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ARIEL ZAK RN
NPI 1225669724
Nurse Practitioner - Psychiatric/Mental Health in New Haven, CT

Active since February 03, 2020PECOS Enrolled
65 DWIGHT ST APT 76, NEW HAVEN, CT 06511(425) 478-2672 Get Directions Write a Review

NPPES record last updated: August 20, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 20, 2020, Feb 3, 2020 (2 updates tracked since 2020).

About Ariel Zak Rn NPPES

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

ARIEL ZAK RN (NPI 1225669724) is an individual psychiatric/mental health provider in New Haven, Connecticut, licensed in Washington (AP61078831) and active in the NPI registry since February 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1225669724
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameARIEL ZAKCredential: RN
Location Address65 DWIGHT ST APT 76New Haven, CT 06511-5352
Mailing Address65 Dwight St Apt 76New Haven, CT 06511-5352
Phone(425) 478-2672
Sole ProprietorYes
Enumeration DateFebruary 3, 2020
Last NPPES UpdateAugust 20, 20202 updates tracked since enumeration
NPPES CertifiedAugust 20, 2020
✔ NPI 1225669724 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
License✔ Licensed in WA · AP61078831
Also ListedRegistered NurseTaxonomy 163W00000X · License 154866 (CT)
65 DWIGHT ST APT 76, New Haven, CT 06511
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ariel Zak Rn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Ariel Zak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multicare Health System
2,200 mi
Internal Medicine
15533 E BROADWAY AVE
Spokane Valley, WA 99037
  • Reassigned Medicare billing, Washington enrollment
  • 4,383 clinicians in this Medicare group
NPI 1336902345 (509) 530-4260
Alliance For South Sound Health
2,449 mi
Psychiatric Hospital
3402 S 19TH ST
Tacoma, WA 98405
  • Reassigned Medicare billing, Washington enrollment
  • 87 clinicians in this Medicare group
NPI 1891298980 (253) 552-8586

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 06511 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

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 Ariel Zak's NPI number?

The NPI number for Ariel Zak is 1225669724. It was assigned to this individual provider in the NPPES registry on February 3, 2020.

Where is Ariel Zak located?

Ariel Zak practices at 65 Dwight St Apt 76, New Haven, CT 06511. The listed phone number is (425) 478-2672.

What is Ariel Zak's specialty?

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

Is Ariel Zak enrolled in Medicare?

Yes. Ariel Zak is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ariel Zak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ariel Zak reassigns Medicare benefits to 2 organizations: Multicare Health System (Spokane Valley, WA) and Alliance For South Sound Health (Tacoma, WA). 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 Ariel Zak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ariel Zak accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Ariel Zak 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.

When was this NPI record last updated?

The NPPES record for Ariel Zak was last updated on August 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.