CHIA-YUAN HSU
NPI 1154909828
Internal Medicine in Saint Louis, MO

Active since April 01, 2021PECOS Enrolled
3721 S GRAND BLVD, SAINT LOUIS, MO 63118(314) 328-0144 Get Directions Write a Review

NPPES record last updated: April 24, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 24, 2024, Apr 1, 2021 (2 updates tracked since 2021).

About Chia-yuan Hsu NPPES

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

CHIA-YUAN HSU (NPI 1154909828) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (2023050310) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154909828
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameCHIA-YUAN HSU
Location Address3721 S GRAND BLVDSaint Louis, MO 63118-3405
Mailing Address3721 S Grand BlvdSaint Louis, MO 63118-3405 · (314) 328-0144
Sole ProprietorYes
Enumeration DateApril 1, 2021
Last NPPES UpdateApril 24, 20242 updates tracked since enumeration
NPPES CertifiedApril 24, 2024
NPI 1154909828 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MO · 2023050310
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3721 S GRAND BLVD, Saint Louis, MO 63118

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Chia-yuan Hsu is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63118 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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.

Other Providers at the Same Location NPPES 7

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

Non-Pharmacy Dispensing Site
3721 S GRAND BLVD
SAINT LOUIS, MO 63118
Nurse Practitioner (Adult Health)
3721 S GRAND BLVD
SAINT LOUIS, MO 63118
Family Medicine
3721 S GRAND BLVD
SAINT LOUIS, MO 63118
Family Medicine
3721 S GRAND BLVD
SAINT LOUIS, MO 63118
Family Medicine
3721 S GRAND BLVD
SAINT LOUIS, MO 63118
Nurse Practitioner (Family)
3721 S GRAND BLVD
SAINT LOUIS, MO 63118
Family Medicine
3721 S GRAND BLVD
SAINT LOUIS, MO 63118

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 Chia-yuan Hsu's NPI number?

The NPI number for Chia-yuan Hsu is 1154909828. It was assigned to this individual provider in the NPPES registry on April 1, 2021.

Where is Chia-yuan Hsu located?

Chia-yuan Hsu practices at 3721 S Grand Blvd, Saint Louis, MO 63118. The listed phone number is (314) 328-0144.

What is Chia-yuan Hsu's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Chia-yuan Hsu enrolled in Medicare?

Yes. Chia-yuan Hsu is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Chia-yuan Hsu was last updated on April 24, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.