ED
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Diamond, Hematology / Oncology Specialist in Berkeley Heights, NJ?
Dr. Elan Diamond, MD is a Hematology / Oncology Specialist, who primarily practices in Berkeley Heights, NJ with 2 additional practice locations. He is board certified. Dr. Diamond is fluent in English, Hebrew, and Spanish, and is currently seeing new patients. Dr. Diamond’s practice accepts Medicare, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Diamond’s office at (973) 873-7000.
What are Areas of Expertise for Dr. Diamond?
Dr. Elan Diamond, MD is a highly-rated, board-certified Hematology / Oncology Specialist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Diamond empowers patients to confidently navigate their health journey, specializing in Bladder Cancer, Kidney Cancer, Prostate Cancer, Testicular Cancer, and comprehensive wellness support. Serving the Berkeley Heights, NJ community, Dr. Diamond is dedicated to enhancing lives through expert, patient-centered care.
Is Dr. Diamond board certified as a Hematology / Oncology Specialist?
Yes, Dr. Elan Diamond, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Diamond speak?
Dr. Diamond and their clinical team can communicate with patients in the following languages:
English
Hebrew
Spanish
What conditions does a Hematology / Oncology Specialist like Dr. Diamond typically treat?
As a Hematology / Oncology Specialist, Dr. Diamond 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. Diamond. 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. Learn more about our claims-based healthcare methodology.
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:
- Bladder Cancer
- Kidney Cancer
- Urinary Bladder Cancer
- Bladder Tumor
- Urothelial Carcinoma of Bladder
- Renal Cancer
- Kidney Tumor
- Renal Cell Carcinoma
ICD-10 Codes:
- C678: Malignant neoplasm of overlapping sites of bladder
- C641: Malignant neoplasm of right kidney, except renal pelvis
Also known as:
- Bladder Cancer
- Urinary Bladder Cancer
- Bladder Carcinoma
ICD-10 Codes:
- C679: Malignant neoplasm of bladder, unspecified
Also known as:
- Anemia
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
ICD-10 Codes:
- D649: Anemia, unspecified
Also known as:
- Kidney Cancer
- Renal cancer
- Kidney carcinoma
- Renal cell carcinoma
ICD-10 Codes:
- C642: Malignant neoplasm of left kidney, except renal pelvis
Also known as:
- Cancer Chemotherapy
- Chemo treatment
- Oncology chemotherapy
- Cancer drug therapy
ICD-10 Codes:
- Z5111: Encounter for antineoplastic chemotherapy
Also known as:
- High Cholesterol
- Cholesterol
- Hypercholesterolemia
- High blood cholesterol
- Elevated cholesterol
ICD-10 Codes:
- E7800: Pure hypercholesterolemia, unspecified
What procedures does a Hematology / Oncology Specialist like Dr. Diamond typically perform?
As a Hematology / Oncology Specialist, Dr. Diamond 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. Diamond. 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Blood Transfusion
- Blood Transfusion and Donation
- Blood product transfusion
- Red blood cell transfusion
- Plasma transfusion
CPT Codes:
- 36430: Transfusion, blood or blood components
Also known as:
- Bladder Cancer Medicine Instillation
- Intravesical Chemotherapy
- Bladder Drug Instillation
- Anticancer Bladder Treatment
CPT Codes:
- 51720: Bladder instillation of anticarcinogenic agent (including retention time)
Does Dr. Diamond accept my insurance?
Dr. Diamond accepts most major insurance plans. Important: Please call our office at (973) 873-7000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Diamond accept in Berkeley Heights, NJ?
Dr. Diamond in Berkeley Heights, NJ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Carepoint Health
Cigna Group
CVS Health (formerly Aetna)
Horizon BlueCross BlueShield
Humana
Medicare
Not Specified
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Diamond's office located?
Dr. Elan Diamond's Primary Practice
1 Diamond Hill Rd
Berkeley Heights, NJ 07922
(973) 873-7000
Recognitions
Castle Connolly Doctor’s Choice Awards
Doctor’s Choice - 2025
Among the most nominated for the Castle Connolly Top Doctor recognition in 2025
What is Dr. Diamond's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Diamond's National Provider Identifier (NPI) number is 1659530608.
What common questions do patients ask about Dr. Diamond?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Diamond
What is Dr. Elan Diamond's specialty?
Dr. Diamond is a Hematology / Oncology Specialist near Berkeley Heights, NJ.
What does a Hematology / Oncology Specialist do?
An internist doctor of osteopathy specializing in the combined treatment of hematology and oncology disorders. A doctor of osteopathy who is board eligible or certified by the American Osteopathic Board of Internal Medicine was previously able to obtain a Certificate of Special Qualifications in Hematology and Oncology; however, this certificate is no longer available.
Is this Dr. Elan Diamond affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Diamond is affiliated with Holy Name Medical Center which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They 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
When to see a Hematology / Oncology Specialist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Hematology / Oncology Specialist. Explore 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 Elan Diamond accepting new patients in Berkeley Heights, NJ?
Yes, Dr. Elan Diamond is accepting new patients at this time.
Does Dr. Elan Diamond offer online booking?
Please contact Dr. Diamond's office at (973) 873-7000 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Elan Diamond?
Please contact Dr. Diamond's office at (973) 873-7000 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Elan Diamond have?
Dr. Elan Diamond is certified by the American Board of Internal Medicine.
Other Hematology / Oncology Specialist Near Berkeley Heights, NJ

Hematology / Oncology Specialist
Dr. Michael Wax, MD is a Hematology / Oncology Specialist, who primarily practices in Berkeley Heights, NJ. He is board certified.
Berkeley Heights, NJ
AG
Dr. Andrew Gumbs, MD is a Surgical Oncologist, who primarily practices in Philadelphia, PA with 1 additional practice location.
Philadelphia, PA

Surgical Oncologist
Dr. Scott Hanan, MD is a Surgical Oncologist, who primarily practices in Berkeley Heights, NJ with 2 additional practice locations. He has been practicing for over 29 years and is board certified.
Berkeley Heights, NJ