Physician Profile
James Ernest Hansen, MD
Unclaimed ProfileAbout Dr. Hansen
Based in New Haven, CT, James Ernest Hansen, MD is listed in the NPI registry under radiation oncology. James graduated from Un of California, Irvine, College of Medicine in 2004. Medicare claims data shows James provided 923 services to 337 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
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (203) 200-2100
- Email not available
Practice Locations
35 PARK ST SMILOW CANCER HOSPITAL AT YALE-NEW HAVEN
New Haven, CT 06519
Procedures Most Often Billed to Medicare
923 services · 337 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Calculation of radiation therapy dose | Imaging | 77300 |
481 |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
188 |
| 3d radiation therapy planning | Imaging | 77295 |
55 |
| Complex radiation therapy planning | Imaging | 77263 |
55 |
| Management of complete single session course of cranial lesion surgery using radiation | Imaging | 77432 |
52 |
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
28 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
37 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
15 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
12 |
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 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 24 related providers in 4 groups
Other radiation oncology specialists in New Haven 5
Same specialty, same city.
Trained at Un of California, Irvine, College of Medicine 3
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Un of California, Irvine, College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Calculation of radiation therapy dose 8
Providers in CT who bill this service to Medicare most often.
Common questions
What does Dr. Hansen specialize in?
Dr. Hansen is a radiation oncology in New Haven, CT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “RADIATION ONCOLOGY”.
NPI registry
Where is Dr. Hansen located?
Dr. Hansen is listed at 35 PARK ST SMILOW CANCER HOSPITAL AT YALE-NEW HAVEN, New Haven, CT 06519. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Hansen's phone number?
The number on file is (203) 200-2100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Hansen?
Dr. Hansen's National Provider Identifier is 1356501589. 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. Hansen go to medical school?
Dr. Hansen attended Un of California, Irvine, College of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Hansen have?
Dr. Hansen has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Hansen do most often?
According to Medicare billing data, Dr. Hansen performs imaging including calculation of radiation therapy dose and design and construction of complex radiation treatment device, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Hansen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hansen. 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.