Physician Profile
Unclaimed ProfileAbout CHAN
Roscoe Ho-Keung Chan, MD, FRCPC practices radiation oncology in Prescott, AZ. Medicare claims data shows Roscoe provided 1,593 services to 494 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (928) 776-1040
- Email not available
Practice Locations
1100 GAIL GARDNER WAY
Prescott, AZ 86305
Procedures Most Often Billed to Medicare
1,593 services · 494 patients · 19 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
361 |
| Calculation of radiation therapy dose | Imaging | 77300 |
158 |
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
120 |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
101 |
| Continuing radiation therapy consultation per week | Imaging | 77336 |
93 |
| Complex radiation therapy planning | Imaging | 77263 |
35 |
| Design and construction of radiation treatment device for high precision radiation therapy | Imaging | 77338 |
26 |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
26 |
| High precision radiation therapy planning | Imaging | 77301 |
23 |
| 3d radiation therapy planning | Imaging | 77295 |
16 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other radiation oncology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1989 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Ct guidance for insertion of radiation therapy fields 7
Providers in AZ who bill this service to Medicare most often.
Common questions
What is Dr. Chan's specialty?
Dr. Chan is a radiation oncology in Prescott, AZ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “RADIATION ONCOLOGY”.
NPI registry
Where can I find Dr. Chan?
Dr. Chan is listed at 1100 GAIL GARDNER WAY, Prescott, AZ 86305. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Chan?
The number on file is (928) 776-1040. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Chan?
Dr. Chan's National Provider Identifier is 1891792941. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Chan's medical education?
Dr. Chan attended Other, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Chan have?
Dr. Chan has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Chan known for?
According to Medicare billing data, Dr. Chan performs imaging including ct guidance for insertion of radiation therapy fields and calculation of radiation therapy dose, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Chan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chan. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.