KATHERINE HSIN-YU CHAU M.D.
NPI 1629495700
Internal Medicine - Cardiovascular Disease in New York, NY

Q: What is Katherine Chau's NPI number?

The NPI number for Katherine Chau is 1629495700. It was assigned to this individual provider in the NPPES registry on March 26, 2014.

Q: What is Katherine Chau's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Katherine Chau was last updated on July 31, 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.

Active since March 26, 2014PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

161 FORT WASHINGTON AVE, NEW YORK, NY 10032(212) 342-0444 Get Directions Write a Review

NPPES record last updated: July 31, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 11, 2022, Jun 3, 2019 (2 updates tracked since 2019).

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About Katherine Hsin-yu Chau M.d. NPPES

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

KATHERINE HSIN-YU CHAU M.D. (NPI 1629495700) is an individual cardiovascular disease provider in New York, New York, licensed in New Jersey (25MA11838900) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS, is affiliated with Cooperman Barnabas Medical Center, and maintains a secondary practice location in New York.

NPPES Registry Identity

NPI1629495700

Entity TypeIndividualFemale

Primary Taxonomy207RC0000X

Provider Legal NameKATHERINE HSIN-YU CHAUCredential: M.D.

Location Address161 FORT WASHINGTON AVENew York, NY 10032-3729

Mailing Address630 W 168th St # 4New York, NY 10032-3725

Phone(212) 342-0444

Sole ProprietorYes

Medical School CMSYale University School Of MedicineGraduated 2014

Enumeration DateMarch 26, 2014

Last NPPES UpdateJuly 31, 20232 updates tracked since enumeration

NPPES CertifiedJuly 31, 2023

✔ NPI 1629495700 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

Licenses✔ Licensed in NJ · 25MA11838900✔ Licensed in NY · 288666

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X · License 25MA11838900 (NJ)

161 FORT WASHINGTON AVE, New York, NY 10032

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Secondary Practice Location 1

Location 1622 W 168th StNew York, NY 10032-3720 · Phone (212) 342-1371

Accepted Insurance

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

Katherine Hsin-yu Chau 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 ID5496047813

PECOS Enrollment IDI20230818000020

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 Katherine Chau reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Barnabas Health Medical Group PC

19 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 17

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 moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

1,076 services315 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

345 services319 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

88 services87 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

80 services47 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.

67 services39 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

52 services52 patients

Repair of left upper heart chamber with implant with review by radiologist 33340

This is a procedure to fix a problem in your left upper heart chamber. An implant is used to correct the issue. After the procedure, a radiologist, a doctor who specializes in medical imaging, reviews the images to ensure everything is in order.

23 services23 patients

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.

17 services15 patients

Insertion of tube in coronary artery for diagnosis with review by radiologist 93454

This procedure involves placing a small tube into your coronary artery. It helps to identify any blockages or issues within the artery. A radiologist, a doctor specialized in medical imaging, will review the results to ensure accurate diagnosis.

16 services16 patients

Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch 92928

This procedure involves placing a small, mesh tube (stent) in your coronary artery to keep it open. A balloon is used to expand the stent and artery, improving blood flow to your heart. It's typically done for a single artery or branch.

13 services12 patients

Insertion of tube in right heart chambers for measurement 93451

This procedure involves placing a small, flexible tube into the right side of your heart. It helps assess how your heart is functioning by measuring pressures within the heart chambers. It's a key tool in diagnosing certain heart conditions.

13 services13 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.

13 services13 patients

Replacement of aortic valve through the skin and femoral artery 33361

This procedure, known as Transcatheter Aortic Valve Replacement (TAVR), involves replacing a damaged aortic valve through a small incision in the leg. A catheter is inserted into the femoral artery and guided up to the heart. The new valve is then positioned and deployed, restoring normal blood flow.

12 services11 patients

Repair of mitral valve through the skin, initial prosthesis 33418

This procedure, known as Transcatheter Mitral Valve Repair (TMVR), involves a small tube inserted through your skin into a blood vessel. A device is then guided to your heart to repair the mitral valve, using an initial prosthesis. This is a less invasive alternative to open-heart surgery.

12 services12 patients

Insertion of tube in left lower heart chamber, coronary artery and bypass graft for diagnosis with review by radiologist 93459

This procedure involves placing a tube into your left lower heart chamber, coronary artery, and bypass graft. It's done for diagnostic purposes and is carefully reviewed by a radiologist. This helps determine the health of your heart and arteries, aiding in future treatment plans.

12 services12 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

12 services12 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

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 10032 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

$150.24 typical visit price

range $65.69 – $198.19

Typical copayment $37.56 (range $16.42 – $49.54)

Most-billed visit code 99204

Established Patient

$81.44 typical visit price

range $21.20 – $160.66

Typical copayment $20.36 (range $5.30 – $40.16)

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.

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.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

86.8

Promoting Interoperability

100

Improvement Activities

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.

MAUREEN LICURSI CPNP

Nurse Practitioner (Pediatrics)

161 FORT WASHINGTON AVE, 7TH FLOOR
NEW YORK, NY 10032

New York County (212) 305-2466

BARBARA THERESE ROBBINS APRN-BC

Nurse Practitioner (Family)

161 FORT WASHINGTON AVE, ROOM 661
NEW YORK, NY 10032

New York County (212) 342-0886

VARSHA JOHN

Student in an Organized Health Care Education/Training Program

161 FORT WASHINGTON AVE
NEW YORK, NY 10032

New York County (212) 305-5221

MICHELLE BENGAL PA

Physician Assistant

161 FORT WASHINGTON AVE
NEW YORK, NY 10032

New York County (818) 614-2424

DR. NICOLA CORVAJA M.D.

Internal Medicine (Interventional Cardiology)

161 FORT WASHINGTON AVE
NEW YORK, NY 10032

New York County (212) 342-3616

RACHEL CONYBEARE N.P.

Nurse Practitioner (Adult Health)

161 FORT WASHINGTON AVE, HERBERT IRVING PAVILION ROOM # 903
NEW YORK, NY 10032

New York County (212) 305-5275

DR. SUNEETA KRISHNAREDDY MD

Internal Medicine (Gastroenterology)

161 FORT WASHINGTON AVE
NEW YORK, NY 10032

New York County (212) 305-2323

DAVID M WEINER MD

Urology

161 FORT WASHINGTON AVE, 11TH FLOOR
NEW YORK, NY 10032

New York County (212) 305-0114

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 Katherine Chau's NPI number?

The NPI number for Katherine Chau is 1629495700. It was assigned to this individual provider in the NPPES registry on March 26, 2014.

Where is Katherine Chau located?

Katherine Chau practices at 161 Fort Washington Ave, New York, NY 10032. The listed phone number is (212) 342-0444.

What is Katherine Chau's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Katherine Chau enrolled in Medicare?

Yes. Katherine Chau 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 Katherine Chau's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Chau reassigns Medicare benefits to Barnabas Health Medical Group PC (Elizabeth, 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 Katherine Chau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine Chau accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Katherine Chau 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 Katherine Chau affiliated with any hospitals?

According to CMS data, Katherine Chau is affiliated with Cooperman Barnabas Medical Center.

When was this NPI record last updated?

The NPPES record for Katherine Chau was last updated on July 31, 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.