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MS. VIVIAN S LIU CNM
NPI 1679806574
Advanced Practice Midwife in Clackamas, OR

Active since September 09, 2009PECOS Enrolled
10100 SE SUNNYSIDE RD, CLACKAMAS, OR 97015(503) 571-2946(503) 571-2683 Get Directions Write a Review

NPPES record last updated: September 18, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 18, 2025, Mar 8, 2022, Feb 14, 2022 (3 updates tracked since 2022).

About Ms. Vivian S Liu Cnm NPPES

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

MS. VIVIAN S LIU CNM (NPI 1679806574) is an individual advanced practice midwife in Clackamas, Oregon, licensed in Oregon (200950113NP NMNP-PP) and active in the NPI registry since September 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679806574
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameMS. VIVIAN S LIUCredential: CNM
Location Address10100 SE SUNNYSIDE RDClackamas, OR 97015-8970
Mailing Address500 Ne Multnomah St Ste 100Portland, OR 97232-2099 · (800) 813-2000
Phone(503) 571-2946
Fax(503) 571-2683
Sole ProprietorNo
Enumeration DateSeptember 9, 2009
Last NPPES UpdateSeptember 18, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2025
✔ NPI 1679806574 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367A00000X
License✔ Licensed in OR · 200950113NP NMNP-PP
Definition
Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.
10100 SE SUNNYSIDE RD, Clackamas, OR 97015
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Other Identifiers 2

Medicaid500617867OR
Medicaid9664475WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Kaiser Permanente, PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Vivian S Liu Cnm 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.

Medicare Billing Reassignment

Medicare enrollment records show Vivian Liu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kaiser Foundation Health Plan Of The Northwest
0.2 mi
Sleep Disorder Diagnostic
9717 SE SUNNYSIDE RD, 3RD FLOOR
Clackamas, OR 97015
  • Reassigned Medicare billing, Oregon and Washington enrollments
  • Also billed through NPI 1871848457 (Washington)
  • 3,207 clinicians in this Medicare group
NPI 1174851505 (503) 659-2454

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97015 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
$90.51 typical visit price
range $58.99 – $176.88
Typical copayment $22.62 (range $14.74 – $44.22)
Most-billed visit code 99203
Established Patient
$73.28 typical visit price
range $19.32 – $144.79
Typical copayment $18.32 (range $4.83 – $36.19)
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.

LOREN EDWARD JENKINS M.D.
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
10100 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (503) 786-8435
JENNIFER MATTSON M.D.
Internal Medicine (Cardiovascular Disease)
10100 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (800) 813-2000
HEATHER BUFFORD CRUMMETT M.D.
Obstetrics & Gynecology
10100 SE SUNNYSIDE RD, MOUNT TALBERT MEDICAL OFFICE
CLACKAMAS, OR 97015
Clackamas County (503) 571-8163
MRS. TAMI RACHEL COCHRAN PTA
Physical Therapy Assistant
10100 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (503) 666-7736
CANDY CHAU
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
10100 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (866) 280-1228
HEATHER CAREY RN
Registered Nurse (Ambulatory Care)
10100 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (503) 813-2000
ALLYSON ADAMS
Family Medicine
10100 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (800) 813-2000
KELLY ELIZABETH JACKSON PT, DPT
Physical Therapist (Orthopedic)
10100 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Clackamas County (503) 813-2000

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 Vivian Liu's NPI number?

The NPI number for Vivian Liu is 1679806574. It was assigned to this individual provider in the NPPES registry on September 9, 2009.

Where is Vivian Liu located?

Vivian Liu practices at 10100 SE Sunnyside Rd, Clackamas, OR 97015. The listed phone number is (503) 571-2946.

What is Vivian Liu's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Is Vivian Liu enrolled in Medicare?

Yes. Vivian Liu is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Vivian Liu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Vivian Liu reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Northwest (Clackamas, OR). The 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 Vivian Liu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Vivian Liu accept?

Health plans from BridgeSpan Health Company, Kaiser Permanente, PacificSource Health Plans and Regence BlueCross BlueShield of Oregon list Vivian Liu 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.

When was this NPI record last updated?

The NPPES record for Vivian Liu was last updated on September 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.