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SEAN TAN NGUYEN MD
NPI 1265798391
Emergency Medicine in Seattle, WA

Active since April 03, 2012PECOS EnrolledAccepts Medicare Assignment
86.27/100
CMS Quality Rating
325 NINTH AVE., MS# 359702, SEATTLE, WA 98104(206) 744-2556 Get Directions Write a Review

NPPES record last updated: December 21, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Sean Tan Nguyen Md NPPES

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

SEAN TAN NGUYEN MD (NPI 1265798391) is an individual emergency medicine provider in Seattle, Washington, licensed in Washington (MD60289479) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Valley Medical Center, and is a graduate of Saint Louis University School Of Medicine (2012).

NPPES Registry Identity

NPI1265798391
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameSEAN TAN NGUYENCredential: MD
Location Address325 NINTH AVE., MS# 359702Seattle, WA 98104-2420
Mailing Address325 Ninth Ave, Ms# 359702Seattle, WA 98104-2420 · (206) 744-2556
Phone(206) 744-2556
Sole ProprietorNo
Medical School CMSSaint Louis University School Of MedicineGraduated 2012
Enumeration DateApril 3, 2012
Last NPPES UpdateDecember 21, 2016
✔ NPI 1265798391 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in WA · MD60289479
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
325 NINTH AVE., Seattle, WA 98104
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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

Sean Tan Nguyen 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 ID1658674650
PECOS Enrollment IDI20160722000204
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 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
252 services246 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
115 services112 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.
39 services39 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
13 services13 patients

Hospital Affiliations CMS Care Compare

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

Valley Medical Center

Acute Care Hospitals · Renton, WA
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number500088
Location400 S 43rd StRenton, WA 98055 · King County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.43 typical visit price
range $63.67 – $189.37
Typical copayment $24.35 (range $15.91 – $47.34)
Most-billed visit code 99203
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

86.27/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality75.36
Improvement Activities40

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LUCAS RUITER KANAMORI MD
Student in an Organized Health Care Education/Training Program
325 NINTH AVE., BOX 359908
SEATTLE, WA 98104
King County (206) 744-3370
MARIA LEE LICSW
Social Worker (Clinical)
325 NINTH AVE., HARBORVIEW HOSPITAL
SEATTLE, WA 98104
King County (206) 744-1600

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 Sean Nguyen's NPI number?

The NPI number for Sean Nguyen is 1265798391. It was assigned to this individual provider in the NPPES registry on April 3, 2012.

Where is Sean Nguyen located?

Sean Nguyen practices at 325 Ninth Ave. Ms# 359702, Seattle, WA 98104. The listed phone number is (206) 744-2556.

What is Sean Nguyen's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Sean Nguyen enrolled in Medicare?

Yes. Sean Nguyen 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.

Is Sean Nguyen affiliated with any hospitals?

According to CMS data, Sean Nguyen is affiliated with Valley Medical Center.

When was this NPI record last updated?

The NPPES record for Sean Nguyen was last updated on December 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.