Lina Bissar, M.D.
NPI 1821542929 · Hospitalist Physician · Orange, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lina Bissar, M.D. is a Hospitalist Physician provider in Orange, CA (NPI 1821542929).
Provider details
- NPI number
- 1821542929
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- G080200 (CA)
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
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 18 Wellington CtNewport Beach, CA 92660-6833Phone: (949) 220-4858
Registry dates
- Enumerated
- 2016-08-08
- Last updated
- 2024-07-24
- Certified
- 2024-07-24
Frequently asked questions
- What is Lina Bissar's NPI number?
- Lina Bissar's National Provider Identifier (NPI) is 1821542929, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lina Bissar's specialty?
- Lina Bissar is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Lina Bissar located?
- Lina Bissar's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868-3201.
- What is Lina Bissar's phone number?
- The practice phone number listed in the NPPES registry for Lina Bissar is (714) 880-7812.
- Does Lina Bissar accept Medicare?
- Lina Bissar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lina Bissar's NPI active?
- Yes — Lina Bissar's NPI (1821542929) is active in the NPPES registry as of the last update on 2024-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.