NPPES file of Aug 9, 2026

Stephen R. Marks, MD

Obstetrics & Gynecology Physician · North Little Rock, AR

Stephen R. Marks, MD is an obstetrics & gynecology physician with a practice address in North Little Rock, Arkansas, and NPI 1134126006, issued on Jul 7, 2005. Check the license (Arkansas C5424, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134126006
Name
Stephen R. Marks
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
C5424 AR
Self-reported in NPPES; status is on the state search
Practice location
3343 Springhill Dr, North Little Rock, AR 72117
Phone
(501) 758-9251
Enumerated
Jul 7, 2005
Record last updated
Aug 11, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(501) 758-0308
Medicaid ID
105080001 AR
Medicare enrollment
Enrolled (PECOS I20100913000233); accepts Medicare assignment
Medical or professional school
University Of Arkansas College Of Medicine, 1978
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.
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Also registered at 3343 Springhill Dr

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

  1. Phillip Alston, MDObstetrics & Gynecology Physician1295732170
  2. Karen Burks, M.D.Family Medicine Physician1821085226
  3. Charles Caldwell, M.D.Cardiovascular Disease Physician1023061850
  4. Jimmy Chang, MDObstetrics & Gynecology Physician1285632463
  5. Robert Conner, CRNACertified Registered Nurse Anesthetist1043470487
  6. Jay Geoghagan, M.D.Cardiovascular Disease Physician1407840101

Verify Stephen R. Marks in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArkansas State Medical Board
    Search for license C5424
    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

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11.2 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024

1,850 Medicare Part D claims for 283 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 12 claims were for opioids.

  1. Stephen Marks1,850
  2. Specialty average165

Most prescribed

  1. Estradiol474 claims
  2. Progesterone109 claims
  3. Liothyronine Sodium68 claims
  4. Levothyroxine Sodium66 claims
  5. Fluconazole59 claims
  6. Alprazolam53 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.

Bills Medicare through one group practice

  1. Dhp OF Arkansas PANorth Little Rock, AR

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

Stephen R. Marks among 278 obstetrics & gynecology physician records in Arkansas

Stephen R. Marks, MD is one of 278 obstetrics & gynecology physician records with a practice address in Arkansas. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1978 · median 2005 among the 194 with a school on file
  • Record last updated2010 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Arkansas

There are 278 obstetrics & gynecology physician records in Arkansas.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Phillip Alston, MDNorth Little Rock, AR 721171295732170
  2. James Barber, M.D.North Little Rock, AR 721171083932842
  3. Kevin Barber, M.D.North Little Rock, AR 721171013303700
  4. Shannon Case, MDNorth Little Rock, AR 721171386790137
  5. Jimmy Chang, MDNorth Little Rock, AR 721171285632463
  6. Jonathan Chang, M.D.North Little Rock, AR 721171285053686
  7. Sabrina DoffingNorth Little Rock, AR 721171487233607
  8. Jennifer Duroy, D.O.North Little Rock, AR 721171225458813

Common questions

What is Stephen R. Marks, MD's NPI number?

Stephen R. Marks, MD's National Provider Identifier (NPI) is 1134126006, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Stephen R. Marks, MD located?

The NPPES record lists a practice address at 3343 Springhill Dr, North Little Rock, AR, 72117. Phone: (501) 758-9251. Providers update this record themselves, so call before visiting.

How can I verify Stephen R. Marks, MD's license?

NPPES lists Arkansas license number C5424, 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 Stephen R. Marks, MD prescribe under Medicare Part D?

In 2024, Stephen R. Marks, MD had 1,850 Medicare Part D claims for 283 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

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.