Lotfi Ben-Youssef, M.D.
NPI 1609919364 · Orthopaedic Surgery Physician · Sidney, MT
Lotfi Ben-Youssef, M.D. is a Orthopaedic Surgery Physician provider in Sidney, MT (NPI 1609919364).
Provider details
- NPI number
- 1609919364
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4815 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Mailing address
Registry dates
- Enumerated
- 2007-02-14
- Last updated
- 2010-02-18
Frequently asked questions
- What is Lotfi Ben-Youssef's NPI number?
- Lotfi Ben-Youssef's National Provider Identifier (NPI) is 1609919364, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lotfi Ben-Youssef's specialty?
- Lotfi Ben-Youssef is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Lotfi Ben-Youssef located?
- Lotfi Ben-Youssef's practice location on file with NPPES is 214 14th Ave Sw Ste 108, Sidney, MT 59270-3521.
- What is Lotfi Ben-Youssef's phone number?
- The practice phone number listed in the NPPES registry for Lotfi Ben-Youssef is (406) 488-2277.
- Is Lotfi Ben-Youssef's NPI active?
- Yes — Lotfi Ben-Youssef's NPI (1609919364) is active in the NPPES registry as of the last update on 2010-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.