BON CHANG A. KOO MD
NPI 1396960043
Internal Medicine - Gastroenterology in New Windsor, NY

Active since April 16, 2007PECOS EnrolledAccepts Medicare Assignment
94.95/100
CMS Quality Rating
277 QUASSAICK AVENUE (RT. 94), NEW WINDSOR, NY 12553(845) 565-5630(845) 565-5643 Get Directions Write a Review

NPPES record last updated: April 29, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Bon Chang A. Koo Md NPPES

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

BON CHANG A. KOO MD (NPI 1396960043) is an individual gastroenterology provider in New Windsor, New York, licensed in New Jersey (25MA09230600) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Valley Hospital, and is a graduate of New York University Medical College - Nlg (2000).

NPPES Registry Identity

NPI1396960043
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameBON CHANG A. KOOCredential: MD
Location Address277 QUASSAICK AVENUE (RT. 94)New Windsor, NY 12553
Mailing Address466 Old Hook Rd., Suite 1Emerson, NJ 07630-1368 · (201) 967-8221 · Fax (201) 634-9647
Fax(845) 565-5643
Sole ProprietorNo
Medical School CMSNew York University Medical College - NlgGraduated 2000
Enumeration DateApril 16, 2007
Last NPPES UpdateApril 29, 2013
NPI 1396960043 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses Licensed in NJ · 25MA09230600 Licensed in NY · 230774-1
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
277 QUASSAICK AVENUE (RT. 94), New Windsor, NY 12553

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Bon Chang A. Koo Md 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 ID9830282730
PECOS Enrollment IDI20130712000544
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.

Areas of Expertise CMS Part B claims 12

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.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
149 services105 patients
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.
120 services98 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.
64 services55 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
63 services61 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.
50 services50 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
45 services44 patients

Hospital Affiliations CMS Care Compare 2

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

Valley Hospital

Acute Care Hospitals · Paramus, NJ
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310012
Location4 Valley Health PlazaParamus, NJ 07652 · Bergen County
Emergency services Birthing friendly

Hackensack Meridian Health Pascack Valley Medical

Acute Care Hospitals · Westwood, NJ
4/5 CMS rating
OwnershipProprietary
CMS Certification Number310130
Location250 Old Hook RoadWestwood, NJ 07675 · Bergen County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 12553 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
$141.77 typical visit price
range $61.88 – $187.05
Typical copayment $35.44 (range $15.47 – $46.76)
Most-billed visit code 99204
Established Patient
$108.56 typical visit price
range $19.92 – $151.94
Typical copayment $27.14 (range $4.98 – $37.98)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.95/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality87.26
Promoting Interoperability100
Improvement Activities40

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 Bon Chang Koo's NPI number?

The NPI number for Bon Chang Koo is 1396960043. It was assigned to this individual provider in the NPPES registry on April 16, 2007.

Where is Bon Chang Koo located?

Bon Chang Koo practices at 277 Quassaick Avenue (rt. 94), New Windsor, NY 12553. The listed phone number is (845) 565-5630.

What is Bon Chang Koo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Bon Chang Koo enrolled in Medicare?

Yes. Bon Chang Koo 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.

Is Bon Chang Koo affiliated with any hospitals?

According to CMS data, Bon Chang Koo is affiliated with Valley Hospital and Hackensack Meridian Health Pascack Valley Medical.

When was this NPI record last updated?

The NPPES record for Bon Chang Koo was last updated on April 29, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.