Rebecca Marie Aleck, D.O.
Hospitalist Physician · Siloam Springs, AR
Rebecca Marie Aleck, D.O. is a hospitalist physician with a practice address in Siloam Springs, Arkansas, and NPI 1598030603, issued on Mar 22, 2012. Check the license (Arkansas E-9279, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Rebecca Marie Aleck
- Credential
- D.O.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- E-9279 AR
2014023583 MO
Self-reported in NPPES; status is on the state search - Practice location
- 603 N Progress Ave, Siloam Springs, AR 72761
- Phone
- (479) 524-4141
- Enumerated
- Mar 22, 2012
- Record last updated
- Aug 27, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20151116000827); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 154 in Arkansas → Look up another NPI →
Also registered at 603 N Progress Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Scott BabcockCertified Registered Nurse Anesthetist1255735973
- Daniel Black, PAPhysician Assistant1699270140
- Holly Clayton, RNRegistered Nurse1811731524
- David Dornhoffer, CRNACertified Registered Nurse Anesthetist1588657324
- Taylor Freeman, MDEmergency Medicine Physician1417585779
- Joshua Hayes, FNPFamily Nurse Practitioner1639486665
Verify Rebecca Marie Aleck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E-9279Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average hospitalist physician in 2024
66 Medicare Part D claims for 16 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of 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
- Sebastian Physician Services, PLLCFort Smith, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rebecca Marie Aleck among 154 hospitalist physician records in Arkansas
Rebecca Marie Aleck, D.O. is one of 154 hospitalist physician records with a practice address in Arkansas. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 52% of them.
- NPI issued2012 · 52% of these records are older, 43% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2011 · median 2009 among the 125 with a school on file
- Record last updated2018 · 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 208M00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Arkansas
There are 154 hospitalist physician records in Arkansas.
All 154 in Arkansas → Every provider in Siloam Springs → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Emily Thompson, MDSpringdale, AR 727621508507526
- Jana Ayres, D.O.Rogers, AR 727581356555379
- Sameera Azad, MDRogers, AR 727581487831061
- Sonal Bhakta, MDRogers, AR 727581528225844
- Burton Bledsoe, MDSpringdale, AR 727641992742522
- Angel Cestero Ruiz, MDRogers, AR 727581427210152
- Christopher Clark, M.D.Springdale, AR 727641669614871
- Robert Donnell, MDRogers, AR 727581306803655
Common questions
What is Rebecca Marie Aleck, D.O.'s NPI number?
Rebecca Marie Aleck, D.O.'s National Provider Identifier (NPI) is 1598030603, issued on Mar 22, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Rebecca Marie Aleck, D.O. located?
The NPPES record lists a practice address at 603 N Progress Ave, Siloam Springs, AR, 72761. Phone: (479) 524-4141. Providers update this record themselves, so call before visiting.
How can I verify Rebecca Marie Aleck, D.O.'s license?
NPPES lists Arkansas license number E-9279, 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 Rebecca Marie Aleck, D.O. prescribe under Medicare Part D?
In 2024, Rebecca Marie Aleck, D.O. had 66 Medicare Part D claims for 16 beneficiaries; the average among hospitalist physician prescribers was 521. 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.