MOSTAFA TABASSOMI MD INC
NPI 1568907863
Internal Medicine - Pulmonary Disease in Valencia, CA

Q: What is Mostafa Tabassomi MD Inc's NPI number?

The NPI number for Mostafa Tabassomi MD Inc is 1568907863. It was assigned to this organization in the NPPES registry on December 22, 2016.

Q: What is Mostafa Tabassomi MD Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Active since December 22, 2016

23838 VALENCIA BLVD STE 304, VALENCIA, CA 91355(661) 430-9030(661) 430-9030 Get Directions Write a Review

NPPES record last updated: February 6, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 6, 2023, Nov 11, 2019, Mar 17, 2018 and 3 more (6 updates tracked since 2016).

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About Mostafa Tabassomi Md Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MOSTAFA TABASSOMI MD INC (NPI 1568907863) is a healthcare organization registered as a pulmonary disease in Valencia, California and active in the NPI registry since December 2016. The organization lists Mostafa Tabassomi, President, as its authorized official.

NPPES Registry Identity

NPI1568907863

Entity TypeOrganization

Primary Taxonomy207RP1001X

Legal Business NameMOSTAFA TABASSOMI MD INC

Location Address23838 VALENCIA BLVD STE 304Valencia, CA 91355-5319

Mailing Address23838 Valencia Blvd Ste 304Valencia, CA 91355-5319 · (661) 430-9030 · Fax (661) 430-9020

Phone(661) 430-9030

Fax(661) 430-9030

Organization SubpartNo

Authorized OfficialMostafa TabassomiPresident · (661) 430-9030

Enumeration DateDecember 22, 2016

Last NPPES UpdateFebruary 6, 20236 updates tracked since enumeration

NPPES CertifiedFebruary 6, 2023

✔ NPI 1568907863 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in CA · A106160

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal MedicineTaxonomy 207R00000X · License A106160 (CA)

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License A106160 (CA)

23838 VALENCIA BLVD STE 304, Valencia, CA 91355

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mostafa Tabassomi 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 Mostafa Tabassomi MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mostafa Tabassomi, MD

Pulmonary Disease

NPI 1003042342

23838 VALENCIA BLVD STE 304
Valencia, CA 91355

(661) 430-9030

✔ PECOS✔ Accepts MedicareSame address

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 Mostafa Tabassomi MD Inc's NPI number?

The NPI number for Mostafa Tabassomi MD Inc is 1568907863. It was assigned to this organization in the NPPES registry on December 22, 2016.

Where is Mostafa Tabassomi MD Inc located?

Mostafa Tabassomi MD Inc is located at 23838 Valencia Blvd Ste 304, Valencia, CA 91355. The listed phone number is (661) 430-9030.

What is Mostafa Tabassomi MD Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Mostafa Tabassomi MD Inc enrolled in Medicare?

Yes. Mostafa Tabassomi MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mostafa Tabassomi MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Pulmonary Disease) reassigns their Medicare billing to Mostafa Tabassomi 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 Mostafa Tabassomi MD Inc was last updated on February 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.