IndividualActive
Stuart Ruben, M.D.
NPI 1881844645 · Internal Medicine Physician · Casper, WY
Stuart Ruben, M.D. is a Internal Medicine Physician provider in Casper, WY (NPI 1881844645).
Provider details
- NPI number
- 1881844645
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 5787A (WY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(86/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
419 S Washington St
Suite 200
Casper, WY 82601-2951
Phone: (307) 265-8300
Fax: (307) 265-8313
Street-level locationGet directions
Mailing address
419 S Washington St
Casper, WY 82601-2951
Registry dates
- Enumerated
- 2008-09-29
- Last updated
- 2008-09-29
Frequently asked questions
- What is Stuart Ruben's NPI number?
- Stuart Ruben's National Provider Identifier (NPI) is 1881844645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stuart Ruben's specialty?
- Stuart Ruben is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stuart Ruben located?
- Stuart Ruben's practice location on file with NPPES is 419 S Washington St, Casper, WY 82601-2951.
- What is Stuart Ruben's phone number?
- The practice phone number listed in the NPPES registry for Stuart Ruben is (307) 265-8300.
- Is Stuart Ruben's NPI active?
- Yes — Stuart Ruben's NPI (1881844645) is active in the NPPES registry as of the last update on 2008-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.