WAYNE WONG M.D.
NPI 1275676843
Internal Medicine - Gastroenterology in Portland, OR

Q: What is Wayne Wong's NPI number?

The NPI number for Wayne Wong is 1275676843. It was assigned to this individual provider in the NPPES registry on February 14, 2007.

Q: What is Wayne Wong's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Wayne Wong was last updated on November 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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 February 14, 2007PECOS EnrolledAccepts Medicare Assignment

79.27/100

CMS Quality Rating

3500 N INTERSTATE AVE, PORTLAND, OR 97227(503) 331-6170 Get Directions Write a Review

NPPES record last updated: November 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Wayne Wong M.d. NPPES

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

WAYNE WONG M.D. (NPI 1275676843) is an individual gastroenterology provider in Portland, Oregon, licensed in Oregon (MD16753) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Maine General Medical Center, and is a graduate of Oregon Health Sciences University School Of Medicine (1987).

NPPES Registry Identity

NPI1275676843

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameWAYNE WONGCredential: M.D.

Location Address3500 N INTERSTATE AVEPortland, OR 97227-1196

Mailing Address3500 N Interstate AvePortland, OR 97227-1196

Phone(503) 331-6170

Sole ProprietorNo

Medical School CMSOregon Health Sciences University School Of MedicineGraduated 1987

Enumeration DateFebruary 14, 2007

Last NPPES UpdateNovember 11, 2025

NPPES CertifiedNovember 11, 2025

✔ NPI 1275676843 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 OR · MD16753✔ Licensed in WA · MD00034986✔ Licensed in MN · 81010

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.

3500 N INTERSTATE AVE, Portland, OR 97227

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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

Wayne Wong 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 ID2264514470

PECOS Enrollment IDI20220421001732, I20251121000723

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 3

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.

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.

35 services35 patients

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500

Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.

17 services17 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

14 services14 patients

Hospital Affiliations CMS Care Compare 2

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

Maine General Medical Center

Acute Care Hospitals · Augusta, ME

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number200039

Location35 Medical Center ParkwayAugusta, ME 04330 · Kennebec County

Emergency services Birthing friendly

Mayo Clinic Health System - Mankato

Acute Care Hospitals · Mankato, MN

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240093

Location1025 Marsh StreetMankato, MN 56001 · Blue Earth County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97227 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

$134.16 typical visit price

range $58.99 – $176.88

Typical copayment $33.54 (range $14.74 – $44.22)

Most-billed visit code 99204

Established Patient

$103.51 typical visit price

range $19.32 – $144.79

Typical copayment $25.87 (range $4.83 – $36.19)

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.

79.27/100

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

Scored as part of a group practice

Quality

73.72

Promoting Interoperability

Improvement Activities

Cost

60.51

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.

MR. JASON JOHN POWERS M.D.

Internal Medicine (Gastroenterology)