NPPES file of Aug 9, 2026

Mark Orman Hardin, M.D.

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

Mark Orman Hardin, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Little Rock, Arkansas, and NPI 1861697815, issued on Jun 19, 2007. Check the license (Arkansas E-14521, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861697815
Name
Mark Orman Hardin
Credential
M.D.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
E-14521 AR
Self-reported in NPPES; status is on the state search
Practice location
9601 Baptist Health Dr Ste 200, Little Rock, AR 72205
Phone
(501) 223-2860
Enumerated
Jun 19, 2007
Record last updated
Jun 24, 2026
Fax
(501) 223-2258
Medicare enrollment
Enrolled (PECOS I20210729001470); accepts Medicare assignment
Medical or professional school
University Of Arkansas College Of Medicine, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 9601 Baptist Health Dr Ste 200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jennifer Greeno-Fletcher, APRNAcute Care Nurse Practitioner1356088256
  2. Pouya Hemmati, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1932589850
  3. Faiza Khan, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1578958963
  4. Daniel Kim, M.D.Ophthalmology Physician1639444904
  5. Rachelle MartinAcute Care Nurse Practitioner1952298564
  6. Lindsey ReynoldsGerontology Nurse Practitioner1528837507

Verify Mark Orman Hardin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArkansas State Medical Board
    Search for license E-14521
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arkansas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

51% more Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024

153 Medicare Part D claims for 65 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 24 claims were for opioids.

  1. Mark Hardin153
  2. Specialty average101

Most prescribed

  1. Hydrocodone-Acetaminophen23 claims
  2. Metoprolol Tartrate21 claims
  3. Potassium Chloride18 claims
  4. Furosemide15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $328.29

11 payments; by number, the most common kind was food and beverage; the largest payer was Ethicon US, LLC. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Hardin$328.29
  2. Specialty average$7,828.84

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Arkansas Health GroupLittle Rock, AR
  2. University OF Arkansas For Medical SciencesLittle Rock, AR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark Orman Hardin among 55 thoracic surgery (cardiothoracic vascular surgery) physician records in Arkansas

Mark Orman Hardin, M.D. is one of 55 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Arkansas. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 56% of them.

  • NPI issued2007 · 56% of these records are older, 38% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2007 · median 1998 among the 36 with a school on file
  • Record last updated2026 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Arkansas

There are 55 thoracic surgery (cardiothoracic vascular surgery) physician records in Arkansas.

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. Brett Alberty, M.D.Little Rock, AR 722051518009000
  2. Frank Bauer, M.D.Little Rock, AR 722051902982754
  3. John Busby, M.D.Little Rock, AR 722051578529970
  4. David Dean, MDLittle Rock, AR 722051790744811
  5. Thomas Hoffmann, MDLittle Rock, AR 722051619939220
  6. Frederick Meadors, M.D.Little Rock, AR 722051699851436
  7. Aytekin Ozdemir, MDLittle Rock, AR 722051851481428
  8. John Ransom, MDLittle Rock, AR 722051477513778

Common questions

What is Mark Orman Hardin, M.D.'s NPI number?

Mark Orman Hardin, M.D.'s National Provider Identifier (NPI) is 1861697815, issued on Jun 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark Orman Hardin, M.D. located?

The NPPES record lists a practice address at 9601 Baptist Health Dr Ste 200, Little Rock, AR, 72205. Phone: (501) 223-2860. Providers update this record themselves, so call before visiting.

How can I verify Mark Orman Hardin, M.D.'s license?

NPPES lists Arkansas license number E-14521, as entered by the provider. Search the Arkansas State Medical Board at https://armedicalboard.adh.arkansas.gov/public/verify/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark Orman Hardin, M.D. prescribe under Medicare Part D?

In 2024, Mark Orman Hardin, M.D. had 153 Medicare Part D claims for 65 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.

What is Mark Orman Hardin, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.