CHRISTIE MACKENZIE O.D.
NPI 1124478128
Optometrist in Berkeley, CA
About Christie Mackenzie O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTIE MACKENZIE O.D. (NPI 1124478128) is an individual optometrist in Berkeley, California, licensed in California (34419TLG) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in Baltimore, and is a graduate of State University Of New York - State College Optometry (2016).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Christie Mackenzie 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 Reassignments
3Medicare enrollment records show Christie Mackenzie reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Leandro, CA 94577
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
Novato, CA 94945
- Reassigned Medicare billing, California enrollment
- 4 clinicians in this Medicare group
Fairfield, CA 94534
- Reassigned Medicare billing, California enrollment
- 5 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 10
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 94704 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Christie Mackenzie's NPI number?
The NPI number for Christie Mackenzie is 1124478128. It was assigned to this individual provider in the NPPES registry on June 21, 2016.
Where is Christie Mackenzie located?
Christie Mackenzie practices at 1936 University Ave Ste 112, Berkeley, CA 94704. The listed phone number is (510) 488-6767.
What is Christie Mackenzie's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Christie Mackenzie enrolled in Medicare?
Yes. Christie Mackenzie 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 Christie Mackenzie's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christie Mackenzie reassigns Medicare benefits to 3 organizations: Rosalia Saavedra,od A Professional Corporation (San Leandro, CA), Tania Mantua & Matt H Siu Od A Professional Corporation (Novato, CA) and Solano Eye Care An Optometric Corporation (Fairfield, 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 Christie Mackenzie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christie Mackenzie 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 Christie Mackenzie 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 Christie Mackenzie was last updated on November 19, 2020. 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.
# Christie Mackenzie, O.D. · NPI 1124478128
Optometrist provider in Berkeley, California. Individual provider, active in the CMS NPPES registry since June 21, 2016.
## Identity
- **NPI:** 1124478128 (Entity type: Individual)
- **Enumerated:** June 21, 2016
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 34419TLG (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1936 UNIVERSITY AVE STE 112, Berkeley, CA 94704-1003
- **Phone:** (510) 488-6767
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Rosalia Saavedra,od A Professional Corporation (NPI 1225495922, San Leandro, CA); Tania Mantua & Matt H Siu Od A Professional Corporation (NPI 1376762229, Novato, CA); Solano Eye Care An Optometric Corporation (NPI 1528276854, Fairfield, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York - State College Optometry, class of 2016
## Record status
- **NPPES last updated:** November 19, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1124478128) · Data from the CMS NPPES public registry.