Doctor profile · Federal record

Dr. Mark Hardin, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Surgery Physician · Little Rock, AR

  • NPI 1861697815
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9501 Baptist Health Dr # 200
Little Rock, AR 722056225
(501) 223-2860
fax (501) 223-2258
Mailing address
11001 Executive Center Dr Ste 200
Little Rock, AR 722114393

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
December 30, 2025
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
208G00000X — NUCC code
State license (1)
Arkansas #E-14521

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861697815. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
545
Distinct HCPCS
10
Medicare allowed
$175,670
HCPCS Description Services Patients Avg allowed
33508 Harvest of vein using an endoscope 75 75 $14
33533 Coronary artery bypass using artery graft, 1 graft 70 70 $1,593
36415 Insertion of needle into vein for collection of blood sample 58 56 $8
99204 New patient office or other outpatient visit, 45-59 minutes 52 52 $122
80053 Blood test, comprehensive group of blood chemicals 45 45 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 44 44 $8
33268 Exclusion of appendage of left upper chamber of heart performed during other procedure on chest 43 43 $114
33518 Coronary artery bypass using vein or artery graft, 2 grafts 40 40 $358
33361 Replacement of aortic valve through the skin and femoral artery 34 34 $639
99214 Established patient office or other outpatient visit, 30-39 minutes 33 33 $88

In context: peer comparison

Among 11 peers in Little Rock Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 39. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$328
Transactions
11
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Ethicon US, LLC 1 $101.23
Atricure, INC. 4 $86.70
Stryker Corporation 2 $46.46
Abbott Laboratories 2 $45.12
Inari Medical, INC. 1 $28.19
Abiomed 1 $20.59

By nature of payment

Food and Beverage
$328

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
96
Patients
61
Total drug cost
$16,235
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 32 31 $354
Potassium Chloride Generic 19 15 $202
Furosemide Generic 18 15 $106
Entresto (Sacubitril/Valsartan) Brand 16 0 $15,519
Metoprolol Tartrate Generic 11 0 $54

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Hardin's medical specialty?
Dr. Mark Hardin practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Little Rock, AR.
Where does Dr. Mark Hardin practice?
Dr. Mark Hardin practices at 9501 Baptist Health Dr # 200, Little Rock, AR 722056225. Office phone: 5012232860.
What is Dr. Mark Hardin's NPI?
Dr. Mark Hardin's National Provider Identifier (NPI) is 1861697815, issued by NPPES.
Does Dr. Mark Hardin accept Medicare assignment?
Yes. Dr. Mark Hardin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Hardin commonly perform?
Top Medicare-reported procedures in 2023: Harvest of vein using an endoscope (HCPCS 33508); Coronary artery bypass using artery graft, 1 graft (HCPCS 33533); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.