KEVIN RANSOM AU M.D.
NPI 1417344219
Surgery - Vascular Surgery in Vancouver, WA

Active since April 20, 2015PECOS EnrolledAccepts Medicare Assignment
505 NE 87TH AVE STE 301, VANCOUVER, WA 98664(360) 514-1854(360) 514-6063 Get Directions Write a Review

NPPES record last updated: February 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 28, 2020, Aug 19, 2020 (2 updates tracked since 2020).

About Kevin Ransom Au M.d. NPPES

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

KEVIN RANSOM AU M.D. (NPI 1417344219) is an individual vascular surgery provider in Vancouver, Washington, licensed in Washington (MD70075688) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Peacehealth St John Medical Center, and maintains a secondary practice location in Madison.

NPPES Registry Identity

NPI1417344219
Entity TypeIndividualMale
Primary Taxonomy2086S0129X
Provider Legal NameKEVIN RANSOM AUCredential: M.D.
Location Address505 NE 87TH AVE STE 301Vancouver, WA 98664-1965
Mailing Address1808 W Beltline HwyMadison, WI 53713-2334 · (608) 250-1497 · Fax (608) 250-1384
Fax(360) 514-6063
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateApril 20, 2015
Last NPPES UpdateFebruary 12, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 12, 2026
✔ NPI 1417344219 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0129X
Licenses✔ Licensed in WA · MD70075688✔ Licensed in WI · 72872
Definition
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
505 NE 87TH AVE STE 301, Vancouver, WA 98664

Secondary Practice Location 1

Location 1700 S Park St Ste AMadison, WI 53715-1830 · Phone (608) 260-2900 · Fax (608) 260-2961

Other Identifiers 1

Medicaid1417344219WI

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kevin Ransom Au 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 ID2062783012
PECOS Enrollment IDI20200831000889, I20260226003804
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

3

Medicare enrollment records show Kevin Au reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
Surgery
505 NE 87TH AVE, SUITE 301
Vancouver, WA 98664
  • Reassigned Medicare billing, Washington enrollment
  • 307 clinicians in this Medicare group
Multi-Specialty
1615 DELAWARE ST
Longview, WA 98632
  • Reassigned Medicare billing, Washington enrollment
  • 308 clinicians in this Medicare group
Allergy & Immunology
1211 FISH HATCHERY RD
Madison, WI 53715
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,377 clinicians in this Medicare group

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 14

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.

Ultrasound study of arm and leg arteries 93922
An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.
74 services72 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.
66 services56 patients
Ultrasound of both sides of head and neck blood flow 93880
An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.
46 services46 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.
40 services40 patients
Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts 93978
This procedure involves using sound waves to create images of your aorta, vena cava, groin vessels, or bypass grafts. It helps to detect abnormalities or blockages, ensuring your blood flows smoothly. It's painless and non-invasive.
31 services30 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.
27 services27 patients

Hospital Affiliations CMS Care Compare 5

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

Peacehealth St John Medical Center

Acute Care Hospitals · Longview, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500041
Location1615 Delaware StreetLongview, WA 98632 · Cowlitz County
Emergency services Birthing friendly

Peacehealth Southwest Medical Center

Acute Care Hospitals · Vancouver, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500050
Location400 NE Mother Joseph PlaceVancouver, WA 98668 · Clark County
Emergency services Birthing friendly

Ssm Health St Clare Hospital - Baraboo

Acute Care Hospitals · Baraboo, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520057
Location707 14th StBaraboo, WI 53913 · Sauk County
Emergency services Birthing friendly

Ssm Health St Mary's Hospital - Madison

Acute Care Hospitals · Madison, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520083
Location700 South Park StMadison, WI 53715 · Dane County
Emergency services Birthing friendly

Ssm Health St Mary's Hospital - Janesville

Acute Care Hospitals · Janesville, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number520208
Location3400 East Racine StreetJanesville, WI 53546 · Rock County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98664 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
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$71.29 typical visit price
range $18.56 – $141.11
Typical copayment $17.82 (range $4.64 – $35.27)
Most-billed visit code 99213
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.

Surgery (Trauma Surgery)
505 NE 87TH AVE STE 301
VANCOUVER, WA 98664
Internal Medicine (Gastroenterology)
505 NE 87TH AVE STE 301
VANCOUVER, WA 98664
Surgery
505 NE 87TH AVE STE 301
VANCOUVER, WA 98664
Physician Assistant
505 NE 87TH AVE STE 301
VANCOUVER, WA 98664
Internal Medicine (Gastroenterology)
505 NE 87TH AVE STE 301
VANCOUVER, WA 98664
Physician Assistant
505 NE 87TH AVE STE 301
VANCOUVER, WA 98664
Surgery (Trauma Surgery)
505 NE 87TH AVE STE 301
VANCOUVER, WA 98664
Surgery
505 NE 87TH AVE STE 301
VANCOUVER, WA 98664

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 Kevin Au's NPI number?

The NPI number for Kevin Au is 1417344219. It was assigned to this individual provider in the NPPES registry on April 20, 2015.

Where is Kevin Au located?

Kevin Au practices at 505 NE 87th Ave Ste 301, Vancouver, WA 98664. The listed phone number is (360) 514-1854.

What is Kevin Au's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is Kevin Au enrolled in Medicare?

Yes. Kevin Au 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.

Which organizations bill Medicare for Kevin Au's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kevin Au reassigns Medicare benefits to 3 organizations: Peacehealth (Vancouver, WA), Peacehealth (Longview, WA) and Dean Health Systems, Inc (Madison, WI). 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 Kevin Au's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kevin Au accept?

Health plans from Ambetter Health, BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and Premera Blue Cross Blue Shield of Alaska and 1 other insurer list Kevin Au as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Kevin Au affiliated with any hospitals?

According to CMS data, Kevin Au is affiliated with Peacehealth St John Medical Center, Peacehealth Southwest Medical Center, Ssm Health St Clare Hospital - Baraboo, Ssm Health St Mary's Hospital - Madison and Ssm Health St Mary's Hospital - Janesville.

When was this NPI record last updated?

The NPPES record for Kevin Au was last updated on February 12, 2026. 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.