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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WENJIA SUN MD
NPI 1992489181
Internal Medicine in Monroe, WA

Active since June 09, 2023PECOS Enrolled
19200 N KELSEY ST, MONROE, WA 98272(360) 794-9101(360) 805-4759 Get Directions Write a Review

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 23, 2026, Jun 9, 2023 (2 updates tracked since 2023).

About Wenjia Sun Md NPPES

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

WENJIA SUN MD (NPI 1992489181) is an individual internal medicine provider in Monroe, Washington, licensed in Washington (MD70083390) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS and maintains a secondary practice location in Urbana.

NPPES Registry Identity

NPI1992489181
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameWENJIA SUNCredential: MD
Location Address19200 N KELSEY STMonroe, WA 98272-1431
Mailing AddressPo Box 31001 4114Pasadena, CA 91110-4114 · (360) 794-9101 · Fax (360) 805-4759
Phone(360) 794-9101
Fax(360) 805-4759
Sole ProprietorNo
Enumeration DateJune 9, 2023
Last NPPES UpdateSeptember 23, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2026
✔ NPI 1992489181 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in WA · MD70083390✔ Licensed in IL · 125.082589
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
19200 N KELSEY ST, Monroe, WA 98272
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Secondary Practice Location 1

Location 1611 W Park StUrbana, IL 61801-2529 · Phone (217) 383-3311

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Wenjia Sun Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98272 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
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
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 20

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

A CHANCELLOR PELL PA-C
Physician Assistant
19200 N KELSEY ST
MONROE, WA 98272
Snohomish County (360) 794-7994
DR. RHONDA MARIE BASS M. D.
Family Medicine
19200 N KELSEY ST
MONROE, WA 98272
Snohomish County (360) 794-7994
CHRISTOPHER JIA-WEI YANG MD
Family Medicine
19200 N KELSEY ST
MONROE, WA 98272
Snohomish County (360) 794-7994
JESSICA ANN SISU
Physician Assistant
19200 N KELSEY ST
MONROE, WA 98272
Snohomish County (360) 794-9101
BEENA L. MORRIS MD
Pediatrics
19200 N KELSEY ST
MONROE, WA 98272
Snohomish County (360) 794-7994
MS. JENNIFER LYNN WILSON
Student in an Organized Health Care Education/Training Program
19200 N KELSEY ST
MONROE, WA 98272
Snohomish County (360) 794-5555
SHELBY LIDSTROM
Physician Assistant
19200 N KELSEY ST
MONROE, WA 98272
Snohomish County (360) 794-7994
POONAM PATEL
Pharmacist
19200 N KELSEY ST
MONROE, WA 98272
Snohomish County (360) 794-7994

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 Wenjia Sun's NPI number?

The NPI number for Wenjia Sun is 1992489181. It was assigned to this individual provider in the NPPES registry on June 9, 2023.

Where is Wenjia Sun located?

Wenjia Sun practices at 19200 N Kelsey St, Monroe, WA 98272. The listed phone number is (360) 794-9101.

What is Wenjia Sun's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Wenjia Sun enrolled in Medicare?

Yes. Wenjia Sun is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Wenjia Sun was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.