directions Write a Review

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

Record update history: Aug 18, 2026, Feb 3, 2026, Mar 25, 2025 and 4 more (7 updates tracked since 2018).

About Sidonie B Justynski NPPES

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

SIDONIE B JUSTYNSKI (NPI 1174027601) is an individual psychiatric/mental health provider in Yuma, Arizona, licensed in Arizona (AP11179) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS, is affiliated with Riverside Regional Medical Center, and maintains a secondary practice location in Hampton.

NPPES Registry Identity

NPI1174027601
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameSIDONIE B JUSTYNSKI
Location Address101 W 16TH ST STE AYuma, AZ 85364-4734
Mailing Address3811 Goldleaf Trail DrKaty, TX 77449-1661 · (928) 770-2053 · Fax (928) 298-6946
Phone(928) 770-2053
Fax(928) 298-6946
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateMarch 20, 2018
Last NPPES UpdateAugust 18, 20267 updates tracked since enumeration
NPPES CertifiedAugust 18, 2026
✔ NPI 1174027601 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses✔ Licensed in AZ · AP11179✔ Licensed in VA · 0024191050
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License AP136386 (TX)
101 W 16TH ST STE A, Yuma, AZ 85364
Open in Google Maps ↗

Other Names 1

Former Name (1)Sidonie Beatrice Ngankeu

Secondary Practice Location 1

Location 12244 Executive DrHampton, VA 23666-2430 · Phone (757) 827-1001

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Blue Cross Blue Shield of Arizona, Oscar Health and more.Insurance ›

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

Sidonie B Justynski 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 ID3577898683
PECOS Enrollment IDI20250403000765
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 Reassignments

5

Medicare enrollment records show Sidonie Justynski reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Signify Health, LLC
1,033 mi
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, Arizona enrollment
  • 556 clinicians in this Medicare group
NPI 1689158487 (469) 466-7007
Signify Health Medical Associates, PLLC
1,033 mi
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, Texas enrollment
  • 1,246 clinicians in this Medicare group
NPI 1750845863 (972) 715-3800
Serenity Healthcare Services, PLLC
1,142 mi
Psychiatric/Mental Health
1505 HIGHWAY 6 S STE 215
Houston, TX 77077
  • Reassigned Medicare billing, Arizona enrollment
NPI 1437889870 (928) 770-2053
Lswhb LLC
1,750 mi
Behavioral Neurology & Neuropsychiatry
675 HOBBY HORSE LN
Milford, OH 45150
  • Reassigned Medicare billing, Virginia enrollment
  • 12 clinicians in this Medicare group
NPI 1407325939 (513) 443-1700
Riverside Physician Services Inc
2,158 mi
Gastroenterology
120 KINGS WAY STE 3500
Williamsburg, VA 23185
  • Reassigned Medicare billing, Virginia enrollment
  • 1,097 clinicians in this Medicare group
NPI 1083867311 (757) 221-0750

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

Hospital Affiliations CMS Care Compare

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

Riverside Regional Medical Center

Acute Care Hospitals · Newport News, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490052
Location500 J Clyde Morris BlvdNewport News, VA 23601 · Newport News City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85364 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
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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

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

BROOKLYN REINERT
Registered Nurse (Lactation Consultant)
101 W 16TH ST STE A, #1216
YUMA, AZ 85364
Yuma County (928) 580-6510

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 Sidonie Justynski's NPI number?

The NPI number for Sidonie Justynski is 1174027601. It was assigned to this individual provider in the NPPES registry on March 20, 2018. The provider is also known as Sidonie Beatrice Ngankeu.

Where is Sidonie Justynski located?

Sidonie Justynski practices at 101 W 16th St Ste A, Yuma, AZ 85364. The listed phone number is (928) 770-2053.

What is Sidonie Justynski's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Sidonie Justynski enrolled in Medicare?

Yes. Sidonie Justynski 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 organizations bill Medicare for Sidonie Justynski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sidonie Justynski reassigns Medicare benefits to 5 organizations: Signify Health, LLC (Dallas, TX), Signify Health Medical Associates, PLLC (Dallas, TX), Serenity Healthcare Services, PLLC (Houston, TX), Lswhb LLC (Milford, OH) and Riverside Physician Services Inc (Williamsburg, VA). Each 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 Sidonie Justynski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sidonie Justynski accept?

Health plans from Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Texas, Oscar Health, Oscar Health Plan, Inc. and Oscar Insurance Company and 1 other insurer list Sidonie Justynski 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 Sidonie Justynski affiliated with any hospitals?

According to CMS data, Sidonie Justynski is affiliated with Riverside Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Sidonie Justynski was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.