ALEXANDER KASSAR MD INC
NPI 1720612948
Internal Medicine - Pulmonary Disease in Pomona, CA
About Alexander Kassar Md Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER KASSAR MD INC (NPI 1720612948) is a healthcare organization registered as a pulmonary disease in Pomona, California and active in the NPI registry since February 2020. The organization lists Alexander George Kassar, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
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)
Alexander Kassar 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 Alexander Kassar 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 Alexander Kassar MD Inc's NPI number?
The NPI number for Alexander Kassar MD Inc is 1720612948. It was assigned to this organization in the NPPES registry on February 26, 2020.
Where is Alexander Kassar MD Inc located?
Alexander Kassar MD Inc is located at 255 E Bonita Ave, Pomona, CA 91767. The listed phone number is (909) 450-0158.
What is Alexander Kassar MD Inc's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Alexander Kassar MD Inc enrolled in Medicare?
Yes. Alexander Kassar MD Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Alexander Kassar MD Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Pulmonary Disease) reassigns their Medicare billing to Alexander Kassar 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 Alexander Kassar MD Inc was last updated on September 6, 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.
# Alexander Kassar Md Inc · NPI 1720612948
Pulmonary Disease organization in Pomona, California. Organization record, active in the CMS NPPES registry since February 26, 2020.
## Identity
- **NPI:** 1720612948 (Entity type: Organization)
- **Enumerated:** February 26, 2020
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **Organization subpart:** No
- **Authorized official:** Alexander Kassar, CEO
## Practice location
- **Address:** 255 E BONITA AVE, Pomona, CA 91767-1923
- **Phone:** (909) 450-0158
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Pulmonary Disease) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 6, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1720612948) · Data from the CMS NPPES public registry.