JS
Dr. John Smirniotopoulos, MD
Baltimore, MD
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Smirniotopoulos, Diagnostic Radiologist in Baltimore, MD?
Dr. John Smirniotopoulos, MD is a Diagnostic Radiologist, who primarily practices in Baltimore, MD with 2 additional practice locations. Dr. Smirniotopoulos is fluent in English and French, and is currently seeing new patients. Dr. Smirniotopoulos’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Smirniotopoulos’s office at (202) 415-0142.
What languages does Dr. Smirniotopoulos speak?
Dr. Smirniotopoulos and their clinical team can communicate with patients in the following languages:
English
French
What conditions does a Diagnostic Radiologist like Dr. Smirniotopoulos typically treat?
As a Diagnostic Radiologist, Dr. Smirniotopoulos 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. Smirniotopoulos. 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:
- Gallstones
- Cholelithiasis
- Gallbladder stones
- Biliary calculi
ICD-10 Codes:
- K8020: Calculus of gallbladder without cholecystitis without obstruction
Also known as:
- Low Back Pain
- Back Pain
- Lumbago
- Lower Back Ache
- Backache
ICD-10 Codes:
- M5450: Low back pain, unspecified
Also known as:
- Pain in Right Knee
- Pain in Left Knee
- Knee Injuries and Disorder
- Pain
- Right Knee Ache
- Right Knee Discomfort
- Sore Right Knee
- Left Knee Ache
- Left Knee Discomfort
- Sore Left Knee
ICD-10 Codes:
- M25561: Pain in right knee
- M25562: Pain in left knee
Also known as:
- Fluid in Abdomen
- Liver Disease
- Ascites
- Abdominal fluid buildup
- Peritoneal fluid
ICD-10 Codes:
- R188: Other ascites
Also known as:
- Vertebrogenic Low Back Pain
- Back Pain
- vertebral low back pain
- spine-related low back pain
- discogenic low back pain
ICD-10 Codes:
- M5451: Vertebrogenic low back pain
Also known as:
- Tailbone Disorder
- Spine Injuries and Disorder
- Coccyx Disorder
- Sacrococcygeal Pain
- Tailbone Pain
ICD-10 Codes:
- M533: Sacrococcygeal disorders, not elsewhere classified
Also known as:
- Pleural Effusion
- Pleural Disorder
- Fluid in lungs
- Water on the lung
- Fluid around lungs
ICD-10 Codes:
- J90: Pleural effusion, not elsewhere classified
What procedures does a Diagnostic Radiologist like Dr. Smirniotopoulos typically perform?
As a Diagnostic Radiologist, Dr. Smirniotopoulos 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. Smirniotopoulos. 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:
- Genicular Nerve Block for Knee Pain
- Knee Nerve Ablation
- Genicular Nerve Neurolysis
- Nerve Destruction for Knee Pain
CPT Codes:
- 64624: Destruction by neurolytic agent, genicular nerve branches including imaging guidance, when performed
Also known as:
- Knee Nerve Pain Injection
- Genicular Nerve Block
- Knee Pain Steroid Injection
- Knee Nerve Anesthetic Injection
CPT Codes:
- 64454: Injection(s), anesthetic agent(s) and/or steroid; genicular nerve branches, including imaging guidance, when performed
Also known as:
- Heat Treatment for Back Pain Nerve (Basivertebral Nerve)
- Basivertebral nerve ablation
- Intraosseous nerve destruction
- Radiofrequency ablation for back pain
- Vertebral nerve thermal destruction
CPT Codes:
- 64628: Thermal destruction of intraosseous basivertebral nerve, including all imaging guidance; first 2 vertebral bodies, lumbar or sacral
Also known as:
- Sacroiliac Joint Nerve Ablation
- SI Joint Radiofrequency Ablation
- Nerve Burning for SI Joint Pain
- Sacroiliac Nerve Treatment
CPT Codes:
- 64625: Radiofrequency ablation, nerves innervating the sacroiliac joint, with image guidance (ie, fluoroscopy or computed tomography)
Also known as:
- Lumbar Transforaminal Epidural Injection
- TFESI (Lumbar)
- Nerve Root Block (Lumbar)
- Lower Back Nerve Injection with Imaging
CPT Codes:
- 64483: Injection(s), anesthetic agent(s) and/or steroid; transforaminal epidural, with imaging guidance (fluoroscopy or CT), lumbar or sacral, single level
Also known as:
- Bile Duct Stone Removal (Endoscopic)
- Gallstone Removal Endoscopy
- Biliary Calculus Extraction
- T-Tube Endoscopy for Stones
CPT Codes:
- 47554: Biliary endoscopy, percutaneous via T-tube or other tract; with removal of calculus/calculi
