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

DR. MACKENZIE RAINIER COOK MD
NPI 1497070486
Surgery - Surgical Critical Care in Longview, WA

Active since April 01, 2010PECOS Enrolled
97.83/100
CMS Quality Rating
1615 DELAWARE ST, LONGVIEW, WA 98632(360) 501-3500(360) 501-3555 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 22, 2026, Aug 26, 2026, Aug 18, 2026 and 3 more (6 updates tracked since 2017).

About Dr. Mackenzie Rainier Cook Md NPPES

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

DR. MACKENZIE RAINIER COOK MD (NPI 1497070486) is an individual surgical critical care provider in Longview, Washington, licensed in Oregon (MD184572) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1497070486
Entity TypeIndividualMale
Primary Taxonomy2086S0102X
Provider Legal NameDR. MACKENZIE RAINIER COOKCredential: MD
Location Address1615 DELAWARE STLongview, WA 98632-2367
Mailing Address3181 Sw Sam Jackson Park RdPortland, OR 97239-3011 · (860) 463-5727
Fax(360) 501-3555
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateApril 1, 2010
Last NPPES UpdateSeptember 22, 20266 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2026
✔ NPI 1497070486 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySurgery · Surgical Critical CareAllopathic & Osteopathic Physicians
Taxonomy Code2086S0102X
License✔ Licensed in OR · MD184572
Definition
A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedSurgeryTaxonomy 208600000X · License MD184572 (OR), 60642364 (WA)
Also ListedSurgery · Trauma SurgeryTaxonomy 2086S0127X · License MD184572 (OR), 60642364 (WA)
1615 DELAWARE ST, Longview, WA 98632

Secondary Practice Locations 4

Location 1300 N Graham St Ste 125Portland, OR 97227-1683 · Phone (503) 413-3714
Location 23355 Riverbend Dr Ste 300Springfield, OR 97477-8800 · Phone (541) 222-2720 · Fax (541) 222-8376
Location 33181 SW Sam Jackson Park Road, OHSUPortland, OR 97239-2393 · Phone (503) 494-5300 · Fax (503) 494-6519
Location 4505 NE 87th Ave Ste 301Vancouver, WA 98664-1965 · Phone (360) 514-1854 · Fax (360) 514-6063

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 (PECOS)

Dr. Mackenzie Rainier Cook Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1153566807
PECOS Enrollment IDI20260722000822
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 7

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
55 services35 patients
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.
36 services20 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.
29 services18 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.
25 services25 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
21 services21 patients
Coagulation function screening test with interpretation and report 85390
A coagulation function screening test is a type of blood test that checks how well your blood clots. It's important because clotting helps prevent excessive bleeding. The test results are interpreted and a report is provided to help guide your doctor's treatment plan.
19 services14 patients

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.

97.83/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.97
Promoting Interoperability100
Improvement Activities40

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.

Radiology (Radiation Oncology)
1615 DELAWARE ST
LONGVIEW, WA 98632
Nurse Practitioner (Family)
1615 DELAWARE ST
LONGVIEW, WA 98632
Internal Medicine (Hematology)
1615 DELAWARE ST
LONGVIEW, WA 98632
Nurse Anesthetist, Certified Registered
1615 DELAWARE ST
LONGVIEW, WA 98632
Pharmacist
1615 DELAWARE ST
LONGVIEW, WA 98632
Nurse Practitioner (Family)
1615 DELAWARE ST
LONGVIEW, WA 98632
Surgery
1615 DELAWARE ST
LONGVIEW, WA 98632
Pharmacist
1615 DELAWARE ST
LONGVIEW, WA 98632

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 Mackenzie Cook's NPI number?

The NPI number for Mackenzie Cook is 1497070486. It was assigned to this individual provider in the NPPES registry on April 1, 2010.

Where is Mackenzie Cook located?

Mackenzie Cook practices at 1615 Delaware St, Longview, WA 98632. The listed phone number is (360) 501-3500.

What is Mackenzie Cook's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.

Is Mackenzie Cook enrolled in Medicare?

Yes. Mackenzie Cook is registered in the Medicare PECOS enrollment system.

What insurance does Mackenzie Cook accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and Regence BlueCross BlueShield of Oregon list Mackenzie Cook 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 Mackenzie Cook was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 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.