DR. DIANA HANNA OD
NPI 1073281762
Optometrist in Redlands, CA
About Dr. Diana Hanna Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DIANA HANNA OD (NPI 1073281762) is an individual optometrist in Redlands, California, licensed in California (34903) and active in the NPI registry since August 2021. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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. Diana Hanna Od 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
4Medicare enrollment records show Diana Hanna reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Redlands, CA 92373
- Reassigned Medicare billing, California enrollment
- 635 clinicians in this Medicare group
Upland, CA 91786
- Reassigned Medicare billing, California enrollment
- 50 clinicians in this Medicare group
Tustin, CA 92780
- Reassigned Medicare billing, California enrollment
- 2,052 clinicians in this Medicare group
Highland, CA 92346
- Reassigned Medicare billing, California enrollment
- 3 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 92373 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
REDLANDS, CA 92373
REDLANDS, CA 92373
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 Diana Hanna's NPI number?
The NPI number for Diana Hanna is 1073281762. It was assigned to this individual provider in the NPPES registry on August 30, 2021.
Where is Diana Hanna located?
Diana Hanna practices at 1690 Barton Rd, Redlands, CA 92373. The listed phone number is (909) 335-4112.
What is Diana Hanna's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Diana Hanna enrolled in Medicare?
Yes. Diana Hanna 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 Diana Hanna's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Hanna reassigns Medicare benefits to 4 organizations: Beaver Medical Group P C (Redlands, CA), Pacific Eye Institute, A Medical Group, Inc. (Upland, CA), Healthcare Partners Affiliates Medical Group (Tustin, CA) and Highland Optometrics (Highland, 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 Diana Hanna's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Diana Hanna accept?
Health plans from Blue Cross and Blue Shield of Louisiana and Providence Health Plan list Diana Hanna 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 Diana Hanna was last updated on January 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Dr. Diana Hanna, OD · NPI 1073281762
Optometrist provider in Redlands, California. Individual provider, active in the CMS NPPES registry since August 30, 2021.
## Identity
- **NPI:** 1073281762 (Entity type: Individual)
- **Enumerated:** August 30, 2021
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 34903 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1690 BARTON RD, Redlands, CA 92373-4229
- **Phone:** (909) 335-4112
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Beaver Medical Group P C (NPI 1649503319, Redlands, CA); Pacific Eye Institute, A Medical Group, Inc. (NPI 1962422709, Upland, CA); Healthcare Partners Affiliates Medical Group (NPI 1891981502, Tustin, CA); Highland Optometrics (NPI 1578031597, Highland, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** January 19, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1073281762) · Data from the CMS NPPES public registry.