DR. WALLEN CY CHAN M.D.
NPI 1043287857
Internal Medicine - Gastroenterology in Staten Island, NY

Active since March 01, 2006PECOS EnrolledAccepts Medicare Assignment
66.8/100
CMS Quality Rating
78 TODT HILL RD, STATEN ISLAND, NY 10314(718) 448-1122(718) 448-8318 Get Directions Write a Review

NPPES record last updated: April 14, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Wallen Cy Chan M.d. NPPES

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

DR. WALLEN CY CHAN M.D. (NPI 1043287857) is an individual gastroenterology provider in Staten Island, New York, licensed in New York (183203) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Richmond University Medical Center, and is a graduate of Icahn School Of Medicine At Mount Sinai (1989).

NPPES Registry Identity

NPI1043287857
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. WALLEN CY CHANCredential: M.D.
Location Address78 TODT HILL RDStaten Island, NY 10314-4528
Mailing Address4 Airdale DrKendall Park, NJ 08824-1494 · (718) 448-1122 · Fax (718) 448-8318
Fax(718) 448-8318
Sole ProprietorNo
Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 1989
Enumeration DateMarch 1, 2006
Last NPPES UpdateApril 14, 2008
NPI 1043287857 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in NY · 183203
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.

78 TODT HILL RD, Staten Island, NY 10314

Other Identifiers 4

Medicare UPINF93067NY
Medicaid01768538NY
Medicare PIN77J761NY
Medicare PIN77J762NY

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

Dr. Wallen Cy Chan 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 ID3971515040
PECOS Enrollment IDI20060608000278
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 9

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 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.
150 services123 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.
121 services113 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.
78 services78 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
53 services53 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
51 services51 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.
50 services50 patients

Hospital Affiliations CMS Care Compare 2

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

Richmond University Medical Center

Acute Care Hospitals · Staten Island, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330028
Location355 Bard AvenueStaten Island, NY 10310 · Richmond County
Emergency services Birthing friendly

Staten Island University Hospital

Acute Care Hospitals · Staten Island, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330160
Location475 Seaview AvenueStaten Island, NY 10305 · Richmond County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10314 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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.

66.8/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality83.27
Promoting Interoperability0.55
Improvement Activities40

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.

Otolaryngology
78 TODT HILL RD, SUITE 204
STATEN ISLAND, NY 10314
Internal Medicine (Gastroenterology)
78 TODT HILL RD, SUITE 203
STATEN ISLAND, NY 10314
Internal Medicine (Pulmonary Disease)
78 TODT HILL RD, STE 206
STATEN ISLAND, NY 10314
Internal Medicine (Pulmonary Disease)
78 TODT HILL RD, STE 206
STATEN ISLAND, NY 10314
Psychiatry & Neurology (Neurology)
78 TODT HILL RD
STATEN ISLAND, NY 10314
Ophthalmology
78 TODT HILL RD, SUITE 111
STATEN ISLAND, NY 10314
Internal Medicine (Gastroenterology)
78 TODT HILL RD, SUITE 203
STATEN ISLAND, NY 10314
Psychiatry & Neurology (Neurology)
78 TODT HILL RD, SUITE 205
STATEN ISLAND, NY 10314

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 Wallen Chan's NPI number?

The NPI number for Wallen Chan is 1043287857. It was assigned to this individual provider in the NPPES registry on March 1, 2006.

Where is Wallen Chan located?

Wallen Chan practices at 78 Todt Hill Rd, Staten Island, NY 10314. The listed phone number is (718) 448-1122.

What is Wallen Chan's specialty?

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

Is Wallen Chan enrolled in Medicare?

Yes. Wallen Chan 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 Wallen Chan affiliated with any hospitals?

According to CMS data, Wallen Chan is affiliated with Richmond University Medical Center and Staten Island University Hospital.

When was this NPI record last updated?

The NPPES record for Wallen Chan was last updated on April 14, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.