DR. GUS GEORGE HALAMANDARIS MD
NPI 1083621957
Neurological Surgery in Salinas, CA
About Dr. Gus George Halamandaris Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GUS GEORGE HALAMANDARIS MD (NPI 1083621957) is an individual neurological surgery provider in Salinas, California, licensed in California (G57889) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1983).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Dr. Gus George Halamandaris 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
3Medicare enrollment records show Gus Halamandaris reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Monterey, CA 93940
- Reassigned Medicare billing, California enrollment
- 68 clinicians in this Medicare group
Monterey, CA 93940
- Reassigned Medicare billing, California enrollment
- 132 clinicians in this Medicare group
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 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.
Areas of Expertise CMS Part B claims 23
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SALINAS, CA 93901
SALINAS, CA 93901
SALINAS, CA 93901
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 Gus Halamandaris's NPI number?
The NPI number for Gus Halamandaris is 1083621957. It was assigned to this individual provider in the NPPES registry on August 2, 2006.
Where is Gus Halamandaris located?
Gus Halamandaris practices at 220 San Jose St, Salinas, CA 93901. The listed phone number is (831) 424-0807.
What is Gus Halamandaris's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Gus Halamandaris enrolled in Medicare?
Yes. Gus Halamandaris 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 Gus Halamandaris's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gus Halamandaris reassigns Medicare benefits to 3 organizations: Montage Surgical Group (Monterey, CA), Monterey Spine & Joint PC (Monterey, CA) and Emergency And Acute Care Medical Corporation (San Diego, CA). 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 Gus Halamandaris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Gus Halamandaris was last updated on August 17, 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.