Physician Profile
Nelly Tan, MD
Unclaimed ProfileAbout Dr. Tan
Based in Los Angeles, CA, Nelly Tan, MD is listed in the NPI registry under radiation oncology. Nelly graduated from University of California, Geffen School of Medicine in 2008. Nelly is also listed as specializing in diagnostic radiology. According to Medicare claims data, Nelly cared for 1,935 Medicare patients across 42,692 services. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, injection, gadoterate meglumine, 0.1 ml, and injection, gadobutrol, 0.1 ml.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (310) 957-9021
- Email not available
Practice Locations
757 WESTOOD PLZ RRUMC 1621; MAILCODE: 743730
Los Angeles, CA 90095
5777 E Mayo Blvd
Phoenix, AZ 85054
4500 San Pablo Rd S
Jacksonville, FL 32224
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
42,692 services · 1,935 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
359 | More than most peers in Radiation Oncology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
207 | More than most peers in Radiation Oncology |
| Mri scan of abdomen before and after contrast | Imaging | 74183 |
185 | Too few peers to compare |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
162 | More than most peers in Radiation Oncology |
| X-ray of abdomen, 1 view | Imaging | 74018 |
100 | Too few peers to compare |
| Mri scan of pelvis before and after contrast | Imaging | 72197 |
85 | Too few peers to compare |
| Mri scan of pelvis before and after contrast | Imaging | 72197 |
66 | Too few peers to compare |
| Mri scan of abdomen before and after contrast | Imaging | 74183 |
61 | Too few peers to compare |
| Ct scan of abdomen and pelvis before and after contrast | Imaging | 74178 |
52 | More often than most peers in Radiation Oncology |
| Imaging for evaluation of swallowing function | Imaging | 74230 |
40 | Too few peers to compare |
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 1
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 Los Angeles 8
Same specialty, same city.
Trained at University of California, Geffen 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 2008 at University of California, Geffen School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ct scan of abdomen and pelvis with contrast 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Tan specialize in?
Dr. Tan is a radiation oncologist in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Radiation Oncology”.
NPI registry
Where is Dr. Tan located?
Dr. Tan is listed at 757 Westood Plz Rrumc 1621; Mailcode: 743730, Los Angeles, CA 90095. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Tan's phone number?
The number on file is (310) 957-9021. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Tan's NPI number?
Dr. Tan's National Provider Identifier is 1871756254. 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. Tan go to medical school?
Dr. Tan attended University of California, Geffen School of Medicine, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Tan been practicing?
Dr. Tan has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Tan do most often?
According to Medicare billing data, Dr. Tan performs imaging including ct scan of abdomen and pelvis with contrast and mri scan of abdomen before and after contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Tan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tan. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.