ASTERIOS TSIMPAS MD MSC MBA INC
NPI 1841889961
Neurological Surgery in Mission Viejo, CA

Active since January 13, 2021
26732 CROWN VALLEY PKWY STE 541, MISSION VIEJO, CA 92691(949) 388-7190(949) 388-7150 Get Directions Write a Review

NPPES record last updated: January 28, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jan 28, 2021, Jan 13, 2021 (2 updates tracked since 2021).

About Asterios Tsimpas Md Msc Mba Inc NPPES

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

ASTERIOS TSIMPAS MD MSC MBA INC (NPI 1841889961) is a healthcare organization registered as a neurological surgery in Mission Viejo, California and active in the NPI registry since January 2021. The organization lists Jennifer Mockridge, Billing And Credentialing, as its authorized official.

NPPES Registry Identity

NPI1841889961
Entity TypeOrganization
Primary Taxonomy207T00000X
Legal Business NameASTERIOS TSIMPAS MD MSC MBA INC
Location Address26732 CROWN VALLEY PKWY STE 541Mission Viejo, CA 92691-6376
Mailing Address26732 Crown Valley Pkwy Ste 541Mission Viejo, CA 92691-6376 · (949) 388-7190 · Fax (949) 388-7150
Fax(949) 388-7150
Organization SubpartNo
Authorized OfficialJennifer MockridgeBilling And Credentialing · (949) 388-5027
Enumeration DateJanuary 13, 2021
Last NPPES UpdateJanuary 28, 20212 updates tracked since enumeration
NPPES CertifiedJanuary 28, 2021
✔ NPI 1841889961 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
26732 CROWN VALLEY PKWY STE 541, Mission Viejo, CA 92691

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)

Asterios Tsimpas Md Msc Mba 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 Asterios Tsimpas MD Msc Mba Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Neurosurgery
NPI 1093919946
26732 CROWN VALLEY PKWY STE 541
Mission Viejo, CA 92691
(949) 388-7190
✔ 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 Asterios Tsimpas MD Msc Mba Inc's NPI number?

The NPI number for Asterios Tsimpas MD Msc Mba Inc is 1841889961. It was assigned to this organization in the NPPES registry on January 13, 2021.

Where is Asterios Tsimpas MD Msc Mba Inc located?

Asterios Tsimpas MD Msc Mba Inc is located at 26732 Crown Valley Pkwy Ste 541, Mission Viejo, CA 92691. The listed phone number is (949) 388-7190.

What is Asterios Tsimpas MD Msc Mba Inc's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Asterios Tsimpas MD Msc Mba Inc enrolled in Medicare?

Yes. Asterios Tsimpas MD Msc Mba Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Asterios Tsimpas MD Msc Mba Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Neurosurgery) reassigns their Medicare billing to Asterios Tsimpas MD Msc Mba 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 Asterios Tsimpas MD Msc Mba Inc was last updated on January 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.