JC
17 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Clark, Internist in Huntsville, AL?
Dr. John Clark, MD is an Internist, who primarily practices in Huntsville, AL with 1 additional practice location. He has been practicing for over 17 years. Dr. Clark graduated from University of Alabama School of Medicine. Dr. Clark is fluent in English, and is currently seeing new patients. Dr. Clark’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Clark’s office at (256) 533-4626.
Where did Dr. Clark go to medical school and complete their residency?
Medical School: University of Alabama School of Medicine
What languages does Dr. Clark speak?
Dr. Clark and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Clark treat?
As an Internist, Dr. Clark 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. Clark. 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:
- End-Stage Kidney Disease
- Chronic Kidney Disease, Stage 3a
- Chronic Kidney Disease Stage 3b
- Chronic Kidney Disease, Stage 4 (Severe)
- Chronic Kidney Disease, Stage 2 (Mild)
- Chronic Kidney Disease from High Blood Pressure
- Chronic Kidney Disease Stage 5
- Kidney Failure
- Chronic Kidney Disease (CKD)
- Helping Your Child Adapt to Life with Chronic Kidney Disease
- Chronic Kidney Disease
- High Blood Pressure
- ESRD
- End-Stage Renal Failure
- CKD Stage 3a
- Moderate Chronic Kidney Disease
- CKD Stage 3b
- CKD Stage 4
- Severe Chronic Kidney Disease
- CKD Stage 2
- Mild Chronic Kidney Disease
- Hypertensive Chronic Kidney Disease
- High Blood Pressure Kidney Disease
- Hypertension-Related Kidney Disease
- CKD Stage 5
- End-Stage Renal Disease
ICD-10 Codes:
- N186: End stage renal disease
- N1831: Chronic kidney disease, stage 3a
- N1832: Chronic kidney disease, stage 3b
- N184: Chronic kidney disease, stage 4 (severe)
- N182: Chronic kidney disease, stage 2 (mild)
- I129: Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease
- N185: Chronic kidney disease, stage 5
Also known as:
- Acute Kidney Failure
- Kidney Failure
- Acute Renal Failure
- Sudden Kidney Failure
ICD-10 Codes:
- N179: Acute kidney failure, unspecified
Also known as:
- Narrowing of other blood vessel devices
- Other vascular device blockage
- Blood vessel implant narrowing
- Vascular graft stenosis
- Prosthetic vascular device blockage
ICD-10 Codes:
- T82858A: Stenosis of other vascular prosthetic devices, implants and grafts, initial encounter
Also known as:
- Low Sodium Levels
- Fluid and Electrolyte Balance
- Sodium
- Hyponatremia
- Low Blood Sodium
- Sodium Deficiency
ICD-10 Codes:
- E871: Hypo-osmolality and hyponatremia
Also known as:
- Blood Clot in Blood Vessel Device
- Blood Clots
- Vascular device thrombosis
- Clot in vascular implant
- Blood vessel graft blood clot
ICD-10 Codes:
- T82868A: Thrombosis due to vascular prosthetic devices, implants and grafts, initial encounter
Also known as:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
Also known as:
- Protein in Urine
- Urine and Urination
- Proteinuria
- Albuminuria
- Foamy urine
ICD-10 Codes:
- R809: Proteinuria, unspecified
Also known as:
- Arteriovenous Fistula Complication
- AV Fistula Problem
- Dialysis Fistula Issue
- Mechanical AV Fistula Complication
ICD-10 Codes:
- T82590A: Other mechanical complication of surgically created arteriovenous fistula, initial encounter
Also known as:
- Having a Kidney Transplant
- Kidney Transplantation
- Kidney Transplant
- Renal transplant
- Kidney replacement surgery
- Post-kidney transplant
ICD-10 Codes:
- Z940: Kidney transplant status
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Kidney Stones
- Renal Calculi
- Nephrolithiasis
- Kidney Calculi
ICD-10 Codes:
- N200: Calculus of kidney
Also known as:
- Dialysis Catheter Management
- Dialysis
- Dialysis catheter adjustment
- Extracorporeal catheter care
- Dialysis access maintenance
ICD-10 Codes:
- Z4901: Encounter for fitting and adjustment of extracorporeal dialysis catheter
Also known as:
- Vein Compression
- Vascular Disease
- Venous Compression Syndrome
- Pinched Vein
- Vein Entrapment
ICD-10 Codes:
- I871: Compression of vein
Also known as:
- Abnormal Kidney Function Test
- Kidney Disease
- Irregular Kidney Function Study
- Unusual Kidney Exam
- Kidney Disease Diagnosis
ICD-10 Codes:
- R944: Abnormal results of kidney function studies
What procedures does Dr. Clark perform?
