RABAB HAJAR M.D
NPI 1003103805
Internal Medicine - Gastroenterology in San Luis Obispo, CA
About Rabab Hajar M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RABAB HAJAR M.D (NPI 1003103805) is an individual gastroenterology provider in San Luis Obispo, California, licensed in California (A133570) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, is affiliated with Lovelace Westside Hospital, and maintains a secondary practice location in Templeton.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Rabab Hajar M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Rabab Hajar reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Luis Obispo, CA 93405
- Reassigned Medicare billing, California enrollment
- 488 clinicians in this Medicare group
Brea, CA 92821
- Reassigned Medicare billing, California enrollment
- 1,699 clinicians in this Medicare group
Albuquerque, NM 87109
- Reassigned Medicare billing, New Mexico enrollment
- 554 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lovelace Westside Hospital
Acute Care Hospitals · Albuquerque, NMPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93405 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN LUIS OBISPO, CA 93405
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Rabab Hajar's NPI number?
The NPI number for Rabab Hajar is 1003103805. It was assigned to this individual provider in the NPPES registry on June 30, 2011. The provider is also known as Dr. Rabab Hajar M.D.
Where is Rabab Hajar located?
Rabab Hajar practices at 35 Casa St Ste 130, San Luis Obispo, CA 93405. The listed phone number is (805) 541-1422.
What is Rabab Hajar's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Rabab Hajar enrolled in Medicare?
Yes. Rabab Hajar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Rabab Hajar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rabab Hajar reassigns Medicare benefits to 3 organizations: First Choice Physician Partners (San Luis Obispo, CA), Providence Medical Foundation (Brea, CA) and Southwest Medical Associates, LLC (Albuquerque, NM). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Rabab Hajar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Rabab Hajar affiliated with any hospitals?
According to CMS data, Rabab Hajar is affiliated with Lovelace Westside Hospital.
When was this NPI record last updated?
The NPPES record for Rabab Hajar was last updated on May 14, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Rabab Hajar, M.D · NPI 1003103805
Gastroenterology physician in San Luis Obispo, California. Individual provider, active in the CMS NPPES registry since June 30, 2011.
## Identity
- **NPI:** 1003103805 (Entity type: Individual)
- **Enumerated:** June 30, 2011
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** A133570 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 35 CASA ST STE 130, San Luis Obispo, CA 93405-1887
- **Phone:** (805) 541-1422 · **Fax:** (805) 595-1815
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): First Choice Physician Partners (NPI 1043641103, San Luis Obispo, CA); Providence Medical Foundation (NPI 1871607762, Brea, CA); Southwest Medical Associates, LLC (NPI 1164491072, Albuquerque, NM) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** May 14, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1003103805) · Data from the CMS NPPES public registry.