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- 8060 Wolf River Blvd, Germantown, TN 38138
About Dr. Gardner
John S. Gardner, MD is a healthcare provider in Germantown, TN specializing in interventional cardiology. John trained at University of Tennessee, Hsc, College of Medicine, graduating in 2006. John is also listed as specializing in cardiovascular disease. According to Medicare claims data, John cared for 3,460 Medicare patients across 4,332 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report, and ultrasound of heart with color-depicted blood flow, rate, direction and valve function. This provider record is associated with NPI 1184883852.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (901) 271-1000
- Email not available
Practice Locations
8060 WOLF RIVER BLVD
Germantown, TN 38138
Conditions Commonly Evaluated or Treated
Within Interventional Cardiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Artery blockages
- Aortic aneurysm
- Carotid Artery Blockage
- Completely Blocked Heart Artery
- Microvascular angina
- Re-Blocked Heart Stent
- Severely Calcified Heart Arteries
- Torn Heart Artery
Blood clots
Blood pressure
Chest symptoms
Circulation & veins
Coronary disease
Heart failure
Heart muscle
Heart muscle conditions
Heart rhythm
Heart rhythm & blood flow
Heart valves
Structural & congenital
Structural heart
Valve disease
Vascular disease
- Leg Cramps When Walking
- Narrow kidney artery
- Stomach Pain After Eating From Arteries
- Subclavian Steal Syndrome
Vein conditions
Procedures & services
Most searched procedures
- AFib ablation
- Angioplasty and stenting
- Cardiac catheterization
- Pacemaker implantation
- Watchman procedure
Artery procedures
- Atherectomy
- Carotid Artery Stent
- Drug-Coated Balloon Treatment
- Minimally Invasive Aneurysm Repair
- Opening Chronic 100% Blocked Heart Arteries
- Shockwave Plaque Busting In Heart Arteries
Blood pressure procedures
Circulation & limbs
Circulatory support
Clot procedures
- Catheter Blood Clot Removal From Legs
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
Coronary stenting
Diagnostic catheterization
Diagnostic tests
Diagnostics & monitoring
- Fractional flow reserve measurement
- Implantable Loop Recorder (Cardiac Monitor Implant)
- Intravascular ultrasound
Emergency heart procedures
Heart devices
Heart muscle
Heart support
Imaging & diagnostics
Stenting
Structural heart repair
Structural repair
Valve procedures
- Balloon Heart Valve Opening
- Leaky Artificial Heart Valve Repair
- Transcatheter aortic valve replacement
- Transcatheter mitral valve repair
- Transcatheter Pulmonary Valve Replacement
- TriClip Valve Repair
Valve replacement
Vein procedures
Procedures Most Often Billed to Medicare
4,332 services · 3,460 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
297 | More often than most peers in Interventional Cardiology |
| Repair of mitral valve through the skin, initial prosthesis | Procedure | 33418 |
26 | More often than most peers in Interventional Cardiology |
| Review by radiologist of abdominal aorta image | Imaging | 75625 |
28 | More often than most peers in Interventional Cardiology |
| Review by radiologist of both arms or legs arteries image | Imaging | 75716 |
23 | As often as other peers in Interventional Cardiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
714 | More often than most peers in Interventional Cardiology |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
517 | More often than most peers in Interventional Cardiology |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
194 | More than most peers in Interventional Cardiology |
| Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | Treatment | 93458 |
99 | More than most peers in Interventional Cardiology |
| Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch | Treatment | 92928 |
42 | More often than most peers in Interventional Cardiology |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
40 | As often as other peers in Interventional Cardiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other interventional cardiologists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 22 related providers in 4 groups
Other interventional cardiologists in Germantown 3
Same specialty, same city.
Trained at University of Tennessee, Hsc, College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2006 at University of Tennessee, Hsc, College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 3
Providers in TN who bill this service to Medicare most often.
Common questions
What is Dr. Gardner's specialty?
Dr. Gardner is an interventional cardiologist in Germantown, TN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Interventional Cardiology”.
NPI registry
Where can I find Dr. Gardner?
Dr. Gardner is listed at 8060 Wolf River Blvd, Germantown, TN 38138. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Gardner?
The number on file is (901) 271-1000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Gardner's NPI number?
Dr. Gardner's National Provider Identifier is 1184883852. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Gardner's medical education?
Dr. Gardner attended University of Tennessee, Hsc, College of Medicine, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Gardner been practicing?
Dr. Gardner has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Gardner known for?
According to Medicare billing data, Dr. Gardner performs procedures including insertion of needle into vein for collection of blood sample and repair of mitral valve through the skin, initial prosthesis; reads or performs imaging such as review by radiologist of abdominal aorta image and review by radiologist of both arms or legs arteries image; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Gardner confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gardner. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.