DR ALI TABATABAI MD INC A PROFESSIONAL MEDICAL CORPORATION
NPI 1982634887
Specialist in Laguna Hills, CA
About Dr Ali Tabatabai Md Inc A Professional Medical Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR ALI TABATABAI MD INC A PROFESSIONAL MEDICAL CORPORATION (NPI 1982634887) is a healthcare organization registered as a specialist in Laguna Hills, California and active in the NPI registry since July 2006. The organization lists Ali Tabatabai, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr Ali Tabatabai Md Inc A Professional Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by March 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Dr Ali Tabatabai MD Inc A Professional Medical Corporation, 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 Dr Ali Tabatabai MD Inc A Professional Medical Corporation's NPI number?
The NPI number for Dr Ali Tabatabai MD Inc A Professional Medical Corporation is 1982634887. It was assigned to this organization in the NPPES registry on July 4, 2006.
Where is Dr Ali Tabatabai MD Inc A Professional Medical Corporation located?
Dr Ali Tabatabai MD Inc A Professional Medical Corporation is located at 23961 Calle De La Magdalena 426, Laguna Hills, CA 92653. The listed phone number is (949) 916-7600.
What is Dr Ali Tabatabai MD Inc A Professional Medical Corporation's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Dr Ali Tabatabai MD Inc A Professional Medical Corporation enrolled in Medicare?
Yes. Dr Ali Tabatabai MD Inc A Professional Medical Corporation is registered in the Medicare PECOS enrollment system.
When is Dr Ali Tabatabai MD Inc A Professional Medical Corporation's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Dr Ali Tabatabai MD Inc A Professional Medical Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Dr Ali Tabatabai MD Inc A Professional Medical Corporation. 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 Dr Ali Tabatabai MD Inc A Professional Medical Corporation was last updated on June 18, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 Ali Tabatabai Md Inc A Professional Medical Corporation · NPI 1982634887
Specialist organization in Laguna Hills, California. Organization record, active in the CMS NPPES registry since July 4, 2006.
## Identity
- **NPI:** 1982634887 (Entity type: Organization)
- **Enumerated:** July 4, 2006
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Organization subpart:** No
- **Authorized official:** Ali Tabatabai, PRESIDENT
## Practice location
- **Address:** 23961 CALLE DE LA MAGDALENA, 426, Laguna Hills, CA 92653-3616
- **Phone:** (949) 916-7600 · **Fax:** (949) 916-7602
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** March 31, 2027 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 1 clinician (Internal Medicine) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 18, 2012
- **Other identifiers:** Medicare ID-Type Unspecified W16566 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1982634887) · Data from the CMS NPPES public registry.