Walter L. Mulchin, M.D.
Emergency Medicine Physician · Siloam Springs, AR
Walter L. Mulchin, M.D. is an emergency medicine physician with a practice address in Siloam Springs, Arkansas, and NPI 1083940258, issued on Oct 23, 2009. Check the license (Arkansas R4054, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Walter L. Mulchin
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- R4054 AR
L0437 TX
Self-reported in NPPES; status is on the state search - Practice location
- 22455 Oakview RD, Siloam Springs, AR 72761
- Phone
- (479) 238-1010
- Enumerated
- Oct 23, 2009
- Record last updated
- Oct 23, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 447 in Arkansas → Look up another NPI →
Verify Walter L. Mulchin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license R4054Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average emergency medicine physician in 2024
24 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Walter L. Mulchin among 447 emergency medicine physician records in Arkansas
Walter L. Mulchin, M.D. is one of 447 emergency medicine 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 2009, is newer than 52% of them.
- NPI issued2009 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2009 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Arkansas
There are 447 emergency medicine physician records in Arkansas.
All 447 in Arkansas → Every provider in Siloam Springs → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Taylor Freeman, MDSiloam Springs, AR 727611417585779
- David Ureckis, M.D.Siloam Springs, AR 727611386687978
- Gregory Dupuis, MDSpringdale, AR 727621588739783
- Mark Rucker, MDSpringdale, AR 727621417908401
- William Allen, MDSpringdale, AR 727641386696235
- Peter Ball, MDSpringdale, AR 727641356439681
- Kurt Eifling, M.D.Rogers, AR 727581538395231
- Alberto Gomez, MDSpringdale, AR 727641164832903
Common questions
What is Walter L. Mulchin, M.D.'s NPI number?
Walter L. Mulchin, M.D.'s National Provider Identifier (NPI) is 1083940258, issued on Oct 23, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Walter L. Mulchin, M.D. located?
The NPPES record lists a practice address at 22455 Oakview RD, Siloam Springs, AR, 72761. Phone: (479) 238-1010. Providers update this record themselves, so call before visiting.
How can I verify Walter L. Mulchin, M.D.'s license?
NPPES lists Arkansas license number R4054, 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 Walter L. Mulchin, M.D. prescribe under Medicare Part D?
In 2024, Walter L. Mulchin, M.D. had 24 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. 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.