DR. ALEXANDER A IVANOV M.D.
NPI 1285895045
Neurological Surgery in Sacramento, CA
About Dr. Alexander A Ivanov M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER A IVANOV M.D. (NPI 1285895045) is an individual neurological surgery provider in Sacramento, California, licensed in California (A151118) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Fhn Memorial Hospital, and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Alexander A Ivanov M.d. 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
2Medicare enrollment records show Alexander Ivanov reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sacramento, CA 95833
- Reassigned Medicare billing, California enrollment
- 3,056 clinicians in this Medicare group
Rockford, IL 61103
- Reassigned Medicare billing, Illinois enrollment
- 1,375 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 8
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Fhn Memorial Hospital
Acute Care Hospitals · Freeport, ILJavon Bea Hospital
Acute Care Hospitals · Rockford, ILMercyone Clinton Medical Center
Acute Care Hospitals · Clinton, IAMercy Health System Corp
Acute Care Hospitals · Janesville, WIMercy Walworth Hospital & Medical Center
Critical Access Hospitals · Lake Geneva, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95816 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SACRAMENTO, CA 95816
SACRAMENTO, CA 95816
SACRAMENTO, CA 95816
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 Alexander Ivanov's NPI number?
The NPI number for Alexander Ivanov is 1285895045. It was assigned to this individual provider in the NPPES registry on June 24, 2008.
Where is Alexander Ivanov located?
Alexander Ivanov practices at 2800 L St Ste 500, Sacramento, CA 95816. The listed phone number is (916) 454-6850.
What is Alexander Ivanov's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is Alexander Ivanov enrolled in Medicare?
Yes. Alexander Ivanov 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 Alexander Ivanov's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Ivanov reassigns Medicare benefits to 2 organizations: Sutter Valley Medical Foundation (Sacramento, CA) and Rockford Health Physicians (Rockford, IL). 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 Alexander Ivanov's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Ivanov accept?
Health plans from Anthem Blue Cross and Blue Shield, MercyCare and MercyCare Health Plans list Alexander Ivanov 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.
Is Alexander Ivanov affiliated with any hospitals?
According to CMS data, Alexander Ivanov is affiliated with Fhn Memorial Hospital, Javon Bea Hospital, Mercyone Clinton Medical Center, Mercy Health System Corp and Mercy Walworth Hospital & Medical Center.
When was this NPI record last updated?
The NPPES record for Alexander Ivanov was last updated on September 25, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.