Stuart J. Ruben, M.D.
Internal Medicine Physician · Casper, WY
Stuart J. Ruben, M.D. is an internal medicine physician with a practice address in Casper, Wyoming, and NPI 1881844645, issued on Sep 29, 2008. Check the license (Wyoming 5787A, as entered in NPPES) on the Wyoming Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Stuart J. Ruben
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5787A WY
Self-reported in NPPES; status is on the state search - Practice location
- 419 S Washington St, Casper, WY 82601
- Phone
- (307) 265-8300
- Enumerated
- Sep 29, 2008
- Record last updated
- Sep 29, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (307) 265-8313
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 134 in Wyoming → Look up another NPI →
Also registered at 419 S Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Anderson, M.D.Vascular Surgery Physician1205822442
- Todd Beckstead, M.D.Surgery Physician1336135763
- Paul Bettinger, M.D.Internal Medicine Physician1346201076
- Charles Bowkley, MDDiagnostic Radiology Physician1528286911
- Frederick Cubin, M.D.Diagnostic Radiology Physician1457301004
- Shawn Ficken, PA-CPhysician Assistant1871809699
Verify Stuart J. Ruben in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of Medicine
Search for license 5787ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Stuart J. Ruben among 134 internal medicine physician records in Wyoming
Stuart J. Ruben, M.D. is one of 134 internal medicine physician records with a practice address in Wyoming. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2008, is newer than 59% of them.
- NPI issued2008 · 59% of these records are older, 35% newer
- In a Medicare fileNo · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2008 · 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 207R00000X and a Wyoming 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 Wyoming
There are 134 internal medicine physician records in Wyoming. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 134 in Wyoming → Every provider in Casper → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Bettinger, M.D.Casper, WY 826011346201076
- David Butler, MDCasper, WY 826011699861518
- David Erk, MDCasper, WY 826011396713046
- Taylor JohnsonCasper, WY 826011528718673
- Melissa Knudson-Johnson, M.D.Casper, WY 826011518124114
- Jason Lovell, D.OCasper, WY 826011003066838
- Vera Nelson, MDCasper, WY 826011265425938
- Renee Stirling, M.D.Casper, WY 826011700952389
Common questions
What is Stuart J. Ruben, M.D.'s NPI number?
Stuart J. Ruben, M.D.'s National Provider Identifier (NPI) is 1881844645, issued on Sep 29, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Stuart J. Ruben, M.D. located?
The NPPES record lists a practice address at 419 S Washington St, Casper, WY, 82601. Phone: (307) 265-8300. Providers update this record themselves, so call before visiting.
How can I verify Stuart J. Ruben, M.D.'s license?
NPPES lists Wyoming license number 5787A, as entered by the provider. Search the Wyoming Board of Medicine at https://wyomedboard.wyo.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.