Physician Profile
Unclaimed ProfileAbout DAY
Based in Tucson, AZ, Samuel Evan Day, MD, PhD is listed in the NPI registry under radiation oncology. Samuel graduated from University of Colorado School of Medicine, Denver in 2014. According to Medicare claims data, Samuel cared for 1,922 Medicare patients across 14,897 services.
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
- (520) 881-0631
- Email not available
Practice Locations
3700 E FORT LOWELL RD STE 130
Tucson, AZ 85716
Procedures Most Often Billed to Medicare
14,897 services · 1,922 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
1,195 |
| Calculation of radiation therapy dose | Imaging | 77300 |
346 |
| Continuing radiation therapy consultation per week | Imaging | 77336 |
330 |
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
308 |
| Nuclear medicine study from skull base to mid-thigh with ct scan | Imaging | 78815 |
180 |
| Cranial lesion surgery using radiation over multiple sessions | Imaging | 77373 |
180 |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
165 |
| Complex radiation therapy planning | Imaging | 77263 |
114 |
| Design and construction of radiation treatment device for high precision radiation therapy | Imaging | 77338 |
103 |
| High precision radiation therapy planning | Imaging | 77301 |
97 |
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 1
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.
Other radiation oncology specialists in Tucson 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Colorado School of Medicine, Denver 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at University of Colorado School of Medicine, Denver 8
Providers who graduated from the same medical school in the same year.
Also performs Ct guidance for insertion of radiation therapy fields 8
Providers in AZ who bill this service to Medicare most often.
Common questions
What does Dr. Day specialize in?
Dr. Day is a radiation oncology in Tucson, AZ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “RADIATION ONCOLOGY”.
NPI registry
Where is Dr. Day located?
Dr. Day is listed at 3700 E FORT LOWELL RD STE 130, Tucson, AZ 85716. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Day's phone number?
The number on file is (520) 881-0631. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Day's NPI number?
Dr. Day's National Provider Identifier is 1811304652. 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
Where did Dr. Day go to medical school?
Dr. Day attended University of Colorado School of Medicine, Denver, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Day been practicing?
Dr. Day has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Day do most often?
According to Medicare billing data, Dr. Day 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
Has Dr. Day confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Day. 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.