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Edit this profileAt a glance
- 20 York St, Yale-New Haven Hospital, New Haven, CT 06510
About Dr. An
Based in New Haven, CT, Yi An, MD is listed in the NPI registry under radiation oncology. Yi graduated from Stanford University School of Medicine in 2013. Yi is also listed as specializing in student in an organized health care education program. Medicare claims data shows Yi provided 1,515 services to 784 patients. The services billed most often include ct guidance for insertion of radiation therapy fields, calculation of radiation therapy dose, and radiation treatment management, 5 treatment sessions. NPI 1669714739 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (203) 688-4242
- Email not available
Practice Locations
20 YORK ST YALE-NEW HAVEN HOSPITAL
New Haven, CT 06510
Conditions Commonly Evaluated or Treated
Within Radiation Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Benign condition
Blood and lymph cancer
Bone cancer
Brain tumors
Cancer emergencies
Chest cancer
Endocrine cancer
Eye cancer
Eye conditions
Foot conditions
Gastrointestinal cancer
- Anal cancer
- Bile duct cancer
- Colon cancer
- Esophageal cancer
- Gallbladder cancer
- Liver cancer
- Pancreatic cancer
- Stomach cancer
Gynecologic cancer
Head & neck cancer
Head and neck cancer
Metastatic cancer
Neurologic condition
Orthopedic conditions
Sarcoma
Skin cancer
Thoracic cancer
Urologic cancer
Vascular conditions
Procedures & services
Most searched procedures
Advanced radiation
Benign treatment
Brain radiation
Cancer treatment
Central nervous system
Consultation
External radiation
- Electron beam therapy
- Image-guided radiation (IGRT)
- IMRT (Targeted intensity radiation)
- RapidArc / VMAT radiation
- Total body irradiation (TBI)
Eye cancer treatment
Follow-up care
Heart treatments
Internal radiation
Pain and symptom relief
Particle therapy
Precision radiation
- Adaptive radiation therapy
- Heart-sparing breath hold radiation (DIBH)
- Spine radiosurgery
- Stereotactic body radiation (SBRT)
- Stereotactic radiosurgery (SRS)
- Tattoo-free radiation
Prostate cancer treatment
Prostate protection
Radiation therapy
Skin cancer treatment
Skin lymphoma treatment
Specialized radiation
Targeted isotopes
Targeted radiation drugs
Treatment planning
Procedures Most Often Billed to Medicare
1,515 services · 784 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
354 | As often as other peers in Radiation Oncology |
| Calculation of radiation therapy dose | Imaging | 77300 |
261 | More often than most peers in Radiation Oncology |
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
164 | As often as other peers in Radiation Oncology |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
156 | More often than most peers in Radiation Oncology |
| Complex radiation therapy planning | Imaging | 77263 |
78 | More often than most peers in Radiation Oncology |
| Design and construction of radiation treatment device for high precision radiation therapy | Imaging | 77338 |
39 | As often as other peers in Radiation Oncology |
| High precision radiation therapy planning | Imaging | 77301 |
38 | As often as other peers in Radiation Oncology |
| 3d radiation therapy planning | Imaging | 77295 |
36 | More often than most peers in Radiation Oncology |
| Management of complete single session course of cranial lesion surgery using radiation | Imaging | 77432 |
20 | As often as other peers in Radiation Oncology |
| Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | Imaging | 77290 |
17 | Less often than most peers in Radiation Oncology |
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.
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 oncologists in New Haven 8
Same specialty, same city.
Trained at Stanford University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2013 at Stanford University School of Medicine 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 CT who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. An?
Dr. An is a radiation oncologist in New Haven, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Radiation Oncology”.
NPI registry
What is Dr. An's address?
Dr. An is listed at 20 York St Yale-New Haven Hospital, New Haven, CT 06510. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. An?
The number on file is (203) 688-4242. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. An?
Dr. An's National Provider Identifier is 1669714739. 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. An train?
Dr. An attended Stanford University School of Medicine, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. An have?
Dr. An has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. An perform?
According to Medicare billing data, Dr. An 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. An's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. An. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.