DR. MARZENA KELDER GILBERT O.D.
NPI 1245504851
Optometrist in Ventura, CA
About Dr. Marzena Kelder Gilbert O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARZENA KELDER GILBERT O.D. (NPI 1245504851) is an individual optometrist in Ventura, California, licensed in California (13959) and active in the NPI registry since February 2012. She is enrolled in Medicare PECOS and is a graduate of Southern California College Of Optometry (2010).
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. Marzena Kelder Gilbert O.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 Reassignment
Medicare enrollment records show Marzena Gilbert reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ventura, CA 93003
- Reassigned Medicare billing, California enrollment
- 8 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93003 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
VENTURA, CA 93003
VENTURA, CA 93003
VENTURA, CA 93003
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 Marzena Gilbert's NPI number?
The NPI number for Marzena Gilbert is 1245504851. It was assigned to this individual provider in the NPPES registry on February 29, 2012.
Where is Marzena Gilbert located?
Marzena Gilbert practices at 1280 S Victoria Ave #100, Ventura, CA 93003. The listed phone number is (805) 650-9922.
What is Marzena Gilbert's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Marzena Gilbert enrolled in Medicare?
Yes. Marzena Gilbert 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 organization bills Medicare for Marzena Gilbert's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marzena Gilbert reassigns Medicare benefits to Ventura Optometric Vision Care Inc. (Ventura, CA). The 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 Marzena Gilbert's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marzena Gilbert accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 2 other insurers list Marzena Gilbert 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 Marzena Gilbert was last updated on August 10, 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.
# Dr. Marzena Kelder Gilbert, O.D. · NPI 1245504851
Optometrist provider in Ventura, California. Individual provider, active in the CMS NPPES registry since February 29, 2012.
## Identity
- **NPI:** 1245504851 (Entity type: Individual)
- **Enumerated:** February 29, 2012
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 13959 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1280 S VICTORIA AVE, #100, Ventura, CA 93003-6555
- **Phone:** (805) 650-9922
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Ventura Optometric Vision Care Inc. (NPI 1619935103, Ventura, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Southern California College Of Optometry, class of 2010
## Record status
- **NPPES last updated:** August 10, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1245504851) · Data from the CMS NPPES public registry.