RA
36 Years of Experience
Accepting patients
Who is Dr. Ash, Radiation Oncologist in Orange, CA?
Dr. Robert Ash, MD is a Radiation Oncologist, who primarily practices in Orange, CA with 2 additional practice locations. He has been practicing for over 36 years. Dr. Ash is fluent in English and Spanish, and is currently seeing new patients. Dr. Ash’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare, Aetna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ash’s office at (714) 734-6250.
What are Areas of Expertise for Dr. Ash?
Dr. Robert Ash, MD is a highly-rated, board-certified Radiation Oncologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Ash empowers patients to confidently navigate their health journey, specializing in Brachytherapy, Genitourinary Cancer, Stereotactic Radiosurgery, Thoracic Cancers, or comprehensive wellness support. Serving the Orange/CA community, Dr. Ash is dedicated to enhancing lives through expert, patient-centered care.
What languages does Dr. Ash speak?
Dr. Ash and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Ash treat?
As a Radiation Oncologist, Dr. Ash diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Ash. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Cancer Radiation Therapy
- Radiation Therapy
- Radiation Therapy to Treat Cancer
- Radiation treatment for cancer
- Oncology radiation
- Radiotherapy
ICD-10 Codes:
- Z510: Encounter for antineoplastic radiation therapy
Also known as:
- Prostate Cancer
- Prostate Cancer Treatment (PDQ®)
- Prostatic Carcinoma
- Prostate Gland Cancer
- Malignant Prostate Tumor
ICD-10 Codes:
- C61: Malignant neoplasm of prostate
Also known as:
- Cancer Follow-up Exam
- Secondary Bone Cancer
- Secondary Brain Cancer
- Cancer
- Bone Cancer
- Brain Tumor
- Post-cancer treatment checkup
- Malignancy surveillance
- Oncology follow-up
- Metastatic bone cancer
- Cancer spread to bone
- Bone metastases
- Metastatic brain cancer
- Brain metastases
- Cancer spread to brain
ICD-10 Codes:
- Z08: Encounter for follow-up examination after completed treatment for malignant neoplasm
- C7951: Secondary malignant neoplasm of bone
- C7931: Secondary malignant neoplasm of brain
Also known as:
- Colorectal Cancer
- Rectal cancer
- Colon cancer
- Bowel cancer
- Malignant neoplasm of rectum
ICD-10 Codes:
- C20: Malignant neoplasm of rectum
Also known as:
- Breast Cancer
- Female Breast Cancer
- Malignant Breast Tumor
- Breast Carcinoma
ICD-10 Codes:
- C50412: Malignant neoplasm of upper-outer quadrant of left female breast
What procedures does Dr. Ash perform?
As a Radiation Oncologist, Dr. Ash performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Ash. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- High-Dose Rate Skin Brachytherapy
- Electronic Brachytherapy
- Surface Radiation Therapy
- Skin Cancer Radiation
- HDR Brachytherapy
CPT Codes:
- 0394T: High dose rate electronic brachytherapy, skin surface application, per fraction, includes basic dosimetry, when performed
Also known as:
- Swallowing Therapy
- Dysphagia Treatment
- Feeding Therapy
- Oral Function Therapy
CPT Codes:
- 92526: Treatment of swallowing dysfunction and/or oral function for feeding
Also known as:
- Swallowing Function Test
- Dysphagia Tests
- Dysphagia Evaluation
- Oral Swallowing Assessment
- Pharyngeal Swallowing Test
- Swallowing Study
CPT Codes:
- 92610: Evaluation of oral and pharyngeal swallowing function
Also known as:
- Prostate Radiation Guidance Marker Placement
- Prostate fiducial marker insertion
- Radiation therapy guidance markers
- Prostate dosimeter placement
- Needle placement for prostate radiation
CPT Codes:
- 55876: Placement of interstitial device(s) for radiation therapy guidance (eg, fiducial markers, dosimeter), prostate (via needle, any approach), single or multiple
Does Dr. Ash accept my insurance?
Dr. Ash accepts most major insurance plans. Important: Please call our office at (714) 734-6250 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Ash accept in Orange, CA?
Dr. Ash in Orange, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
CalOptima
Centene
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
HealthComp
Medicare
St. Joseph Health System (CA)
UnitedHealthcare
View All Insurances
Where is Dr. Ash's office located?
What is Dr. Ash's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Ash's National Provider Identifier (NPI) number is 1326238650.
What common questions do patients ask about Dr. Ash?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ash
What is Dr. Robert Ash's specialty?
Dr. Ash is a Radiation Oncologist near Orange, CA. A radiological oncologist specializes in the therapeutic applications of radiant energy and its modifiers. They focus on the study and management of diseases, particularly malignant tumors. Contact Dr. Ash to book an appointment today.
Is this Dr. Robert Ash affiliated with a ranked Castle Connolly Top Hospital?
No, Ash is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Providence St. Joseph Hospital Orange. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Radiation Oncologist?
Explore Radiation Oncologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Robert Ash accepting new patients in Orange, CA?
Yes, Dr. Robert Ash is accepting new patients at this time.
Does Dr. Robert Ash offer online booking?
Please contact Dr. Ash's office at (714) 734-6250 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Robert Ash?
Please contact Dr. Ash's office at (714) 734-6250 for information regarding telehealth appointment availability or for scheduling assistance.
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