WALLACE PETER CHAN M.D.
NPI 1164624334
Internal Medicine - Hematology & Oncology in Greenvale, NY

Q: What is Wallace Chan's NPI number?

The NPI number for Wallace Chan is 1164624334. It was assigned to this individual provider in the NPPES registry on June 1, 2007. The provider is also known as Win Myint Oo M.D..

Q: What is Wallace Chan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Wallace Chan was last updated on May 3, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 June 01, 2007PECOS EnrolledAccepts Medicare Assignment

2200 NORTHERN BLVD, SUITE 111, GREENVALE, NY 11548(516) 325-7500 Get Directions Write a Review

NPPES record last updated: May 3, 2017. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Wallace Peter Chan M.d. NPPES

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

WALLACE PETER CHAN M.D. (NPI 1164624334) is an individual hematology & oncology provider in Greenvale, New York, licensed in New York (244953) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with St Francis Hospital - The Heart Center, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1164624334

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameWALLACE PETER CHANCredential: M.D.

Location Address2200 NORTHERN BLVD, SUITE 111Greenvale, NY 11548-1219

Mailing Address2200 Northern Blvd, Suite 111Greenvale, NY 11548-1219 · (516) 325-7500

Phone(516) 325-7500

Sole ProprietorNo

Medical School CMSOtherGraduated 1999

Enumeration DateJune 1, 2007

Last NPPES UpdateMay 3, 2017

✔ NPI 1164624334 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in NY · 244953

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

2200 NORTHERN BLVD, Greenvale, NY 11548

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Other Names 1

Former Name (1)Win Myint Oo M.d.

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

Wallace Peter 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 ID3173603206

PECOS Enrollment IDI20080102000403

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 13

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.

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

1,072 services346 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.

538 services153 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.

379 services183 patients

Red blood count, automated test 85045

An automated red blood count test is a routine lab procedure to measure the number of red blood cells in your blood. These cells carry oxygen throughout the body. The test helps assess overall health and detect conditions like anemia or polycythemia.

198 services96 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

169 services74 patients

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.

118 services95 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.

96 services94 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.

71 services71 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

68 services54 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.

65 services61 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

47 services47 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.

28 services28 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

21 services21 patients

Hospital Affiliations CMS Care Compare 2

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

St Francis Hospital - The Heart Center

Acute Care Hospitals · Roslyn, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number330182

Location100 Port Washington BoulevardRoslyn, NY 11576 · Nassau County

Emergency services

Chsli St Joseph Hospital

Acute Care Hospitals · Bethpage, NY

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330332

Location4295 Hempstead TurnpikeBethpage, NY 11714 · Nassau County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11548 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

$203.53 typical visit price

range $67.40 – $203.53

Typical copayment $50.88 (range $16.85 – $50.88)

Most-billed visit code 99205

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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 500 mg J8521

Treatment-Treatment - Miscellaneous · category RX029N

3 suppliers13 claims856 services$0.69 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

3 suppliers11 claims11 services$19.06 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

EAST HILLS DENTISTRY, PLLC

Dentist (General Practice)

2200 NORTHERN BLVD, SUITE 107
GREENVALE, NY 11548

Nassau County (516) 621-6100

ST. FRANCIS HOSPITAL

Pharmacy (Institutional Pharmacy)

2200 NORTHERN BLVD, SUITE 100A
GREENVALE, NY 11548

Nassau County (516) 563-7710

JEFFREY FARKAS MD LLC

Radiology (Vascular & Interventional Radiology)

2200 NORTHERN BLVD, SUITE 207
EAST HILLS, NY 11548

Nassau County (516) 466-1029

CHS PHYSICIAN PARTNERS, PC

Anesthesiology (Pain Medicine)

2200 NORTHERN BLVD
GREENVALE, NY 11548

Nassau County (631) 465-6225

JOHN A VENDITTO MD PC

Internal Medicine (Interventional Cardiology)

2200 NORTHERN BLVD, SUITE 132
GREENVALE, NY 11548

Nassau County (516) 626-0700

DR. KIRAN V REDDY M.D.

Internal Medicine (Interventional Cardiology)

2200 NORTHERN BLVD, SUITE 112
GREENVALE, NY 11548

Nassau County (516) 484-6777

MRS. KERI LYNN MESSINA ANP

Nurse Practitioner (Adult Health)

2200 NORTHERN BLVD
GREENVALE, NY 11548

Nassau County (516) 562-6000

ST. FRANCIS DIAGNOSTIC

Radiology (Diagnostic Radiology)

2200 NORTHERN BLVD
GREENVALE, NY 11548

Nassau County (631) 465-6225

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 Wallace Chan's NPI number?

The NPI number for Wallace Chan is 1164624334. It was assigned to this individual provider in the NPPES registry on June 1, 2007. The provider is also known as Win Myint Oo M.D..

Where is Wallace Chan located?

Wallace Chan practices at 2200 Northern Blvd Suite 111, Greenvale, NY 11548. The listed phone number is (516) 325-7500.

What is Wallace Chan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Wallace Chan enrolled in Medicare?

Yes. Wallace 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 Wallace Chan affiliated with any hospitals?

According to CMS data, Wallace Chan is affiliated with St Francis Hospital - The Heart Center and Chsli St Joseph Hospital.

When was this NPI record last updated?

The NPPES record for Wallace Chan was last updated on May 3, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.