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Edit this profileAt a glance
- 9055 E del Camino Dr, Ste 200, Scottsdale, AZ 85258
About Dr. Maggass
Based in Scottsdale, AZ, Gregory A. Maggass, MD is listed in the NPI registry under radiation oncology. Gregory graduated from Medical College of Wisconsin in 1983. Medicare claims data shows Gregory provided 2,900 services to 1,059 patients. The services billed most often include ct guidance for insertion of radiation therapy fields, intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session, and intra-fraction localization and tracking of target or patient motion during delivery of radiation therapy (eg,3d positional tracking, gating, 3d surface tracking), each fraction of treatment. NPI 1124093539 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
- (480) 922-4600
- Email not available
Practice Locations
9055 E DEL CAMINO DR STE 200
Scottsdale, AZ 85258
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
2,900 services · 1,059 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
588 | As often as other peers in Radiation Oncology |
| Calculation of radiation therapy dose | Imaging | 77300 |
248 | More often than most peers in Radiation Oncology |
| Continuing radiation therapy consultation per week | Imaging | 77336 |
181 | As often as other 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 radiation treatment device for high precision radiation therapy | Imaging | 77338 |
70 | More often than most peers in Radiation Oncology |
| High precision radiation therapy planning | Imaging | 77301 |
66 | More often than most peers in Radiation Oncology |
| Complex radiation therapy planning | Imaging | 77263 |
66 | More often than most peers in Radiation Oncology |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
53 | Less often than most peers in Radiation Oncology |
| Special radiation treatment | Imaging | 77470 |
41 | More often than most peers in Radiation Oncology |
| Special medical radiation therapy consultation | Imaging | 77370 |
30 | As often as other 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.
Other radiation oncologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
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 — 32 related providers in 4 groups
Other radiation oncologists in Scottsdale 8
Same specialty, same city.
Trained at Medical College of Wisconsin 8
Other providers in the same specialty who trained at the same institution.
Class of 1983 at Medical College of Wisconsin 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. Maggass specialize in?
Dr. Maggass is a radiation oncologist in Scottsdale, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Radiation Oncology”.
NPI registry
Where is Dr. Maggass located?
Dr. Maggass is listed at 9055 E del Camino Dr Ste 200, Scottsdale, AZ 85258. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Maggass's phone number?
The number on file is (480) 922-4600. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Maggass?
Dr. Maggass's National Provider Identifier is 1124093539. 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. Maggass go to medical school?
Dr. Maggass attended Medical College of Wisconsin, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Maggass have?
Dr. Maggass has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Maggass do most often?
According to Medicare billing data, Dr. Maggass 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. Maggass's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Maggass. If this is you, claiming it is free.
Guide.md
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