Also known as:
- Biliary Drainage Catheter Removal
- Percutaneous Biliary Catheter Removal
- Bile Duct Catheter Extraction
- Fluoroscopic Catheter Removal
CPT Codes:
- 47537: Removal of biliary drainage catheter, percutaneous, requiring fluoroscopic guidance (eg, with concurrent indwelling biliary stents), including diagnostic cholangiography when performed, imaging guidance (eg, fluoroscopy), and all associated radiological supervision and interpretation
Also known as:
- Gallbladder Drainage Tube Placement
- Percutaneous Cholecystostomy
- Gallbladder Catheter Placement
- Gallbladder Drainage Procedure
- P-Tube Gallbladder
CPT Codes:
- 47490: Cholecystostomy, percutaneous, complete procedure, including imaging guidance, catheter placement, cholecystogram when performed, and radiological supervision and interpretation
Does Dr. Smirniotopoulos accept my insurance?
Dr. Smirniotopoulos accepts most major insurance plans. Important: Please call our office at (202) 415-0142 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Smirniotopoulos accept in Baltimore, MD?
Dr. Smirniotopoulos in Baltimore, MD accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
BCBS Unspecified
CareFirst BlueCross BlueShield
Cigna Group
CVS Health (formerly Aetna)
District of Columbia
Federal government of the United States
Kaiser Permanente
Medicare
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Smirniotopoulos' office located?
Dr. John Smirniotopoulos' Primary Practice
3001 S Hanover St
Baltimore, MD 21225
(202) 415-0142
What is Dr. Smirniotopoulos's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Smirniotopoulos's National Provider Identifier (NPI) number is 1841618667.
What common questions do patients ask about Dr. Smirniotopoulos?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Smirniotopoulos
What is Dr. John Smirniotopoulos's specialty?
Dr. Smirniotopoulos is a Diagnostic Radiologist near Baltimore, MD.
What does a Diagnostic Radiologist do?
A radiologist is a medical doctor who specializes in using imaging technologies to diagnose, manage, and treat various medical conditions. Radiologists typically focus on Diagnostic Radiology, Interventional Radiology, or Radiation Oncology, and may also obtain certifications in a range of subspecialties, such as neuroradiology, musculoskeletal radiology, or pediatric radiology. Additionally, board certifications are available in Medical Physics, which ensures the safe and effective use of radiation in imaging and treatment. Radiologists collaborate with other healthcare professionals to interpret imaging results and help guide patient care decisions.
Is this Dr. John Smirniotopoulos affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Smirniotopoulos is affiliated with Medstar Washington Hospital Center, Medstar St. Mary's Hospital, Sentara Northern Virginia Medical Center 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 Diagnostic Radiologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Diagnostic Radiologist. 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 Smirniotopoulos accepting new patients in Baltimore, MD?
Yes, Dr. John Smirniotopoulos is accepting new patients at this time.
Does Dr. John Smirniotopoulos offer online booking?
Please contact Dr. Smirniotopoulos's office at (202) 415-0142 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Smirniotopoulos?
Please contact Dr. Smirniotopoulos's office at (202) 415-0142 for information regarding telehealth appointment availability or for scheduling assistance.
Other Diagnostic Radiologist Near Baltimore, MD
DM
Diagnostic Radiologist
Dr. Dimitri Merine, MD is a Diagnostic Radiologist, who primarily practices in Olney, MD with 2 additional practice locations. He has been practicing for over 35 years and is board certified.
Olney, MD

Diagnostic Radiologist
Dr. Syed Husain, DO is a Diagnostic Radiologist, who primarily practices in Baltimore, MD with 2 additional practice locations. He has been practicing for over 19 years.
Baltimore, MD
RR
Neuroradiologist
Dr. Rafi Raza, MD is a Neuroradiologist, who primarily practices in Baltimore, MD with 2 additional practice locations. He is board certified.
Baltimore, MD