DIANA LY OD
NPI 1538778907
Optometrist in Rosenberg, TX
About Diana Ly Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANA LY OD (NPI 1538778907) is an individual optometrist in Rosenberg, Texas, licensed in Texas (10033) and active in the NPI registry since July 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Katy, and is a graduate of University Of Houston - College Of Optometry (2020).
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
Diana Ly 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
3Medicare enrollment records show Diana Ly reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rosenberg, TX 77471
- Reassigned Medicare billing, Texas enrollment
- 396 clinicians in this Medicare group
Kerrville, TX 78028
- Reassigned Medicare billing, Texas enrollment
- 404 clinicians in this Medicare group
Tolland, CT 06084
- Reassigned Medicare billing, Texas 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
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 77471 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
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 Diana Ly's NPI number?
The NPI number for Diana Ly is 1538778907. It was assigned to this individual provider in the NPPES registry on July 30, 2020.
Where is Diana Ly located?
Diana Ly practices at 23515 Brazos Town Crossing, Rosenberg, TX 77471. The listed phone number is (346) 762-6076.
What is Diana Ly's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Diana Ly enrolled in Medicare?
Yes. Diana Ly 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 Ly's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Ly reassigns Medicare benefits to 3 organizations: Med Southwest, PLLC (Rosenberg, TX), Aeg Texas Professional PLLC (Kerrville, TX) and Swift Optometry Care PC (Tolland, CT). 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 Ly's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Diana Ly accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 16 other insurers list Diana Ly 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 Ly was last updated on January 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Diana Ly, OD · NPI 1538778907
Optometrist provider in Rosenberg, Texas. Individual provider, active in the CMS NPPES registry since July 30, 2020.
## Identity
- **NPI:** 1538778907 (Entity type: Individual)
- **Enumerated:** July 30, 2020
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 10033 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 23515 BRAZOS TOWN CROSSING, Rosenberg, TX 77471
- **Phone:** (346) 762-6076
## 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): Med Southwest, PLLC (NPI 1720741416, Rosenberg, TX); Aeg Texas Professional PLLC (NPI 1457905937, Kerrville, TX); Swift Optometry Care PC (NPI 1063753887, Tolland, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Houston - College Of Optometry, class of 2020
## Record status
- **NPPES last updated:** January 18, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1538778907) · Data from the CMS NPPES public registry.