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

ISABEL RUTH VANDERSLICE MD
NPI 1386137784
Psychiatry & Neurology - Neurocritical Care in Portland, OR

Active since June 11, 2018PECOS Enrolled
3181 SW SAM JACKSON PARK RD, PORTLAND, OR 97239(503) 494-8311 Get Directions Write a Review

NPPES record last updated: October 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 11, 2022, Jun 11, 2018 (2 updates tracked since 2018).

About Isabel Ruth Vanderslice Md NPPES

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

ISABEL RUTH VANDERSLICE MD (NPI 1386137784) is an individual neurocritical care provider in Portland, Oregon, licensed in Oregon (MD212605) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1386137784
Entity TypeIndividualFemale
Primary Taxonomy2084A2900X
Provider Legal NameISABEL RUTH VANDERSLICECredential: MD
Location Address3181 SW SAM JACKSON PARK RDPortland, OR 97239-3098
Mailing Address3181 Sw Sam Jackson Park RdPortland, OR 97239-3098 · (503) 494-8311
Sole ProprietorNo
Medical School CMSUniversity Of Utah School Of MedicineGraduated 2018
Enumeration DateJune 11, 2018
Last NPPES UpdateOctober 20, 20262 updates tracked since enumeration
NPPES CertifiedOctober 20, 2026
✔ NPI 1386137784 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Neurocritical CareAllopathic & Osteopathic Physicians
Taxonomy Code2084A2900X
License✔ Licensed in OR · MD212605
Definition
The medical subspecialty of Neurocritical Care is devoted to the comprehensive, multisystem care of the critically-ill neurological patient. Like other intensivists, the neurointensivist generally assumes the primary role for coordinating the care of his or her patients in the ICU, both the neurological and medical management of the patient. They may also provide consultative services for these patients as requested within the health system.
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License MD212605 (OR)
3181 SW SAM JACKSON PARK RD, Portland, OR 97239

Secondary Practice Locations 2

Location 12801 N Gantenbein AvePortland, OR 97227-1623 · Phone (503) 413-6166
Location 21650 W Harrison StChicago, IL 60612-3800 · Phone (312) 942-5000

Other Identifiers 1

Medicaid1386137784IL

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Isabel Ruth Vanderslice Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8022366046
PECOS Enrollment IDI20220803002424
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 Isabel Vanderslice reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

General Practice
3181 SW SAM JACKSON PARK RD
Portland, OR 97239
  • Reassigned Medicare billing, Oregon enrollment
  • 2,212 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.

Hospital Affiliations CMS Care Compare 2

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

Ohsu Hospital And Clinics

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380009
Location3181 SW Sam Jackson Park RoadPortland, OR 97239 · Multnomah County
Emergency services Birthing friendly

Hillsboro Medical Center

Acute Care Hospitals · Hillsboro, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380021
Location335 SE 8th AvenueHillsboro, OR 97123 · Washington County
Emergency services Birthing friendly

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.

Internal Medicine (Pulmonary Disease)
3181 SW SAM JACKSON PARK RD, UHN67
PORTLAND, OR 97239
Nurse Practitioner (Acute Care)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Internal Medicine
3181 SW SAM JACKSON PARK RD, PPV 350
PORTLAND, OR 97239
Psychologist (Clinical)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Massage Therapist
3181 SW SAM JACKSON PARK RD, 7D19
PORTLAND, OR 97239
Psychiatry & Neurology (Psychiatry)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Radiology (Diagnostic Radiology)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Student in an Organized Health Care Education/Training Program
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239

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 Isabel Vanderslice's NPI number?

The NPI number for Isabel Vanderslice is 1386137784. It was assigned to this individual provider in the NPPES registry on June 11, 2018.

Where is Isabel Vanderslice located?

Isabel Vanderslice practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 494-8311.

What is Isabel Vanderslice's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurocritical Care, with taxonomy code 2084A2900X.

Is Isabel Vanderslice enrolled in Medicare?

Yes. Isabel Vanderslice is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Isabel Vanderslice's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isabel Vanderslice reassigns Medicare benefits to University Professional Services (Portland, 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 Isabel Vanderslice's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Isabel Vanderslice accept?

Health plans from Moda Health Plan, Inc. list Isabel Vanderslice 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 Isabel Vanderslice affiliated with any hospitals?

According to CMS data, Isabel Vanderslice is affiliated with Ohsu Hospital And Clinics and Hillsboro Medical Center.

When was this NPI record last updated?

The NPPES record for Isabel Vanderslice was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.