Annie Ch Hsu, OD - Medicare Optometrist in Houston, TX

Annie Ch Hsu, OD is a medicare enrolled "Optometrist" provider in Houston, Texas. She went to Southern College Of Optometry and graduated in 2004 and has 20 years of diverse experience with area of expertise as Optometry. She is a member of the group practice Christine C Castillo Associates Pllc and her current practice location is 12710 W. Lake Houston Pkway, Ste F, Houston, Texas. You can reach out to her office (for appointments etc.) via phone at (281) 436-1800.

Annie Ch Hsu is licensed to practice in Texas (license number 6646TG) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1427172386.

Contact Information

Annie Ch Hsu, OD
12710 W. Lake Houston Pkway, Ste F,
Houston, TX 77044-6280
(281) 436-1800
(281) 436-0611

Map and Direction




Healthcare Provider's Profile

Full NameAnnie Ch Hsu
GenderFemale
SpecialityOptometry
Experience20 Years
Location12710 W. Lake Houston Pkway, Houston, Texas
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Annie Ch Hsu attended and graduated from Southern College Of Optometry in 2004
  NPI Data:
  • NPI Number: 1427172386
  • Provider Enumeration Date: 03/18/2007
  • Last Update Date: 10/20/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 1254502834
  • Enrollment ID: I20110913000301

Medical Identifiers

Medical identifiers for Annie Ch Hsu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427172386NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 6646TG (Texas)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Christine C Castillo Associates Pllc35777341442

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Annie Ch Hsu allows following entities to bill medicare on her behalf.
Provider NameChristine C Castillo Associates Pllc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1659668051
PECOS PAC ID: 3577734144
Enrollment ID: O20110913000209

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Annie Ch Hsu is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Annie Ch Hsu, OD
1206 Colony Lakes Dr,
Sugar Land, TX 77479-4006

Ph: (832) 524-6729
Annie Ch Hsu, OD
12710 W. Lake Houston Pkway, Ste F,
Houston, TX 77044-6280

Ph: (281) 436-1800

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.