As an Internist, Dr. Clark 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. Clark. 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:
- Dialysis Circuit Angioplasty with Balloon
- Dialysis Fistula Angioplasty
- Dialysis Graft Angioplasty
- Peripheral Dialysis Segment Angioplasty
CPT Codes:
- 36902: Introduction of needle(s) and/or catheter(s), dialysis circuit, with diagnostic angiography of the dialysis circuit, including all direct puncture(s) and catheter placement(s), injection(s) of contrast, all necessary imaging from the arterial anastomosis and adjacent artery through entire venous outflow including the inferior or superior vena cava, fluoroscopic guidance, radiological supervision and interpretation and image documentation and report; with transluminal balloon angioplasty, peripheral dialysis segment, including all imaging and radiological supervision and interpretation necessary to perform the angioplasty
Also known as:
- Intravascular Ultrasound (Non-Heart Vessels)
- Intravascular Ultrasound (Additional Non-Coronary Vessel)
- IVUS (Non-Coronary)
- Vessel Ultrasound
- Internal Artery Ultrasound
- IVUS for Blood Vessels
- Non-Coronary Vessel Ultrasound
- Internal Blood Vessel Imaging
CPT Codes:
- 37252: Intravascular ultrasound (noncoronary vessel) during diagnostic evaluation and/or therapeutic intervention, including radiological supervision and interpretation; initial noncoronary vessel (List separately in addition to code for primary procedure)
- 37253: Intravascular ultrasound (noncoronary vessel) during diagnostic evaluation and/or therapeutic intervention, including radiological supervision and interpretation; each additional noncoronary vessel (List separately in addition to code for primary procedure)
Also known as:
- Arterial Catheter Placement
- Selective Artery Catheterization
- Thoracic Artery Catheter
- Brachiocephalic Artery Catheter
CPT Codes:
- 36215: Selective catheter placement, arterial system; each first order thoracic or brachiocephalic branch, within a vascular family
Also known as:
- Dialysis Access Balloon Angioplasty
- Vein Balloon Angioplasty
- Dialysis Fistula Angioplasty
- Dialysis Graft Angioplasty
- Central Dialysis Segment Angioplasty
- AV Fistula Angioplasty
- Transluminal Venous Angioplasty
- Open Vein Angioplasty
- Percutaneous Vein Angioplasty
- Vein Widening Procedure
CPT Codes:
- 36907: Transluminal balloon angioplasty, central dialysis segment, performed through dialysis circuit, including all imaging and radiological supervision and interpretation required to perform the angioplasty (List separately in addition to code for primary procedure)
- 37248: Transluminal balloon angioplasty (except dialysis circuit), open or percutaneous, including all imaging and radiological supervision and interpretation necessary to perform the angioplasty within the same vein; initial vein
Also known as:
- Clearing Blocked Dialysis Access with Balloon and Clot Removal
- Dialysis Access Angioplasty and Stenting
- Dialysis Graft Thrombectomy
- Dialysis Fistula Angioplasty
- Dialysis Access Declotting
- Peripheral Dialysis Segment Repair
- Dialysis Fistula Repair
- Dialysis Graft Stenting
- Peripheral Dialysis Circuit Intervention
CPT Codes:
- 36905: Percutaneous transluminal mechanical thrombectomy and/or infusion for thrombolysis, dialysis circuit, any method, including all imaging and radiological supervision and interpretation, diagnostic angiography, fluoroscopic guidance, catheter placement(s), and intraprocedural pharmacological thrombolytic injection(s); with transluminal balloon angioplasty, peripheral dialysis segment, including all imaging and radiological supervision and interpretation necessary to perform the angioplasty
- 36903: Introduction of needle(s) and/or catheter(s), dialysis circuit, with diagnostic angiography of the dialysis circuit, including all direct puncture(s) and catheter placement(s), injection(s) of contrast, all necessary imaging from the arterial anastomosis and adjacent artery through entire venous outflow including the inferior or superior vena cava, fluoroscopic guidance, radiological supervision and interpretation and image documentation and report; with transcatheter placement of intravascular stent(s), peripheral dialysis segment, including all imaging and radiological supervision and interpretation necessary to perform the stenting, and all angioplasty within the peripheral dialysis segment
Also known as:
- Removal of Tunneled Central Venous Catheter
- Central Line Removal
- Tunneled Catheter Extraction
- Venous Access Device Removal
CPT Codes:
- 36589: Removal of tunneled central venous catheter, without subcutaneous port or pump
Also known as:
- Dialysis Access Check and Imaging
- Dialysis Circuit Angiography
