ANDREW TREISTER MD
NPI 1518385293
Psychiatry & Neurology - Neurocritical Care in Portland, OR

Active since March 31, 2014PECOS EnrolledAccepts Medicare Assignment
3181 SW SAM JACKSON PARK RD, PORTLAND, OR 97239(503) 418-1472(503) 418-1495 Get Directions Write a Review

NPPES record last updated: September 5, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 5, 2025, Jun 29, 2018 (2 updates tracked since 2018).

About Andrew Treister Md NPPES

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

ANDREW TREISTER MD (NPI 1518385293) is an individual neurocritical care provider in Portland, Oregon, licensed in Oregon (MD187660) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and maintains a secondary practice location in Clackamas.

NPPES Registry Identity

NPI1518385293
Entity TypeIndividualMale
Primary Taxonomy2084A2900X
Provider Legal NameANDREW TREISTERCredential: MD
Location Address3181 SW SAM JACKSON PARK RDPortland, OR 97239
Mailing Address3181 Sw Sam Jackson Park RdPortland, OR 97239-3011 · (503) 418-1472 · Fax (503) 418-1495
Fax(503) 418-1495
Sole ProprietorNo
Medical School CMSUniversity Of California, Irvine, California College Of MedicineGraduated 2014
Enumeration DateMarch 31, 2014
Last NPPES UpdateSeptember 5, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 5, 2025
NPI 1518385293 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 · MD187660
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 MD187660 (OR)
3181 SW SAM JACKSON PARK RD, Portland, OR 97239

Secondary Practice Location 1

Location 110180 SE Sunnyside RdClackamas, OR 97015-8970 · Phone (800) 813-2000

Accepted Insurance

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

Andrew Treister Md 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 ID4688939374
PECOS Enrollment IDI20180530001679
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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
75 services52 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
37 services24 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
17 services17 patients

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

Kaiser Sunnyside Medical Center

Acute Care Hospitals · Clackamas, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380091
Location10180 SE Sunnyside RoadClackamas, OR 97015 · Clackamas 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 Andrew Treister's NPI number?

The NPI number for Andrew Treister is 1518385293. It was assigned to this individual provider in the NPPES registry on March 31, 2014.

Where is Andrew Treister located?

Andrew Treister practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 418-1472.

What is Andrew Treister's specialty?

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

Is Andrew Treister enrolled in Medicare?

Yes. Andrew Treister 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.

What insurance does Andrew Treister accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., Providence Health Plan and Regence BlueCross BlueShield of Oregon list Andrew Treister 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 Andrew Treister affiliated with any hospitals?

According to CMS data, Andrew Treister is affiliated with Ohsu Hospital And Clinics and Kaiser Sunnyside Medical Center.

When was this NPI record last updated?

The NPPES record for Andrew Treister was last updated on September 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.