MARIO P. AMMIRATI MD
NPI 1730137043
Neurological Surgery in San Diego, CA
About Mario P. Ammirati Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIO P. AMMIRATI MD (NPI 1730137043) is an individual neurological surgery provider in San Diego, California, licensed in Indiana (01083738A) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Lima, and is a graduate of Other (1989).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mario P. Ammirati Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Mario Ammirati reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 clinicians in this Medicare group
La Mesa, CA 91942
- Reassigned Medicare billing, California enrollment
Bismarck, ND 58501
- Reassigned Medicare billing, North Dakota enrollment
- 616 clinicians in this Medicare group
Lafayette, IN 47904
- Reassigned Medicare billing, Indiana enrollment
- 671 clinicians in this Medicare group
Fort Wayne, IN 46804
- Reassigned Medicare billing, Indiana enrollment
- 301 clinicians in this Medicare group
Columbus, OH 43214
- Reassigned Medicare billing, Ohio enrollment
- 3,314 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92121 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN DIEGO, CA 92121
SAN DIEGO, CA 92121
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 Mario Ammirati's NPI number?
The NPI number for Mario Ammirati is 1730137043. It was assigned to this individual provider in the NPPES registry on May 5, 2006.
Where is Mario Ammirati located?
Mario Ammirati practices at 11199 Sorrento Valley Rd Ste 203, San Diego, CA 92121. The listed phone number is (619) 566-0640.
What is Mario Ammirati's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Mario Ammirati enrolled in Medicare?
Yes. Mario Ammirati is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mario Ammirati's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mario Ammirati reassigns Medicare benefits to 6 organizations: Emergency And Acute Care Medical Corporation (San Diego, CA), Mario Ammirati M D Inc (La Mesa, CA), St. Alexius Medical Center (Bismarck, ND), Arnett Clinic, LLC (Lafayette, IN), Lutheran Medical Group LLC (Fort Wayne, IN) and 1 more organization, listed in the Medicare section above. Each 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 Mario Ammirati's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mario Ammirati accept?
Health plans from Blue Cross Blue Shield of North Dakota and CareSource list Mario Ammirati as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mario Ammirati was last updated on December 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.