HEA CLINIC PA
NPI 1689792053
Ophthalmology in Sugar Land, TX
About Hea Clinic Pa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HEA CLINIC PA (NPI 1689792053), doing business as Houston Eye Associates, is a healthcare organization registered as an ophthalmology in Sugar Land, Texas and active in the NPI registry since March 2007. The organization lists Thomas Merkle, Chief Information Officer, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Hea Clinic Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by November 30, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
44Medicare enrollment records show 44 clinicians reassign Medicare billing to Hea Clinic PA, which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 2
Nearest to this location (20)
See all 44Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Hea Clinic PA's NPI number?
The NPI number for Hea Clinic PA is 1689792053. It was assigned to this organization in the NPPES registry on March 26, 2007. The provider is doing business as Houston Eye Associates.
Where is Hea Clinic PA located?
Hea Clinic PA is located at 1447 Highway 6 Ste 110, Sugar Land, TX 77478. The listed phone number is (281) 565-2020.
What is Hea Clinic PA's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Hea Clinic PA enrolled in Medicare?
Yes. Hea Clinic PA is registered in the Medicare PECOS enrollment system.
When is Hea Clinic PA's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Texas, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Hea Clinic PA?
According to the CMS Revalidation Reassignment List (October 2026 release), 44 clinicians in 2 Medicare specialties reassign their Medicare billing to Hea Clinic PA. A 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 the clinician's services. The largest specialties are Ophthalmology (43) and Optometry (1). Of these, 3 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Hea Clinic PA accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list Hea Clinic PA 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 Hea Clinic PA was last updated on February 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Hea Clinic Pa · NPI 1689792053
Ophthalmology organization in Sugar Land, Texas. Organization record, active in the CMS NPPES registry since March 26, 2007.
## Identity
- **NPI:** 1689792053 (Entity type: Organization)
- **Enumerated:** March 26, 2007
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **Also known as:** Houston Eye Associates (Doing Business As)
- **Organization subpart:** Yes (part of Hea Clinic Pa)
- **Authorized official:** Thomas Merkle, CHIEF INFORMATION OFFICER
## Practice location
- **Address:** 1447 HIGHWAY 6 STE 110, Sugar Land, TX 77478-5094
- **Phone:** (281) 565-2020
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** November 30, 2026 (Non-DME Part B, Texas, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 44 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Ophthalmology (43), Optometry (1); 3 practice within 10 miles; [full list](https://npiprofile.com/npi/1689792053/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 6, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1689792053) · Data from the CMS NPPES public registry.