DR. ABDULLAH IBISH MD
NPI 1154783397
Psychiatry & Neurology - Neurology in Fountain Valley, CA
About Dr. Abdullah Ibish Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ABDULLAH IBISH MD (NPI 1154783397) is an individual neurology provider in Fountain Valley, California, licensed in California (A168155) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted Insurance
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
Dr. Abdullah Ibish Md 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
10Medicare enrollment records show Abdullah Ibish reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 948 clinicians in this Medicare group
Huntington Beach, CA 92648
- Reassigned Medicare billing, California enrollment
Irvine, CA 92618
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
Fullerton, CA 92833
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1396287082 (California)
- 13,921 clinicians in this Medicare group
Fullerton, CA 92831
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 21 clinicians in this Medicare group
Memphis, TN 38125
- Reassigned Medicare billing, Arkansas, Mississippi and Tennessee enrollments
- 95 clinicians in this Medicare group
Huntingdon, TN 38344
- Reassigned Medicare billing, Tennessee enrollment
- 25 clinicians in this Medicare group
Lewisburg, PA 17837
- Reassigned Medicare billing, Pennsylvania enrollment
- 303 clinicians in this Medicare group
White Plains, NY 10601
- Reassigned Medicare billing, New York enrollment
- 479 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 11
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92708 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FOUNTAIN VALLEY, CA 92708
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 Abdullah Ibish's NPI number?
The NPI number for Abdullah Ibish is 1154783397. It was assigned to this individual provider in the NPPES registry on March 27, 2016. The provider is also known as Dr. Abdullah Ibish MD.
Where is Abdullah Ibish located?
Abdullah Ibish practices at 17360 Brookhurst St, Fountain Valley, CA 92708. The listed phone number is (662) 772-4000.
What is Abdullah Ibish's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Abdullah Ibish enrolled in Medicare?
Yes. Abdullah Ibish 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 Abdullah Ibish's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abdullah Ibish reassigns Medicare benefits to 10 organizations: Memorialcare Medical Foundation (Fountain Valley, CA), Abdullah Ibish MD Inc (Huntington Beach, CA), Riiid Medical Group Irvine Inc (Irvine, CA), Southern California Permanente Medical Group (Fullerton, CA), Saadah Alrajab MD Mph Inc (Fullerton, CA) and 5 more organizations, listed in the Medicare section above. 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 Abdullah Ibish's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Abdullah Ibish accept?
Health plans from Antidote Health Plan of Ohio, Inc., Arkansas Blue Cross and Blue Shield, Health Advantage, Octave and Oscar Health Plan, Inc. and 1 other insurer list Abdullah Ibish as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Abdullah Ibish was last updated on August 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Abdullah Ibish, MD · NPI 1154783397
Neurology physician in Fountain Valley, California. Individual provider, active in the CMS NPPES registry since March 27, 2016.
## Identity
- **NPI:** 1154783397 (Entity type: Individual)
- **Enumerated:** March 27, 2016
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** A168155 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 17360 BROOKHURST ST, Fountain Valley, CA 92708-3720
- **Phone:** (662) 772-4000 · **Fax:** (901) 227-3206
## 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:** 10 organizations under Medicare reassignment (form CMS-855R): Memorialcare Medical Foundation (NPI 1205167350, Fountain Valley, CA); Abdullah Ibish MD Inc (NPI 1073340543, Huntington Beach, CA); Riiid Medical Group Irvine Inc (NPI 1437770468, Irvine, CA); Southern California Permanente Medical Group (NPI 1336556059, Fullerton, CA); Saadah Alrajab MD Mph Inc (NPI 1992127393, Fullerton, CA); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** August 15, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1154783397) · Data from the CMS NPPES public registry.