MOJGAN MAKHSOOSI, M.D. INC.
NPI 1841354073
Internal Medicine in Simi Valley, CA

Active since December 21, 2006
2750 SYCAMORE DR, SUITE 209, SIMI VALLEY, CA 93065(805) 915-0315(805) 915-0317 Get Directions Write a Review

NPPES record last updated: August 31, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mojgan Makhsoosi, M.d. Inc. NPPES

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

MOJGAN MAKHSOOSI, M.D. INC. (NPI 1841354073) is a healthcare organization registered as an internal medicine in Simi Valley, California and active in the NPI registry since December 2006. The organization lists Mojgan Makhsoosi, President, as its authorized official.

NPPES Registry Identity

NPI1841354073
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMOJGAN MAKHSOOSI, M.D. INC.
Location Address2750 SYCAMORE DR, SUITE 209Simi Valley, CA 93065-1502
Mailing AddressPo Box 6604Thousand Oaks, CA 91359-6604
Fax(805) 915-0317
Organization SubpartNo
Authorized OfficialMojgan MakhsoosiPresident · (805) 915-0315
Enumeration DateDecember 21, 2006
Last NPPES UpdateAugust 31, 2011
✔ NPI 1841354073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A70736
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2750 SYCAMORE DR, Simi Valley, CA 93065

Other Identifiers 1

Medicare UPING94619CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

Mojgan Makhsoosi, M.d. 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 Mojgan Makhsoosi, M.D. Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Internal Medicine
NPI 1346218658
1687 ERRINGER RD STE 203
Simi Valley, CA 93065
(805) 915-0315
✔ PECOS✔ Accepts Medicare1.6 mi

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 Mojgan Makhsoosi, M.D. Inc.'s NPI number?

The NPI number for Mojgan Makhsoosi, M.D. Inc. is 1841354073. It was assigned to this organization in the NPPES registry on December 21, 2006.

Where is Mojgan Makhsoosi, M.D. Inc. located?

Mojgan Makhsoosi, M.D. Inc. is located at 2750 Sycamore Dr Suite 209, Simi Valley, CA 93065. The listed phone number is (805) 915-0315.

What is Mojgan Makhsoosi, M.D. Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mojgan Makhsoosi, M.D. Inc. enrolled in Medicare?

Yes. Mojgan Makhsoosi, M.D. Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mojgan Makhsoosi, M.D. Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Mojgan Makhsoosi, M.D. 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 Mojgan Makhsoosi, M.D. Inc. was last updated on August 31, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.