SEAN MATSUWAKA MD
NPI 1427444983
Physical Medicine & Rehabilitation in Seattle, WA

Q: What is Sean Matsuwaka's NPI number?

The NPI number for Sean Matsuwaka is 1427444983. It was assigned to this individual provider in the NPPES registry on April 11, 2015.

Q: What is Sean Matsuwaka's specialty?

The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.

Q: When was this NPI record last updated?

The NPPES record for Sean Matsuwaka was last updated on December 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.

Active since April 11, 2015PECOS EnrolledAccepts Medicare Assignment

1550 N 115TH ST, SEATTLE, WA 98133(206) 520-5000 Get Directions Write a Review

NPPES record last updated: December 12, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 12, 2022, Jan 7, 2021, Aug 7, 2019 and 2 more (5 updates tracked since 2016).

On this page

About Sean Matsuwaka Md NPPES

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

SEAN MATSUWAKA MD (NPI 1427444983) is an individual physical medicine & rehabilitation provider in Seattle, Washington, licensed in Washington (MD61058068) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and is a graduate of University Of Hawaii John A. Burns School Of Medicine (2015).

NPPES Registry Identity

NPI1427444983

Entity TypeIndividualMale

Primary Taxonomy208100000X

Provider Legal NameSEAN MATSUWAKACredential: MD

Location Address1550 N 115TH STSeattle, WA 98133-8401

Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 520-5700

Phone(206) 520-5000

Sole ProprietorNo

Medical School CMSUniversity Of Hawaii John A. Burns School Of MedicineGraduated 2015

Enumeration DateApril 11, 2015

Last NPPES UpdateDecember 12, 20225 updates tracked since enumeration

NPPES CertifiedDecember 12, 2022

✔ NPI 1427444983 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysical Medicine & RehabilitationAllopathic & Osteopathic Physicians

Taxonomy Code208100000X

License✔ Licensed in WA · MD61058068

Definition

Physical medicine and rehabilitation, also referred to as rehabilitation medicine, is the medical specialty concerned with diagnosing, evaluating, and treating patients with physical disabilities. These disabilities may arise from conditions affecting the musculoskeletal system such as neck and back pain, sports injuries, or other painful conditions affecting the limbs, such as carpal tunnel syndrome. Alternatively, the disabilities may result from neurological trauma or disease such as spinal cord injury, head injury or stroke. A physician certified in physical medicine and rehabilitation is often called a physiatrist. The primary goal of the physiatrist is to achieve maximal restoration of physical, psychological, social and vocational function through comprehensive rehabilitation. Pain management is often an important part of the role of the physiatrist. For diagnosis and evaluation, a physiatrist may include the techniques of electromyography to supplement the standard history, physical, x-ray and laboratory examinations. The physiatrist has expertise in the appropriate use of therapeutic exercise, prosthetics (artificial limbs), orthotics and mechanical and electrical devices.

1550 N 115TH ST, Seattle, WA 98133

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Other Identifiers 1

Medicaid1427444983WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

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

Sean Matsuwaka 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 ID6103125406

PECOS Enrollment IDI20200721003904, I20260917003234

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

Medicare enrollment records show Sean Matsuwaka reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sea Mar Community Health Centers

7.5 mi

Federally Qualified Health Center (FQHC)

4111 ALDERWOOD MALL BLVD
Lynnwood, WA 98036

Reassigned Medicare billing, Washington enrollment
525 clinicians in this Medicare group

NPI 1932648532 (425) 616-4100

The Association Of University Physicians

7.6 mi

Anesthesiology

701 5TH AVE, SUITE 700
Seattle, WA 98104

Reassigned Medicare billing, Washington enrollment
4,364 clinicians in this Medicare group

NPI 1023041159 (206) 543-6420

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 12

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.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

168 services29 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

116 services78 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

85 services60 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

67 services67 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

41 services41 patients

Aspiration and/or injection of fluid large joint using ultrasound guidance 20611

This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.

37 services23 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483

This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.

36 services31 patients

Injection of lower or sacral spine facet joint using imaging guidance, single level 64493

This procedure involves injecting medication into the facet joint in your lower back or sacral spine. It's done under imaging guidance to ensure accuracy. The aim is to alleviate pain and inflammation. It's a safe, often effective method for managing spinal discomfort.

36 services24 patients

Injection of lower or sacral spine facet joint using imaging guidance, second level 64494

This procedure involves injecting medication into the facet joints of your lower or sacral spine to manage pain. Imaging guidance ensures accurate placement. It's the second level, meaning it's done on two different joint levels.

31 services21 patients

Injection of substance into lower spine canal using imaging guidance 62323

This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.

28 services26 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint 64635

This procedure involves using imaging guidance to accurately target and destroy nerves in the lower or sacral spinal facet joint. It's done to relieve chronic back pain. The process is safe and usually effective.

11 services11 patients

Nerve conduction, 7-8 studies 95910

Nerve conduction studies involve testing the speed and strength of signals traveling through your nerves. This helps doctors identify nerve damage. In a 7-8 study procedure, 7-8 specific nerves are tested. You may feel a mild, brief tingling or shock during the test.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

University Of Washington Medical Ctr

Acute Care Hospitals · Seattle, WA

3/5 CMS rating

OwnershipGovernment - State

CMS Certification Number500008

Location1959 NE Pacific St Box 356151Seattle, WA 98195 · King 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.

DR. MARIA ANN CORCORRAN MD

Internal Medicine