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DR. WALLACE J. WANG M.D.
NPI 1598924805
Internal Medicine - Gastroenterology in New York, NY

Active since June 03, 2008PECOS Enrolled
17 ELIZABETH ST, SUITE 608, NEW YORK, NY 10013(212) 219-8031(212) 219-3903 Get Directions Write a Review

NPPES record last updated: January 3, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 3, 2017, Dec 30, 2016 (2 updates tracked since 2016).

About Dr. Wallace J. Wang M.d. NPPES

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

DR. WALLACE J. WANG M.D. (NPI 1598924805) is an individual gastroenterology provider in New York, New York, licensed in New York (257569) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS and is a graduate of New York Medical College (2007).

NPPES Registry Identity

NPI1598924805
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. WALLACE J. WANGCredential: M.D.
Location Address17 ELIZABETH ST, SUITE 608New York, NY 10013-4803
Mailing Address17 Elizabeth St, Suite 608New York, NY 10013-4803 · (212) 219-8031 · Fax (212) 219-3903
Phone(212) 219-8031
Fax(212) 219-3903
Sole ProprietorYes
Medical School CMSNew York Medical CollegeGraduated 2007
Enumeration DateJune 3, 2008
Last NPPES UpdateJanuary 3, 20172 updates tracked since enumeration
✔ NPI 1598924805 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 · 257569
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.
17 ELIZABETH ST, New York, NY 10013
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Wallace J. Wang M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8820284482
PECOS Enrollment IDI20150812007031
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 Wallace Wang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Downtown Gastroenterology Associates PC
Same address
Gastroenterology
17 ELIZABETH ST, #608
New York, NY 10013
  • Reassigned Medicare billing, New York enrollment
  • 5 clinicians in this Medicare group
NPI 1003976960 (212) 219-8031
Digestive Diseases Diagnostic & Treatment Center LLC
7.2 mi
Ambulatory Surgical
214 AVENUE P
Brooklyn, NY 11204
  • Reassigned Medicare billing, New York enrollment
  • 41 clinicians in this Medicare group
NPI 1376774208 (718) 339-5678

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 8

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.
83 services70 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.
45 services44 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.
29 services29 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.
29 services29 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.
25 services25 patients
Diagnostic exam of large bowel using a flexible endoscope 45378
This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.
21 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10013 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
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
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.

Other Providers at the Same Location NPPES 15

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

DOWNTOWN GASTROENTEROLOGY ASSOCIATES PC
Internal Medicine (Gastroenterology)
17 ELIZABETH ST, #608
NEW YORK, NY 10013
New York County (212) 219-8031
DR. DAVID KA-HING SHU
Ophthalmology
17 ELIZABETH ST, SUITE 607
NEW YORK, NY 10013
New York County (212) 925-3825
CHI MAN SHU MD
Ophthalmology
17 ELIZABETH ST, SUITE 607
NEW YORK, NY 10013
New York County (212) 925-3825
WAH SANG LEE D.O.
Neuromusculoskeletal Medicine & OMM
17 ELIZABETH ST, SUITE 601
NEW YORK, NY 10013
New York County (212) 966-8889
ELIZABETH MEDICAL ASSOCIATES, PC
Anesthesiology
17 ELIZABETH ST, #608
NEW YORK, NY 10013
New York County (212) 219-8031
NEW YORKER DENTAL CARE PC
Dentist (General Practice)
17 ELIZABETH ST, SUITE 407
NEW YORK, NY 10013
New York County (212) 966-7180
STELLA LOU LEE O.D.
Optometrist
17 ELIZABETH ST, SUITE 401
NEW YORK, NY 10013
New York County (212) 226-3937
EVERGREEN GLOBAL SOLUTIONS
Durable Medical Equipment & Medical Supplies
17 ELIZABETH ST, SUITE 509
NEW YORK, NY 10013
New York County (917) 886-3770

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 Wang's NPI number?

The NPI number for Wallace Wang is 1598924805. It was assigned to this individual provider in the NPPES registry on June 3, 2008.

Where is Wallace Wang located?

Wallace Wang practices at 17 Elizabeth St Suite 608, New York, NY 10013. The listed phone number is (212) 219-8031.

What is Wallace Wang's specialty?

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

Is Wallace Wang enrolled in Medicare?

Yes. Wallace Wang is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Wallace Wang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Wallace Wang reassigns Medicare benefits to 2 organizations: Downtown Gastroenterology Associates PC (New York, NY) and Digestive Diseases Diagnostic & Treatment Center LLC (Brooklyn, NY). 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 Wallace Wang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Wallace Wang was last updated on January 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.