MR. NATHANIEL EDWARD AUYEUNG LCSW
NPI 1396415048
Social Worker - Clinical in West Haven, CT

Active since September 15, 2021PECOS EnrolledAccepts Medicare Assignment
285 MAIN ST, WEST HAVEN, CT 06516(860) 803-0188 Get Directions Write a Review

NPPES record last updated: May 10, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 10, 2023, Sep 15, 2021 (2 updates tracked since 2021).

About Mr. Nathaniel Edward Auyeung Lcsw NPPES

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

MR. NATHANIEL EDWARD AUYEUNG LCSW (NPI 1396415048) is an individual clinical provider in West Haven, Connecticut, licensed in Connecticut (13028) and active in the NPI registry since September 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1396415048
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. NATHANIEL EDWARD AUYEUNGCredential: LCSW
Location Address285 MAIN STWest Haven, CT 06516-7307
Mailing Address285 Main StWest Haven, CT 06516-7307
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateSeptember 15, 2021
Last NPPES UpdateMay 10, 20232 updates tracked since enumeration
NPPES CertifiedMay 10, 2023
✔ NPI 1396415048 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CT · 13028
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
285 MAIN ST, West Haven, CT 06516

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

Mr. Nathaniel Edward Auyeung Lcsw 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 ID2365808235
PECOS Enrollment IDI20230518001875
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 Nathaniel Auyeung reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Federally Qualified Health Center (FQHC)
400-428 COLUMBUS AVENUE
New Haven, CT 06519
  • Reassigned Medicare billing, Connecticut enrollment
  • 468 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 06516 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
$0.00 typical visit price
range $60.82 – $183.10
Typical copayment $0.00 (range $15.20 – $45.77)
Most-billed visit code NA
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
Most-billed visit code 99213
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 6

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

Nurse Practitioner (Psychiatric/Mental Health)
285 MAIN ST
WEST HAVEN, CT 06516
Social Worker
285 MAIN ST
WEST HAVEN, CT 06516
Social Worker (Clinical)
285 MAIN ST
WEST HAVEN, CT 06516
Registered Nurse
285 MAIN ST
WEST HAVEN, CT 06516
Social Worker
285 MAIN ST
WEST HAVEN, CT 06516
Marriage & Family Therapist
285 MAIN ST
WEST HAVEN, CT 06516

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 Nathaniel Auyeung's NPI number?

The NPI number for Nathaniel Auyeung is 1396415048. It was assigned to this individual provider in the NPPES registry on September 15, 2021.

Where is Nathaniel Auyeung located?

Nathaniel Auyeung practices at 285 Main St, West Haven, CT 06516. The listed phone number is (860) 803-0188.

What is Nathaniel Auyeung's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Nathaniel Auyeung enrolled in Medicare?

Yes. Nathaniel Auyeung 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 Nathaniel Auyeung's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathaniel Auyeung reassigns Medicare benefits to Cornell Scott Hill Health Corporation (New Haven, CT). 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 Nathaniel Auyeung'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 Nathaniel Auyeung was last updated on May 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.