Roscoe Ho-Keung Chan, MD, FRCPC

Radiation Oncology (CMS) · Prescott, AZ

Call (928) 776-1040 Directions

At a glance

1100 Gail Gardner Way, Prescott, AZ 86305-1690

NPPES record updated Jan 27, 2026. Public records can lag behind changes at a practice.

Before you call: a quick checklist

Are you accepting new patients?
Do you accept my specific insurance plan?
Do you provide the service I need at this address?
Do I need a referral, and what is the earliest appointment?

Insurance participation and appointment availability are not established by these public records.

Medicare & insurance

Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.

How to check your coverage

Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.

Check the official Medicare directory ↗

Practice location

1100 Gail Gardner Way
Prescott, AZ 86305-1690

Additional reported practice locations

840 E Hill Ave
Moses Lake, WA 988372238
Phone: 5096621511

1455 Higdon Ferry Rd Ste C
Hot Springs, AR 719136456
Phone: 5016222100
Fax: 5016222214

1 Saint Mary Pl
Dept Of Radiation Oncology
Shreveport, LA 711014343
Phone: 3186814126
Fax: 3186816574

REPORTED BACKGROUND

Education & affiliations

Medical / professional school: Not reported in this file
Graduation year: 1989
CMS specialties: Radiation Oncology

Practice groups

Reported hospital affiliations

Banner - University Medical Center Tucson Campus Tucson, AZ
Confluence Health Hospital Wenatchee, WA
Emanuel Medical Center Turlock, CA
Kingman Regional Medical Center Kingman, AZ

Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.

Source: CMS National Downloadable File · Published Oct 15, 2026.

Source: CMS Facility Affiliation Data · Published Oct 15, 2026.

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PUBLISHED MEDICARE ACTIVITY

Procedures in the public data

Reported activity can help you ask more informed questions about a practice’s services.

No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.

CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology

Source: CMS Utilization Data · Published Oct 15, 2026.

Find providers with a similar service mix

Compare 2024 published Medicare activity in the same reported specialty, here or in another city.

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PAYMENT TRANSPARENCY

Industry-reported general payments

$218.75General payments · 2025

4Reported transactions

3Reporting companies

Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.

See payment purposes and reporting companies

Reported purposes

Purpose	Amount
Food and beverage	$218.75

Reporting companies

Company	Amount
TELEFLEX LLC	$168.91
SIEMENS MEDICAL SOLUTIONS USA, INC.	$31.92
REGENERON HEALTHCARE SOLUTIONS, INC.	$17.92

View official Open Payments profile ↗

Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.

Professional details: NPI, taxonomy & registry record

NPI1891792941

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Registry details

Primary taxonomy: Radiation Oncology (CMS)
Taxonomy code: 2085R0001X
Enumeration date: Jul 5, 2005
Record updated: Jan 27, 2026

More registry details

Provider type: Individual · Type 1
Reported credentials: MD, FRCPC