MUHAMMAD HAMMAMI MD INC
NPI 1134826951
Internal Medicine - Gastroenterology in Rancho Cucamonga, CA
About Muhammad Hammami Md Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MUHAMMAD HAMMAMI MD INC (NPI 1134826951) is a healthcare organization registered as a gastroenterology in Rancho Cucamonga, California and active in the NPI registry since February 2023. The organization lists Muhammad Bader Hammami, Md, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Muhammad Hammami Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Muhammad Hammami MD Inc, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Muhammad Hammami MD Inc's NPI number?
The NPI number for Muhammad Hammami MD Inc is 1134826951. It was assigned to this organization in the NPPES registry on February 13, 2023.
Where is Muhammad Hammami MD Inc located?
Muhammad Hammami MD Inc is located at 9140 Haven Ave Ste 115, Rancho Cucamonga, CA 91730. The listed phone number is (909) 606-4860.
What is Muhammad Hammami MD Inc's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Muhammad Hammami MD Inc enrolled in Medicare?
Yes. Muhammad Hammami MD Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Muhammad Hammami MD Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Muhammad Hammami MD Inc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Muhammad Hammami MD Inc was last updated on February 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Muhammad Hammami Md Inc · NPI 1134826951
Gastroenterology organization in Rancho Cucamonga, California. Organization record, active in the CMS NPPES registry since February 13, 2023.
## Identity
- **NPI:** 1134826951 (Entity type: Organization)
- **Enumerated:** February 13, 2023
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Organization subpart:** No
- **Authorized official:** Muhammad Hammami, MD
## Practice location
- **Address:** 9140 HAVEN AVE STE 115, Rancho Cucamonga, CA 91730-5414
- **Phone:** (909) 606-4860
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Gastroenterology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 13, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1134826951) · Data from the CMS NPPES public registry.