Roy Chapman Sampson, MD
Rheumatology Physician · Lowell, AR
Roy Chapman Sampson, MD is a rheumatology physician with a practice address in Lowell, Arkansas, and NPI 1568686723, issued on Apr 12, 2007. Check the license (Arkansas E-6136, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Roy Chapman Sampson
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- E-6136 AR
Self-reported in NPPES; status is on the state search - Practice location
- 212 W Monroe Ave Ste B, Lowell, AR 72745
- Phone
- (479) 365-7100
- Enumerated
- Apr 12, 2007
- Record last updated
- Apr 29, 2024
- Fax
- (877) 612-6228
- Medicare enrollment
- Enrolled (PECOS I20121114000180); accepts Medicare assignment
- Medical or professional school
- University Of Arkansas College Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 53 in Arkansas → Look up another NPI →
Also registered at 212 W Monroe Ave Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Olsen, M.D.Family Medicine Physician1831108430
Verify Roy Chapman Sampson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E-6136Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% more Medicare Part D claims than the average rheumatology physician in 2024
3,939 Medicare Part D claims for 366 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 231 claims were for opioids.
Most prescribed
- Methotrexate673 claims
- Prednisone297 claims
- Hydroxychloroquine Sulfate271 claims
- Sodium Chloride233 claims
- Tramadol Hcl219 claims
- Gabapentin141 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: $1,169.53
59 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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
- ArcareLowell, AR
- Trublu, LLCFort Smith, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roy Chapman Sampson among 53 rheumatology physician records in Arkansas
Roy Chapman Sampson, MD is one of 53 rheumatology physician records with a practice address in Arkansas. 77% 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 55% of them.
- NPI issued2007 · 55% of these records are older, 38% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2006 · median 2005 among the 38 with a school on file
- Record last updated2024 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Arkansas
There are 53 rheumatology physician records in Arkansas.
All 53 in Arkansas → Every provider in Lowell → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Anthony Dolomisiewicz, MDRogers, AR 727581023515129
- Walton Toy, MDRogers, AR 727581033231915
- Charles Mills, MDFarmington, AR 727301689659674
- Jessica Chism, MDFayetteville, AR 727031386868545
- Thomas Dykman, MDFayetteville, AR 727031770519670
- Jonathan Kruger, MDFayetteville, AR 727031093031940
- David Petros, M.D.Fayetteville, AR 727031154306603
- Christopher Sonntag, MDFayetteville, AR 727031417454620
Common questions
What is Roy Chapman Sampson, MD's NPI number?
Roy Chapman Sampson, MD's National Provider Identifier (NPI) is 1568686723, issued on Apr 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Roy Chapman Sampson, MD located?
The NPPES record lists a practice address at 212 W Monroe Ave Ste B, Lowell, AR, 72745. Phone: (479) 365-7100. Providers update this record themselves, so call before visiting.
How can I verify Roy Chapman Sampson, MD's license?
NPPES lists Arkansas license number E-6136, 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 Roy Chapman Sampson, MD prescribe under Medicare Part D?
In 2024, Roy Chapman Sampson, MD had 3,939 Medicare Part D claims for 366 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.