Mark Kassab, DO
NPI 1447981956 · Obstetrics & Gynecology Physician · Falls Church, VA
Enrolled with Medicare as Order and Referring Only - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Kassab, DO is a Obstetrics & Gynecology Physician provider in Falls Church, VA (NPI 1447981956).
Provider details
- NPI number
- 1447981956
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 0116036801 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2022-06-23
- Last updated
- 2024-04-05
- Certified
- 2024-04-05
Frequently asked questions
- What is Mark Kassab's NPI number?
- Mark Kassab's National Provider Identifier (NPI) is 1447981956, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Kassab's specialty?
- Mark Kassab is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Kassab located?
- Mark Kassab's practice location on file with NPPES is 3300 Gallows Rd, Falls Church, VA 22042-3307.
- What is Mark Kassab's phone number?
- The practice phone number listed in the NPPES registry for Mark Kassab is (703) 973-4882.
- Does Mark Kassab accept Medicare?
- Mark Kassab is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Kassab's NPI active?
- Yes — Mark Kassab's NPI (1447981956) is active in the NPPES registry as of the last update on 2024-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.