JW
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Wallmark, Hematology / Oncology Specialist in Bethesda, MD?
Dr. John Wallmark, MD is a Hematology / Oncology Specialist, who primarily practices in Bethesda, MD with 2 additional practice locations. He is board certified. Dr. Wallmark graduated from HAHNEMANN UNIVERSITY COLLEGE OF MEDICINE and completed his residency at Univ Of Pa Hlth System, Hematology/Oncology; Univ Of Nc Hosps, Internal Medicine. Dr. Wallmark is fluent in English and Spanish, and is currently seeing new patients. Dr. Wallmark’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Wallmark’s office at (301) 424-6231.
What are Areas of Expertise for Dr. Wallmark?
Dr. John Wallmark, 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. Wallmark empowers patients to confidently navigate their health journey, specializing in Breast Cancer, Leukemia & Lymphoma, Multiple Myeloma, and comprehensive wellness support. Serving the Bethesda, MD community, Dr. Wallmark is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Wallmark go to medical school and complete their residency?
Residency: Univ Of Pa Hlth System, Hematology/Oncology; Univ Of Nc Hosps, Internal Medicine | University Of Nc Hosps | University of Pennsylvania Health System Program
Medical School: HAHNEMANN UNIVERSITY COLLEGE OF MEDICINE | MCP HAHNEMANN UNIV (FORMERLY ALLEGHENY UNIV)
Is Dr. Wallmark board certified as a Hematology / Oncology Specialist?
Yes, Dr. John Wallmark, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Wallmark speak?
Dr. Wallmark and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Hematology / Oncology Specialist like Dr. Wallmark typically treat?
As a Hematology / Oncology Specialist, Dr. Wallmark 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. Wallmark. 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:
- Breast Cancer
- Upper-Outer Quadrant Right Female Breast Cancer
- Central Left Female Breast Cancer
- Female Breast Cancer
- Malignant Breast Tumor
- Breast Carcinoma
- Right female breast cancer upper-outer
- Upper-outer right female breast tumor
- Malignant growth in upper-outer right female breast
- Left female breast central tumor
- Malignant growth in central left female breast
ICD-10 Codes:
- C50412: Malignant neoplasm of upper-outer quadrant of left female breast
- C50411: Malignant neoplasm of upper-outer quadrant of right female breast
- C50112: Malignant neoplasm of central portion of left female breast
Also known as:
- Multiple Myeloma
- Plasma Cell Neoplasms (Including Multiple Myeloma) Treatment (PDQ®)
- Active multiple myeloma
- Untreated multiple myeloma
- Plasma cell myeloma
ICD-10 Codes:
- C9000: Multiple myeloma not having achieved remission
Also known as:
- Iron Deficiency Anemia from Chronic Blood Loss
- Anemia
- Iron
- Anemia due to iron deficiency and blood loss
- Chronic blood loss anemia
- Low iron anemia from bleeding
ICD-10 Codes:
- D500: Iron deficiency anemia secondary to blood loss (chronic)
What procedures does a Hematology / Oncology Specialist like Dr. Wallmark typically perform?
As a Hematology / Oncology Specialist, Dr. Wallmark 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. Wallmark. 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:
- Declotting of Vascular Access Device
- Catheter declotting
- Thrombolytic therapy for catheter
- Blocked port-a-cath treatment
- Vascular access device unblocking
CPT Codes:
- 36593: Declotting by thrombolytic agent of implanted vascular access device or catheter
Also known as:
- Bone Marrow Biopsy and Aspiration
- Biopsy
- Bone Marrow Tests
- Bone Marrow Exam
- Bone Marrow Sample Collection
- Diagnostic Bone Marrow Procedure
CPT Codes:
- 38222: Diagnostic bone marrow; biopsy(ies) and aspiration(s)
Does Dr. Wallmark accept my insurance?
Dr. Wallmark accepts most major insurance plans. Important: Please call our office at (301) 424-6231 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Wallmark accept in Bethesda, MD?
Dr. Wallmark in Bethesda, MD accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Commercial
All Other Third Party
BCBS Unspecified
CareFirst BlueCross BlueShield
CVS Health (formerly Aetna)
Federal government of the United States
Kaiser Permanente
Medicare
Riverside Health
Unknown
View All Insurances
Where is Dr. Wallmark's office located?
Dr. John Wallmark's Primary Practice
6420 Rockledge Dr Ste 4200
Bethesda, MD 20817
(301) 424-6231
What is Dr. Wallmark's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Wallmark's National Provider Identifier (NPI) number is 1689755365.
What common questions do patients ask about Dr. Wallmark?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Wallmark
What is Dr. John Wallmark's specialty?
Dr. Wallmark is a Hematology / Oncology Specialist near Bethesda, MD.
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. John Wallmark affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Wallmark is affiliated with Adventist Healthcare Shady Grove Medical Center, Suburban Hospital, Holy Cross Hospital - Silver Spring which are a Castle Connolly Top Hospitals. 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 John Wallmark accepting new patients in Bethesda, MD?
Yes, Dr. John Wallmark is accepting new patients at this time.
Does Dr. John Wallmark offer online booking?
Please contact Dr. Wallmark's office at (301) 424-6231 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Wallmark?
Please contact Dr. Wallmark's office at (301) 424-6231 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Wallmark have?
Dr. John Wallmark is certified by the American Board of Internal Medicine.
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