What is Hien Nguyen's NPI number?

Hien Nguyen's National Provider Identifier (NPI) is 1134562127, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Hien Nguyen's specialty?

Hien Nguyen is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).

Where is Hien Nguyen located?

Hien Nguyen's practice location on file with NPPES is 33431 13th Pl S, Federal Way, WA 98003-6357.

What is Hien Nguyen's phone number?

The practice phone number listed in the NPPES registry for Hien Nguyen is (253) 874-7634.

Does Hien Nguyen accept Medicare?

Hien Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Hien Nguyen's NPI active?

Yes — Hien Nguyen's NPI (1134562127) is active in the NPPES registry as of the last update on 2026-06-04.

IndividualActiveAccepts Medicare

Hien Nguyen, MD

NPI 1134562127 · Pediatrics Physician · Federal Way, WA

Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Hien Nguyen, MD is a Pediatrics Physician provider in Federal Way, WA (NPI 1134562127).

Provider details

NPI number: 1134562127
Entity type: Individual
Primary specialty: Pediatrics PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: MD70101958 (WA)

Specialties & taxonomies

Pediatrics PhysicianPrimary208000000XLicense MD70101958 (WA)
Allopathic & Osteopathic Physicians
Pediatrics Physician208000000XLicense A135479 (CA)
Allopathic & Osteopathic Physicians
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Profile Score

Detailed profile(82/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
13 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
2 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

33431 13th Pl S

Federal Way, WA 98003-6357

Phone: (253) 874-7634

Fax: (253) 874-7635

Street-level locationGet directions

More WA providers

Mailing address

955 Powell Ave Sw

Renton, WA 98057-2908

Additional practice locations (1)

818 Webster Street
Oakland, CA 94607
Phone: (510) 986-6800
Fax: (510) 986-6896

Enumerated: 2013-04-10
Last updated: 2026-06-04
Certified: 2026-06-04

Frequently asked questions

What is Hien Nguyen's NPI number?: Hien Nguyen's National Provider Identifier (NPI) is 1134562127, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Hien Nguyen's specialty?: Hien Nguyen is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
Where is Hien Nguyen located?: Hien Nguyen's practice location on file with NPPES is 33431 13th Pl S, Federal Way, WA 98003-6357.
What is Hien Nguyen's phone number?: The practice phone number listed in the NPPES registry for Hien Nguyen is (253) 874-7634.
Does Hien Nguyen accept Medicare?: Hien Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Hien Nguyen's NPI active?: Yes — Hien Nguyen's NPI (1134562127) is active in the NPPES registry as of the last update on 2026-06-04.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.