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MR. MARTIN CHUN LICENSED SOCIAL WORK
NPI 1730761792
Social Worker - Clinical in Hamilton, NJ

Active since April 28, 2021PECOS EnrolledAccepts Medicare Assignment
1225 WHITEHORSE MERCERVILLE RD BLDG B, HAMILTON, NJ 08619(609) 256-4200(609) 581-1623 Get Directions Write a Review

NPPES record last updated: January 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 5, 2026, Mar 28, 2023, Apr 28, 2021 (3 updates tracked since 2021).

About Mr. Martin Chun Licensed Social Work NPPES

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

MR. MARTIN CHUN LICENSED SOCIAL WORK (NPI 1730761792) is an individual clinical provider in Hamilton, New Jersey, licensed in New Jersey (44SC06349400) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1730761792
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. MARTIN CHUNCredential: LICENSED SOCIAL WORK
Location Address1225 WHITEHORSE MERCERVILLE RD BLDG BHamilton, NJ 08619-3882
Mailing Address608 Lakeview TerPrinceton, NJ 08540-5727 · (908) 578-6607
Phone(609) 256-4200
Fax(609) 581-1623
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateApril 28, 2021
Last NPPES UpdateJanuary 5, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 5, 2026
✔ NPI 1730761792 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 NJ · 44SC06349400
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.
1225 WHITEHORSE MERCERVILLE RD BLDG B, Hamilton, NJ 08619
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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. Martin Chun Licensed Social Work 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 ID4789122904
PECOS Enrollment IDI20240819001693
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 Martin Chun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Catholic Charities, Diocese Of Trenton
4.6 mi
Community/Behavioral Health
383 W STATE ST
Trenton, NJ 08618
  • Reassigned Medicare billing, New Jersey enrollment
  • 50 clinicians in this Medicare group
NPI 1306888656 (609) 394-3202

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 08619 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 $61.59 – $185.05
Typical copayment $0.00 (range $15.39 – $46.26)
Most-billed visit code NA
Established Patient
$76.45 typical visit price
range $20.08 – $150.98
Typical copayment $19.11 (range $5.02 – $37.74)
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.

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 Martin Chun's NPI number?

The NPI number for Martin Chun is 1730761792. It was assigned to this individual provider in the NPPES registry on April 28, 2021.

Where is Martin Chun located?

Martin Chun practices at 1225 Whitehorse Mercerville Rd Bldg B, Hamilton, NJ 08619. The listed phone number is (609) 256-4200.

What is Martin Chun's specialty?

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

Is Martin Chun enrolled in Medicare?

Yes. Martin Chun 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 Martin Chun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Martin Chun reassigns Medicare benefits to Catholic Charities, Diocese Of Trenton (Trenton, NJ). 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 Martin Chun'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 Martin Chun was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.