Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CHO-YEN CHIOU M.D.
NPI 1124079470
Internal Medicine in Asheville, NC

Active since May 12, 2006PECOS Enrolled
1100 TUNNEL RD, ASHEVILLE, NC 28805(828) 298-7911 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Cho-yen Chiou M.d. NPPES

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

CHO-YEN CHIOU M.D. (NPI 1124079470) is an individual internal medicine provider in Asheville, North Carolina and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1124079470
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameCHO-YEN CHIOUCredential: M.D.
Location Address1100 TUNNEL RDAsheville, NC 28805-2043
Mailing Address1028 Columbine RdAsheville, NC 28803-1951
Sole ProprietorNo
Enumeration DateMay 12, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPI 1124079470 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
1100 TUNNEL RD, Asheville, NC 28805

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Cho-yen Chiou M.d. 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 28805 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
$125.01 typical visit price
range $54.12 – $165.09
Typical copayment $31.25 (range $13.53 – $41.27)
Most-billed visit code 99204
Established Patient
$95.94 typical visit price
range $17.21 – $134.61
Typical copayment $23.98 (range $4.30 – $33.65)
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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
2 suppliers21 claims21 services$209.57 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Social Worker (Clinical)
1100 TUNNEL RD
ASHEVILLE, NC 28805
Respiratory Therapist, Registered (Pulmonary Function Technologist)
1100 TUNNEL RD
ASHEVILLE, NC 28805
Nurse Practitioner (Family)
1100 TUNNEL RD
ASHEVILLE, NC 28805
Social Worker (Clinical)
1100 TUNNEL RD
ASHEVILLE, NC 28805
Student in an Organized Health Care Education/Training Program
1100 TUNNEL RD
ASHEVILLE, NC 28805
Orthopaedic Surgery
1100 TUNNEL RD
ASHEVILLE, NC 28805
Social Worker (Clinical)
1100 TUNNEL RD
ASHEVILLE, NC 28805
Physician Assistant (Medical)
1100 TUNNEL RD
ASHEVILLE, NC 28805

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 Cho-yen Chiou's NPI number?

The NPI number for Cho-yen Chiou is 1124079470. It was assigned to this individual provider in the NPPES registry on May 12, 2006.

Where is Cho-yen Chiou located?

Cho-yen Chiou practices at 1100 Tunnel Rd, Asheville, NC 28805. The listed phone number is (828) 298-7911.

What is Cho-yen Chiou's specialty?

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

Is Cho-yen Chiou enrolled in Medicare?

Yes. Cho-yen Chiou is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Cho-yen Chiou was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.