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DR. MARIA JI KYUNG HAM KOWZUN M.D.
NPI 1619138765
Surgery in New Brunswick, NJ

Active since June 20, 2008PECOS EnrolledAccepts Medicare Assignment
195 LITTLE ALBANY ST, NEW BRUNSWICK, NJ 08901(732) 235-8524 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 17, 2018, Feb 19, 2018 (2 updates tracked since 2018).

About Dr. Maria Ji Kyung Ham Kowzun M.d. NPPES

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

DR. MARIA JI KYUNG HAM KOWZUN M.D. (NPI 1619138765) is an individual surgery provider in New Brunswick, New Jersey, licensed in New Jersey (25MA08972600) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with Newark Beth Israel Medical Center, and maintains a secondary practice location in Hamilton.

NPPES Registry Identity

NPI1619138765
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameDR. MARIA JI KYUNG HAM KOWZUNCredential: M.D.
Location Address195 LITTLE ALBANY STNew Brunswick, NJ 08901-1914
Mailing Address195 Little Albany StNew Brunswick, NJ 08901-1914 · (732) 235-8524
Phone(732) 235-8524
Sole ProprietorNo
Medical School CMSUniversity Of Hawaii John A. Burns School Of MedicineGraduated 2008
Enumeration DateJune 20, 2008
Last NPPES UpdateMarch 17, 20182 updates tracked since enumeration
✔ NPI 1619138765 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in NJ · 25MA08972600
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
195 LITTLE ALBANY ST, New Brunswick, NJ 08901
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Secondary Practice Location 1

Location 12575 Klockner RdHamilton, NJ 08690-2801 · Phone (609) 631-6960

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Oscar Health.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

Dr. Maria Ji Kyung Ham Kowzun M.d. 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 ID8820261712
PECOS Enrollment IDI20111110000133
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 Maria Kowzun reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rutgers Health-Rwj Scleroderma Program
Same address
Pediatric Hematology-Oncology
195 LITTLE ALBANY ST
New Brunswick, NJ 08901
  • Reassigned Medicare billing, New Jersey enrollment
  • 641 clinicians in this Medicare group
NPI 1104842285 (732) 235-6455
Barnabas Health Medical Group PC
17 mi
Specialist
225 WILLIAMSON ST
Elizabeth, NJ 07202
  • Reassigned Medicare billing, New Jersey enrollment
  • 1,894 clinicians in this Medicare group
NPI 1841557246 (888) 724-7123

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
74 services56 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
19 services19 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
14 services14 patients

Hospital Affiliations CMS Care Compare 3

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

Newark Beth Israel Medical Center

Acute Care Hospitals · Newark, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310002
Location201 Lyons AveNewark, NJ 07112 · Essex County
Emergency services Birthing friendly

Clara Maass Medical Center

Acute Care Hospitals · Belleville, NJ
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310009
LocationOne Clara Maass DriveBelleville, NJ 07109 · Essex County
Emergency services Birthing friendly

Cooperman Barnabas Medical Center

Acute Care Hospitals · Livingston, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310076
Location94 Old Short Hills RoadLivingston, NJ 07039 · Essex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08901 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
$98.09 typical visit price
range $63.84 – $190.92
Typical copayment $24.52 (range $15.96 – $47.73)
Most-billed visit code 99203
Established Patient
$79.09 typical visit price
range $20.97 – $155.92
Typical copayment $19.77 (range $5.24 – $38.98)
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 20

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

ERIC A RUBIN
Internal Medicine (Medical Oncology)
195 LITTLE ALBANY ST
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-2465
MARGARET MASTERSON
Pediatrics (Pediatric Hematology-Oncology)
195 LITTLE ALBANY ST
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-6455
ALLISON ROSE DAVANZO PA-C
Physician Assistant
195 LITTLE ALBANY ST
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-2465
BRUCE G HAFFTY MD
Radiology (Radiation Oncology)
195 LITTLE ALBANY ST, THE CANCER INSTITUTE OF NEW JERSEY ROOM 2006
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-5203
MRS. COLLEEN MERNAR NP
Nurse Practitioner (Adult Health)
195 LITTLE ALBANY ST
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-2465
SUSAN LYNNE SCHWARTZ RN, APN-C
Nurse Practitioner (Adult Health)
195 LITTLE ALBANY ST
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-6949
MRS. ANGELIKA SHENKERMAN APN
Nurse Practitioner (Pediatrics)
195 LITTLE ALBANY ST
NEW BRUNSWICK, NJ 08901
Middlesex County (908) 596-1760
RITA MUSANTI
Nurse Practitioner
195 LITTLE ALBANY ST, THE CANCER INSTITUTE OF NEW JERSEY
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-6777

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 Maria Kowzun's NPI number?

The NPI number for Maria Kowzun is 1619138765. It was assigned to this individual provider in the NPPES registry on June 20, 2008.

Where is Maria Kowzun located?

Maria Kowzun practices at 195 Little Albany St, New Brunswick, NJ 08901. The listed phone number is (732) 235-8524.

What is Maria Kowzun's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Maria Kowzun enrolled in Medicare?

Yes. Maria Kowzun 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 Maria Kowzun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Kowzun reassigns Medicare benefits to 2 organizations: Rutgers Health-Rwj Scleroderma Program (New Brunswick, NJ) and Barnabas Health Medical Group PC (Elizabeth, NJ). 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 Maria Kowzun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maria Kowzun accept?

Health plans from Ambetter Health and Oscar Health list Maria Kowzun 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 Maria Kowzun affiliated with any hospitals?

According to CMS data, Maria Kowzun is affiliated with Newark Beth Israel Medical Center, Clara Maass Medical Center and Cooperman Barnabas Medical Center.

When was this NPI record last updated?

The NPPES record for Maria Kowzun was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.