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Edit this profileAt a glance
- 9601 Baptist Health Dr Ste 200, Little Rock, AR 72205
About Dr. Hardin
Mark O. Hardin, M.D. is a healthcare provider in Little Rock, AR specializing in thoracic surgery. Mark trained at University of Arkansas College of Medicine, graduating in 2007. Mark is also listed as specializing in thoracic surgery (cardiothoracic) and surgery. Medicare claims data shows Mark provided 337 services to 331 patients. The services billed most often include coronary artery bypass using artery graft, 1 graft, harvest of vein using an endoscope, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more. This provider record is associated with NPI 1861697815.
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
- (501) 223-2860
- Email not available
Practice Locations
9601 BAPTIST HEALTH DR STE 200
Little Rock, AR 72205
Conditions Commonly Evaluated or Treated
Within Thoracic Surgery 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
Airway
Chest tumors
Chest wall
Diaphragm
Esophagus
Esophagus and stomach
- Acid reflux
- Barrett's esophagus
- Esophageal cancer
- Esophageal pouch
- Esophagus tear
- Hiatal hernia
- Swallowing difficulties
Heart lining
Infection
Lung
Lung cancer
Lung conditions
Nerves
Nerves and blood vessels
Neuromuscular
Pleural disease
Sweating disorders
Trauma
Vascular
Procedures & services
Airway
Airway surgery
Chest tumors
Chest wall
Chest wall surgery
- Broken rib plating surgery
- Chest wall reconstruction
- Sunken chest repair
- Thoracic Outlet Decompression
Diagnostic tests
Diagnostics
Diaphragm
Diaphragm surgery
Emphysema
Esophagus
Esophagus surgery
- Acid reflux surgery
- Esophageal dilation
- Esophageal stent placement
- Esophagus removal surgery
- Hiatal hernia surgery
- Peroral endoscopic myotomy
Fluid drainage
Heart lining
Lung surgery
- Collapsed lung surgery
- Lung cancer surgery
- Lung lining scraping and cleaning
- Lung nodule removal
- Lung valve placement for emphysema
- Minimally invasive lung surgery
Nerves
Pleural disease
Robotic surgery
Surgical approach
Sweat surgery
Transplant
Trauma
Procedures Most Often Billed to Medicare
337 services · 331 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Coronary artery bypass using artery graft, 1 graft | Procedure | 33533 |
54 | More than most peers in Thoracic Surgery |
| Harvest of vein using an endoscope | Procedure | 33508 |
53 | More than most peers in Thoracic Surgery |
| Coronary artery bypass using vein or artery graft, 2 grafts | Procedure | 33518 |
30 | More than most peers in Thoracic Surgery |
| Replacement of aortic valve through the skin and femoral artery | Procedure | 33361 |
29 | As often as other peers in Thoracic Surgery |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
19 | As often as other peers in Thoracic Surgery |
| Coronary artery bypass using vein or artery graft, 3 grafts | Procedure | 33519 |
17 | More often than most peers in Thoracic Surgery |
| Partial destruction and reconstruction of right upper heart chamber | Procedure | 33257 |
11 | Less often than most peers in Thoracic Surgery |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
47 | More often than most peers in Thoracic Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
28 | As often as other peers in Thoracic Surgery |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
19 | Too few peers to compare |
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.
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.
Other thoracic surgeons in Little Rock 8
Same specialty, same city.
Trained at University of Arkansas College of Medicine 6
Other providers in the same specialty who trained at the same institution.
More connections — 14 related providers in 2 groups
Class of 2007 at University of Arkansas College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Coronary artery bypass using artery graft, 1 graft 6
Providers in AR who bill this service to Medicare most often.
Common questions
What does Mark O. Hardin specialize in?
Mark O. Hardin is a thoracic surgeon in Little Rock, AR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Thoracic Surgery”.
NPI registry
Where is Mark O. Hardin located?
Mark O. Hardin is listed at 9601 Baptist Health Dr Ste 200, Little Rock, AR 72205. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mark O. Hardin's phone number?
The number on file is (501) 223-2860. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mark O. Hardin?
Mark O. Hardin's National Provider Identifier is 1861697815. 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
Where did Mark O. Hardin train?
Mark O. Hardin attended University of Arkansas College of Medicine, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mark O. Hardin have?
Mark O. Hardin has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What does Mark O. Hardin do most often?
According to Medicare billing data, Mark O. Hardin performs procedures including coronary artery bypass using artery graft, 1 graft, harvest of vein using an endoscope and coronary artery bypass using vein or artery graft, 2 grafts, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mark O. Hardin's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mark O. Hardin. If this is you, claiming it is free.
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