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DR. POWELL SHIAU DC
NPI 1497411458
Chiropractor in Washington, DC

Active since November 15, 2021Accepts Medicare Assignment
501 SCHOOL ST SW STE 210, WASHINGTON, DC 20024(202) 599-9069(202) 217-4338 Get Directions Write a Review

NPPES record last updated: September 18, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 18, 2025, Aug 5, 2025, Nov 15, 2021 (3 updates tracked since 2021).

About Dr. Powell Shiau Dc NPPES

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

DR. POWELL SHIAU DC (NPI 1497411458) is an individual chiropractor in Washington, District Of Columbia, licensed in District Of Columbia (CH21000002) and active in the NPI registry since November 2021. He is a graduate of Palmer College Chiropractic - Davenport (2021).

NPPES Registry Identity

NPI1497411458
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. POWELL SHIAUCredential: DC
Location Address501 SCHOOL ST SW STE 210Washington, DC 20024-2820
Mailing Address2009 S Randolph StArlington, VA 22204-5125 · (202) 599-9069 · Fax (202) 217-4338
Phone(202) 599-9069
Fax(202) 217-4338
Sole ProprietorNo
Medical School CMSPalmer College Chiropractic - DavenportGraduated 2021
Enumeration DateNovember 15, 2021
Last NPPES UpdateSeptember 18, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2025
✔ NPI 1497411458 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in DC · CH21000002
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
Also ListedAcupuncturistTaxonomy 171100000X · License CH21000002 (DC)
501 SCHOOL ST SW STE 210, Washington, DC 20024
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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

Dr. Powell Shiau Dc 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 ID5597155101
PECOS Enrollment IDI20211214000056

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.

Chiropractic manipulative treatment, 3-4 spinal regions 98941
Chiropractic manipulative treatment for 3-4 spinal regions involves a trained professional applying controlled force to specific areas of your spine. This can help alleviate pain, improve physical function, and support your body's natural healing process.
75 services18 patients

Other Providers at the Same Location NPPES

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

DISTRICT INJURY AND SPINE CENTER
Chiropractor
501 SCHOOL ST SW STE 210
WASHINGTON, DC 20024
District of Columbia (202) 599-9069

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 Powell Shiau's NPI number?

The NPI number for Powell Shiau is 1497411458. It was assigned to this individual provider in the NPPES registry on November 15, 2021.

Where is Powell Shiau located?

Powell Shiau practices at 501 School St SW Ste 210, Washington, DC 20024. The listed phone number is (202) 599-9069.

What is Powell Shiau's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Powell Shiau enrolled in Medicare?

Yes. Powell Shiau 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.

When was this NPI record last updated?

The NPPES record for Powell Shiau was last updated on September 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.