William E Sponsel, MD - Medicare Ophthalmology in San Antonio, TX

William E Sponsel, MD is a medicare enrolled "Ophthalmology" physician in San Antonio, Texas. He graduated from medical school in 1986 and has 38 years of diverse experience with area of expertise as Ophthalmology. His current practice location is 5210 Thousand Oaks Dr Ste 1244, San Antonio, Texas. You can reach out to his office (for appointments etc.) via phone at (210) 223-9292.

William E Sponsel is licensed to practice in Texas (license number J7208) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1396754958.

Contact Information

William E Sponsel, MD
5210 Thousand Oaks Dr Ste 1244,
San Antonio, TX 78233-6974
(210) 223-9292
(210) 223-9266

Map and Direction




Physician's Profile

Full NameWilliam E Sponsel
GenderMale
SpecialityOphthalmology
Experience38 Years
Location5210 Thousand Oaks Dr Ste 1244, San Antonio, Texas
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • William E Sponsel graduated from medical school in 1986
  NPI Data:
  • NPI Number: 1396754958
  • Provider Enumeration Date: 08/05/2006
  • Last Update Date: 04/10/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 0941386932
  • Enrollment ID: I20080401000367

Medical Identifiers

Medical identifiers for William E Sponsel such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1396754958NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology J7208 (Texas)Primary

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. William E Sponsel allows following entities to bill medicare on his behalf.
Entity NameWilliam E Sponsel, M.d. Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1568600534
PECOS PAC ID: 6709916257
Enrollment ID: O20100610000472
Entity NameUniversity Of The Incarnate Word
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003129784
PECOS PAC ID: 9234310301
Enrollment ID: O20110222001023

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. William E Sponsel 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
William E Sponsel, MD
5210 Thousand Oaks Dr Ste 1244,
San Antonio, TX 78233-6974

Ph: (210) 223-9292
William E Sponsel, MD
5210 Thousand Oaks Dr Ste 1244,
San Antonio, TX 78233-6974

Ph: (210) 223-9292

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).

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