Robert J. Wilkerson, M.D.
Internal Medicine Physician · Morrilton, AR
Robert J. Wilkerson, M.D. is an internal medicine physician with a practice address in Morrilton, Arkansas, and NPI 1245322387, issued on Sep 28, 2006. Check the license (Arkansas C-5596, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert J. Wilkerson
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C-5596 AR
Self-reported in NPPES; status is on the state search - Practice location
- #10 Hospital Drive, Morrilton, AR 72110
- Phone
- (501) 354-0052
- Enumerated
- Sep 28, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (501) 354-9142
- Medicare enrollment
- Enrolled (PECOS I20060130000912); accepts Medicare assignment
- Medical or professional school
- University Of Arkansas College Of Medicine, 1979
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 768 in Arkansas → Look up another NPI →
Also registered at #10 Hospital Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jack Lyon, M.D.Family Medicine Physician1265524300
- Peter Post, M.D.Family Medicine Physician1336231471
Verify Robert J. Wilkerson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license C-5596Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average internal medicine physician in 2024
9,039 Medicare Part D claims for 411 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 417 claims were for opioids.
Most prescribed
- Amlodipine Besylate335 claims
- Levothyroxine Sodium320 claims
- Alprazolam306 claims
- Omeprazole286 claims
- Lisinopril265 claims
- Hydrocodone-Acetaminophen243 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.
Industry payments in 2024: $14.50
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Morrilton Medical Clinic, P.A.Morrilton, AR
- St Anthonys Hospital AssociationMorrilton, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert J. Wilkerson among 768 internal medicine physician records in Arkansas
Robert J. Wilkerson, M.D. is one of 768 internal medicine physician records with a practice address in Arkansas. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 61% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1979 · median 2010 among the 519 with a school on file
- Record last updated2007 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Arkansas
There are 768 internal medicine physician records in Arkansas.
All 768 in Arkansas → Every provider in Morrilton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- William Cobb, MDNewport, AR 721121275584690
- Guilford Dudley, MDNewport, AR 721121922054428
- Namrah AliMaumelle, AR 721131144809138
- Ryan ColemanMaumelle, AR 721131013651652
- Timothy Dietrich, D.OMaumelle, AR 721131053654608
- Shamna Mohammed, M DMaumelle, AR 721131063935245
- Dmitry Nedosekin, MD, PHDMaumelle, AR 721131396324810
- Suman Siddamreddy, MDMaumelle, AR 721131205023207
Common questions
What is Robert J. Wilkerson, M.D.'s NPI number?
Robert J. Wilkerson, M.D.'s National Provider Identifier (NPI) is 1245322387, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert J. Wilkerson, M.D. located?
The NPPES record lists a practice address at #10 Hospital Drive, Morrilton, AR, 72110. Phone: (501) 354-0052. Providers update this record themselves, so call before visiting.
How can I verify Robert J. Wilkerson, M.D.'s license?
NPPES lists Arkansas license number C-5596, 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 Robert J. Wilkerson, M.D. prescribe under Medicare Part D?
In 2024, Robert J. Wilkerson, M.D. had 9,039 Medicare Part D claims for 411 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.