Walton Cheng Toy, MD
Rheumatology Physician · Rogers, AR
Walton Cheng Toy, MD is a rheumatology physician with a practice address in Rogers, Arkansas, and NPI 1033231915, issued on Apr 4, 2007. Check the license (Arkansas E4494, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Walton Cheng Toy
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- E4494 AR
Self-reported in NPPES; status is on the state search - Practice location
- 1002 S 52ND Street, Rogers, AR 72758
- Phone
- (479) 338-3720
- Enumerated
- Apr 4, 2007
- Record last updated
- Mar 28, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (479) 338-3749
- Medicare enrollment
- Enrolled (PECOS I20070828000960); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 53 in Arkansas → Look up another NPI →
Also registered at 1002 S 52ND Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Raymond Mahan, MDInternal Medicine Physician1730137811
- William Swindell, M.D.Internal Medicine Physician1033158845
Verify Walton Cheng Toy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E4494Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average rheumatology physician in 2024
4,755 Medicare Part D claims for 571 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 135 claims were for opioids.
Most prescribed
- Methotrexate705 claims
- Prednisone690 claims
- Hydroxychloroquine Sulfate474 claims
- Gabapentin193 claims
- Leflunomide165 claims
- Alendronate Sodium156 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: $515.06
28 payments; by number, the most common kind was food and beverage; the largest payer was Amgen 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 one group practice
- Mercy Health Northwest Arkansas CommunitiesRogers, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Walton Cheng Toy among 53 rheumatology physician records in Arkansas
Walton Cheng Toy, 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
- Graduated1999 · median 2005 among the 38 with a school on file
- Record last updated2017 · 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 Rogers → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Anthony Dolomisiewicz, MDRogers, AR 727581023515129
- Roy Sampson, MDLowell, AR 727451568686723
- 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 Walton Cheng Toy, MD's NPI number?
Walton Cheng Toy, MD's National Provider Identifier (NPI) is 1033231915, issued on Apr 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Walton Cheng Toy, MD located?
The NPPES record lists a practice address at 1002 S 52ND Street, Rogers, AR, 72758. Phone: (479) 338-3720. Providers update this record themselves, so call before visiting.
How can I verify Walton Cheng Toy, MD's license?
NPPES lists Arkansas license number E4494, 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 Walton Cheng Toy, MD prescribe under Medicare Part D?
In 2024, Walton Cheng Toy, MD had 4,755 Medicare Part D claims for 571 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.