Mohammad a Hajjar MD a Professional Corp
NPI 1396617700 · Interventional Cardiology Physician · Santa Ana, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mohammad a Hajjar MD a Professional Corp is a Interventional Cardiology Physician organization in Santa Ana, CA (NPI 1396617700).
Provider details
- NPI number
- 1396617700
- Entity type
- Organization
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mohammad Hajjar, President(714) 617-2626
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2025-09-23
- Last updated
- 2025-09-23
- Certified
- 2025-09-23
Frequently asked questions
- What is Mohammad a Hajjar MD a Professional Corp's NPI number?
- Mohammad a Hajjar MD a Professional Corp's National Provider Identifier (NPI) is 1396617700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mohammad a Hajjar MD a Professional Corp?
- Mohammad a Hajjar MD a Professional Corp is classified in the NPPES registry as Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mohammad a Hajjar MD a Professional Corp located?
- Mohammad a Hajjar MD a Professional Corp's practice location on file with NPPES is 999 N Tustin Ave Ste 205, Santa Ana, CA 92705-6506.
- What is Mohammad a Hajjar MD a Professional Corp's phone number?
- The practice phone number listed in the NPPES registry for Mohammad a Hajjar MD a Professional Corp is (714) 671-2626.
- Does Mohammad a Hajjar MD a Professional Corp accept Medicare?
- Mohammad a Hajjar MD a Professional Corp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mohammad a Hajjar MD a Professional Corp?
- The authorized official listed on Mohammad a Hajjar MD a Professional Corp's NPPES record is Mohammad Hajjar, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mohammad a Hajjar MD a Professional Corp's NPI active?
- Yes — Mohammad a Hajjar MD a Professional Corp's NPI (1396617700) is active in the NPPES registry as of the last update on 2025-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.