LARS ANKER M.D. A MEDICAL CORPORATION
NPI 1336404235
Neurological Surgery in Orange, CA

Active since July 07, 2012
1310 W STEWART DR, SUITE 410, ORANGE, CA 92868(714) 919-7661(714) 639-4105 Get Directions Write a Review

NPPES record last updated: July 7, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Lars Anker M.d. A Medical Corporation NPPES

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

LARS ANKER M.D. A MEDICAL CORPORATION (NPI 1336404235) is a healthcare organization registered as a neurological surgery in Orange, California and active in the NPI registry since July 2012. The organization lists Lars Anker, President, as its authorized official.

NPPES Registry Identity

NPI1336404235
Entity TypeOrganization
Primary Taxonomy207T00000X
Legal Business NameLARS ANKER M.D. A MEDICAL CORPORATION
Location Address1310 W STEWART DR, SUITE 410Orange, CA 92868-3854
Mailing Address1310 W Stewart Dr, Suite 410Orange, CA 92868-3854 · (714) 919-7661 · Fax (714) 639-4105
Fax(714) 639-4105
Organization SubpartNo
Authorized OfficialLars AnkerPresident · (717) 919-7661
Enumeration DateJuly 7, 2012
✔ NPI 1336404235 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License✔ Licensed in CA · A90065
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.
1310 W STEWART DR, Orange, CA 92868

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lars Anker M.d. A 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.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20120820000907Non-DME Part B · Clinic/Group PracticeDue dateMarch 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Lars Anker M.D. A Medical Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Neurosurgery
NPI 1962548537
1310 W STEWART DR STE 212
Orange, CA 92868
(714) 835-2724
✔ 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 Lars Anker M.D. A Medical Corporation's NPI number?

The NPI number for Lars Anker M.D. A Medical Corporation is 1336404235. It was assigned to this organization in the NPPES registry on July 7, 2012.

Where is Lars Anker M.D. A Medical Corporation located?

Lars Anker M.D. A Medical Corporation is located at 1310 W Stewart Dr Suite 410, Orange, CA 92868. The listed phone number is (714) 919-7661.

What is Lars Anker M.D. A Medical Corporation's specialty?

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

Is Lars Anker M.D. A Medical Corporation enrolled in Medicare?

Yes. Lars Anker M.D. A Medical Corporation is registered in the Medicare PECOS enrollment system.

When is Lars Anker M.D. A 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 Lars Anker M.D. A Medical Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Neurosurgery) reassigns their Medicare billing to Lars Anker M.D. A 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 Lars Anker M.D. A Medical Corporation was last updated on July 7, 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.