BAKER HILLAWY MD
NPI 1427408749
Internal Medicine in Riverside, CA
About Baker Hillawy Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BAKER HILLAWY MD (NPI 1427408749) is an individual internal medicine provider in Riverside, California, licensed in California (A160960) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, maintains a secondary practice location in Detroit, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
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
Baker Hillawy 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
4Medicare enrollment records show Baker Hillawy reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Bernardino, CA 92408
- Reassigned Medicare billing, California enrollment
- 3 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 clinicians in this Medicare group
Rancho Cucamonga, CA 91730
- Reassigned Medicare billing, California enrollment
- 14 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 187 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 3
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 92501 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
RIVERSIDE, CA 92501
RIVERSIDE, CA 92501
RIVERSIDE, CA 92501
RIVERSIDE, CA 92501
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 Baker Hillawy's NPI number?
The NPI number for Baker Hillawy is 1427408749. It was assigned to this individual provider in the NPPES registry on June 17, 2016.
Where is Baker Hillawy located?
Baker Hillawy practices at 4445 Magnolia Ave, Riverside, CA 92501. The listed phone number is (951) 788-3000.
What is Baker Hillawy's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Baker Hillawy enrolled in Medicare?
Yes. Baker Hillawy 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 Baker Hillawy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Baker Hillawy reassigns Medicare benefits to 4 organizations: Elite Ambulatory Services Gp (San Bernardino, CA), Inpatient Specialists Of California, PC (San Bernardino, CA), Elite Medical Group Of Southern California (Rancho Cucamonga, CA) and Southern California Hospitalist Network Medical Group Inc (Orange, CA). 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 Baker Hillawy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Baker Hillawy was last updated on March 20, 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.
# Baker Hillawy, MD · NPI 1427408749
Internal Medicine physician in Riverside, California. Individual provider, active in the CMS NPPES registry since June 17, 2016.
## Identity
- **NPI:** 1427408749 (Entity type: Individual)
- **Enumerated:** June 17, 2016
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A160960 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4445 MAGNOLIA AVE, Riverside, CA 92501
- **Phone:** (951) 788-3000
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Elite Ambulatory Services Gp (NPI 1760365498, San Bernardino, CA); Inpatient Specialists Of California, PC (NPI 1952792475, San Bernardino, CA); Elite Medical Group Of Southern California (NPI 1386424679, Rancho Cucamonga, CA); Southern California Hospitalist Network Medical Group Inc (NPI 1790880458, Orange, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** March 20, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1427408749) · Data from the CMS NPPES public registry.