- Fistula/Graft Evaluation
- Dialysis Access Diagnostic Procedure
CPT Codes:
- 36901: Introduction of needle(s) and/or catheter(s), dialysis circuit, with diagnostic angiography of the dialysis circuit, including all direct puncture(s) and catheter placement(s), injection(s) of contrast, all necessary imaging from the arterial anastomosis and adjacent artery through entire venous outflow including the inferior or superior vena cava, fluoroscopic guidance, radiological supervision and interpretation and image documentation and report;
Also known as:
- Central Venous Catheter Replacement
- Tunneled Catheter Exchange
- Central Line Replacement
- IV Catheter Change
CPT Codes:
- 36581: Replacement, complete, of a tunneled centrally inserted central venous catheter, without subcutaneous port or pump, through same venous access
Also known as:
- Long-Term Central Venous Catheter Insertion
- Tunneled central line placement
- Central venous access device insertion
- Hickman catheter insertion
- Broviac catheter insertion
CPT Codes:
- 36558: Insertion of tunneled centrally inserted central venous catheter, without subcutaneous port or pump; age 5 years or older
Also known as:
- Dialysis Access Thrombectomy and Stent Placement
- Dialysis Fistula Declotting with Stent
- Dialysis Graft Thrombectomy and Stenting
- Percutaneous Dialysis Circuit Intervention
CPT Codes:
- 36906: Percutaneous transluminal mechanical thrombectomy and/or infusion for thrombolysis, dialysis circuit, any method, including all imaging and radiological supervision and interpretation, diagnostic angiography, fluoroscopic guidance, catheter placement(s), and intraprocedural pharmacological thrombolytic injection(s); with transcatheter placement of intravascular stent(s), peripheral dialysis segment, including all imaging and radiological supervision and interpretation necessary to perform the stenting, and all angioplasty within the peripheral dialysis circuit
Also known as:
- Dialysis Access Vein Closure
- Permanent dialysis circuit occlusion
- Dialysis shunt embolization
- Vascular access occlusion
- Endovascular dialysis circuit closure
CPT Codes:
- 36909: Dialysis circuit permanent vascular embolization or occlusion (including main circuit or any accessory veins), endovascular, including all imaging and radiological supervision and interpretation necessary to complete the intervention (List separately in addition to code for primary procedure)
Does Dr. Clark accept my insurance?
Dr. Clark accepts most major insurance plans. Important: Please call our office at (256) 533-4626 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Clark accept in Huntsville, AL?
Dr. Clark in Huntsville, AL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Cross and Blue Shield of Alabama
CVS Health (formerly Aetna)
Department of Veterans Affairs
Express Scripts
Humana
Lowes
Medicare
State of Alabama
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Clark's office located?
Dr. John Clark's Primary Practice
2780 Bob Wallace Ave SW
Huntsville, AL 35805
(256) 533-4626
What is Dr. Clark's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Clark's National Provider Identifier (NPI) number is 1578631784.
What common questions do patients ask about Dr. Clark?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Clark
What is Dr. John Clark's specialty?
Dr. Clark is a Internist near Huntsville, AL.
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Contact Dr. Clark to book an appointment today.Is this Dr. John Clark affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Clark is affiliated with Huntsville Hospital, UAB Hospital 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
Where can I learn more about Internist?
Explore Internist 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 John Clark accepting new patients in Huntsville, AL?
Yes, Dr. John Clark is accepting new patients at this time.
Does Dr. John Clark offer online booking?
Please contact Dr. Clark's office at (256) 533-4626 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Clark?
Please contact Dr. Clark's office at (256) 533-4626 for information regarding telehealth appointment availability or for scheduling assistance.
Other Internist Near Huntsville, AL
CC
Nephrologist
Accepting patientsDr. Carlo Castillo, DO is a Nephrologist, who primarily practices in Huntsville, AL with 1 additional practice location.
Huntsville, AL
GG
Internist
Accepting patientsDr. George Gray, MD is an Internist, who primarily practices in Huntsville, AL with 1 additional practice location. He has been practicing for over 45 years.
Huntsville, AL
NS
Accepting patientsDr. Norman Sabio, MD is an Internist, who primarily practices in Huntsville, AL. He is board certified.
Huntsville, AL