Mariam Youssef, M.D.
NPI 1083731434 · Hospitalist Physician · Falls Church, VA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariam Youssef, M.D. is a Hospitalist Physician provider in Falls Church, VA (NPI 1083731434).
Provider details
- NPI number
- 1083731434
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- C7-0003292 (DE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
- 2007-03-23
- Last updated
- 2018-07-31
Frequently asked questions
- What is Mariam Youssef's NPI number?
- Mariam Youssef's National Provider Identifier (NPI) is 1083731434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariam Youssef's specialty?
- Mariam Youssef is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Mariam Youssef located?
- Mariam Youssef's practice location on file with NPPES is 3300 Gallows Rd, Falls Church, VA 22042.
- What is Mariam Youssef's phone number?
- The practice phone number listed in the NPPES registry for Mariam Youssef is (703) 776-6558.
- Does Mariam Youssef accept Medicare?
- Mariam Youssef is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariam Youssef's NPI active?
- Yes — Mariam Youssef's NPI (1083731434) is active in the NPPES registry as of the last update on 2018-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.