Mary Katherine Rude, MD
Gastroenterology Physician · Little Rock, AR
Mary Katherine Rude, MD is a gastroenterology physician with a practice address in Little Rock, Arkansas, and NPI 1376706978, issued on Jul 3, 2008. Check the license (Arkansas E-9289, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mary Katherine Rude
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- E-9289 AR
Self-reported in NPPES; status is on the state search - Practice location
- 4301 West Markham, Mail Slot 567, Little Rock, AR 72205
- Phone
- (501) 686-7840
- Enumerated
- Jul 3, 2008
- Record last updated
- Jul 30, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (501) 686-6248
- Medicare enrollment
- Enrolled (PECOS I20150922002470); accepts Medicare assignment
- Medical or professional school
- University Of Virginia School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 119 in Arkansas → Look up another NPI →
Verify Mary Katherine Rude in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E-9289Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average gastroenterology physician in 2024
731 Medicare Part D claims for 107 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Tacrolimus155 claims
- Ursodiol59 claims
- Mycophenolate Mofetil49 claims
- Pantoprazole Sodium40 claims
- Carvedilol35 claims
- Furosemide30 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
- 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).
Mary Katherine Rude among 119 gastroenterology physician records in Arkansas
Mary Katherine Rude, MD is one of 119 gastroenterology physician records with a practice address in Arkansas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 70% of them.
- NPI issued2008 · 70% of these records are older, 29% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2008 · median 2001 among the 89 with a school on file
- Record last updated2015 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Arkansas
There are 119 gastroenterology physician records in Arkansas.
All 119 in Arkansas → Every provider in Little Rock → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- John Baber, MDLittle Rock, AR 722051699762484
- Glenn Davis, MDLittle Rock, AR 722051568450757
- Jonathan Dranoff, MDLittle Rock, AR 722051669458469
- Otis Gordon, M.D.Little Rock, AR 722051851355218
- Ronald Hardin, M.D.Little Rock, AR 722051356312433
- D Kumpuris, MDLittle Rock, AR 722051932197118
- William McKnight, MDLittle Rock, AR 722051740248459
- Tom Meziere, M.D.Little Rock, AR 722051750385563
Common questions
What is Mary Katherine Rude, MD's NPI number?
Mary Katherine Rude, MD's National Provider Identifier (NPI) is 1376706978, issued on Jul 3, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mary Katherine Rude, MD located?
The NPPES record lists a practice address at 4301 West Markham, Mail Slot 567, Little Rock, AR, 72205. Phone: (501) 686-7840. Providers update this record themselves, so call before visiting.
How can I verify Mary Katherine Rude, MD's license?
NPPES lists Arkansas license number E-9289, 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 Mary Katherine Rude, MD prescribe under Medicare Part D?
In 2024, Mary Katherine Rude, MD had 731 Medicare Part D claims for 107 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.