DR. MICHAEL JAMES BENSON JR. M.D.
NPI 1831509488
Anesthesiology in Portland, OR

Active since May 05, 2014PECOS EnrolledAccepts Medicare Assignment
84.46/100
CMS Quality Rating
3181 SW SAM JACKSON PARK RD, PORTLAND, OR 97239(503) 494-7641 Get Directions Write a Review

NPPES record last updated: September 23, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 21, 2021, May 13, 2021, May 14, 2018 and 1 more (4 updates tracked since 2016).

About Dr. Michael James Benson Jr. M.d. NPPES

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

DR. MICHAEL JAMES BENSON JR. M.D. (NPI 1831509488) is an individual anesthesiology provider in Portland, Oregon, licensed in Oregon (MD203560) and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and maintains a secondary practice location in Oak Park.

NPPES Registry Identity

NPI1831509488
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. MICHAEL JAMES BENSON JR.Credential: M.D.
Location Address3181 SW SAM JACKSON PARK RDPortland, OR 97239-3011
Mailing Address3181 Sw Sam Jackson Park Rd # Uh2Portland, OR 97239-3011 · (503) 494-7641 · Fax (708) 763-1471
Sole ProprietorNo
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2014
Enumeration DateMay 5, 2014
Last NPPES UpdateSeptember 23, 20254 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2025
✔ NPI 1831509488 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in OR · MD203560✔ Licensed in UT · 9529018-1205
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
3181 SW SAM JACKSON PARK RD, Portland, OR 97239

Secondary Practice Location 1

Location 13 Erie Ct Ste L700Oak Park, IL 60302 · Phone (708) 763-1222 · Fax (708) 763-1471

Other Identifiers 1

OtherMD203560OR · Oregon Medical Board

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

Dr. Michael James Benson Jr. 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 ID6002119492
PECOS Enrollment IDI20210624002637
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 Michael Benson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dermatology
165 N. UNIVERSITY AVE. FARMINGTON
Farmington, UT 84025
  • Reassigned Medicare billing, Utah enrollment
  • 2,620 clinicians in this Medicare group
Critical Care Medicine
50 N MEDICAL DR
Salt Lake City, UT 84132
  • Reassigned Medicare billing, Utah enrollment
  • 338 clinicians in this Medicare group
Anesthesiology
3181 SW SAM JACKSON PARK RD, MAILCODE: SJH-2
Portland, OR 97239
  • Reassigned Medicare billing, Oregon enrollment
  • 279 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

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.

Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
13 services13 patients

Hospital Affiliations CMS Care Compare

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

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.46/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality94.32
Improvement Activities40
Cost46.21

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 Michael Benson's NPI number?

The NPI number for Michael Benson is 1831509488. It was assigned to this individual provider in the NPPES registry on May 5, 2014.

Where is Michael Benson located?

Michael Benson practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 494-7641.

What is Michael Benson's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Michael Benson enrolled in Medicare?

Yes. Michael Benson 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 Michael Benson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Benson reassigns Medicare benefits to 3 organizations: University Of Utah Adult Services (Farmington, UT), University Of Utah Acuity Care Services (Salt Lake City, UT) and University Anesthesiology Associates, LLC (Portland, OR). 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 Michael Benson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Michael Benson affiliated with any hospitals?

According to CMS data, Michael Benson is affiliated with Ohsu Hospital And Clinics.

When was this NPI record last updated?

The NPPES record for Michael Benson was last updated on September 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.