NPPES file of Aug 9, 2026

William E. Sponsel, M.D.

Ophthalmology Physician · San Antonio, TX

William E. Sponsel, M.D. is an ophthalmology physician with a practice address in San Antonio, Texas, and NPI 1396754958, issued on Aug 5, 2006. Check the license (Texas J7208, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1396754958
Name
William E. Sponsel
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
J7208 TX
Self-reported in NPPES; status is on the state search
Practice location
5210 Thousand Oaks Dr Ste 1244, San Antonio, TX 78233
Phone
(210) 223-9292
Enumerated
Aug 5, 2006
Record last updated
Apr 10, 2023
Fax
(210) 223-9266
Medicare enrollment
Enrolled (PECOS I20080401000367); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5210 Thousand Oaks Dr Ste 1244

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Saoul Mancha, ODOptometrist1891357877

Verify William E. Sponsel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license J7208
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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27% more Medicare Part D claims than the average ophthalmology physician in 2024

1,935 Medicare Part D claims for 259 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.

  1. William Sponsel1,935
  2. Specialty average1,518

Most prescribed

  1. Dorzolamide Hcl377 claims
  2. Prednisolone Acetate259 claims
  3. Brimonidine Tartrate211 claims
  4. Latanoprost175 claims
  5. Moxifloxacin164 claims
  6. Ketorolac Tromethamine141 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 91.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score78.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $269.50

3 payments; by number, the most common kind was food and beverage; the largest payer was New World Medical,inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Sponsel$269.50
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. University OF The Incarnate WordSan Antonio, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William E. Sponsel among 1,514 ophthalmology physician records in Texas

William E. Sponsel, M.D. is one of 1,514 ophthalmology physician records with a practice address in Texas. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 22% of them.

  • NPI issued2006 · 22% of these records are older, 48% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1986 · median 2003 among the 1,052 with a school on file
  • Record last updated2023 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Texas

There are 1,514 ophthalmology physician records in Texas.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Jon Berry, M.D.Live Oak, TX 782331174637482
  2. Aaron Pittard, MDSan Antonio, TX 782331013929728
  3. William Walton, M.D.Live Oak, TX 782331134235500
  4. Katherine Baker, DOFort Sam Houston, TX 782341588041503
  5. Melissa Bohonos, M.DSan Antonio, TX 782321235394230
  6. Darrel Carlton, MDFort Sam Houston, TX 782341427128677
  7. Benjamin Chacko, M.D.Fort Sam Houston, TX 782341033109269
  8. Sheri Demartelaere, M.D.Fort Sam Houston, TX 782341083605430

Common questions

What is William E. Sponsel, M.D.'s NPI number?

William E. Sponsel, M.D.'s National Provider Identifier (NPI) is 1396754958, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William E. Sponsel, M.D. located?

The NPPES record lists a practice address at 5210 Thousand Oaks Dr Ste 1244, San Antonio, TX, 78233. Phone: (210) 223-9292. Providers update this record themselves, so call before visiting.

How can I verify William E. Sponsel, M.D.'s license?

NPPES lists Texas license number J7208, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William E. Sponsel, M.D. prescribe under Medicare Part D?

In 2024, William E. Sponsel, M.D. had 1,935 Medicare Part D claims for 259 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is William E. Sponsel, M.D.'s MIPS final score?

The 2023 MIPS final score is 91.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.