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WILLIAM E SPONSEL M.D.
NPI 1396754958
Ophthalmology in San Antonio, TX

Active since August 05, 2006PECOS EnrolledAccepts Medicare Assignment
91.11/100
CMS Quality Rating
5210 THOUSAND OAKS DR STE 1244, SAN ANTONIO, TX 78233(210) 223-9292(210) 223-9266 Get Directions Write a Review

NPPES record last updated: April 10, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 10, 2023, Apr 7, 2023 (2 updates tracked since 2023).

About William E Sponsel M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM E SPONSEL M.D. (NPI 1396754958) is an individual ophthalmology provider in San Antonio, Texas, licensed in Texas (J7208) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Methodist Hospital, and is a graduate of Other (1986).

NPPES Registry Identity

NPI1396754958
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameWILLIAM E SPONSELCredential: M.D.
Location Address5210 THOUSAND OAKS DR STE 1244San Antonio, TX 78233-6974
Mailing Address5210 Thousand Oaks Dr Ste 1244San Antonio, TX 78233-6974 · (210) 223-9292 · Fax (210) 223-9266
Phone(210) 223-9292
Fax(210) 223-9266
Sole ProprietorYes
Medical School CMSOtherGraduated 1986
Enumeration DateAugust 5, 2006
Last NPPES UpdateApril 10, 20232 updates tracked since enumeration
NPPES CertifiedApril 10, 2023
✔ NPI 1396754958 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in TX · J7208
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
5210 THOUSAND OAKS DR STE 1244, San Antonio, TX 78233
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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

William E Sponsel M.d. 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.

PECOS PAC ID941386932
PECOS Enrollment IDI20080401000367
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show William Sponsel reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

William E Sponsel, M.D. PA
Same address
Ophthalmology
5210 THOUSAND OAKS DR STE 1244
San Antonio, TX 78233
  • Reassigned Medicare billing, Texas enrollment
NPI 1568600534 (210) 223-9292
Texas Educational Academic Medical Foundation
Same address
Ophthalmology
5210 THOUSAND OAKS DR STE 1244
San Antonio, TX 78233
  • Reassigned Medicare billing, Texas enrollment
  • 4 clinicians in this Medicare group
NPI 1164382065 (210) 223-9292
University Of The Incarnate Word
10 mi
Optometrist
9725 DATAPOINT DR
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 76 clinicians in this Medicare group
NPI 1003129784 (210) 883-1194

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 12

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.

Exam of visual field with extended testing 92083
An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.
347 services162 patients
Established patient problem focused exam of visual system 92012
This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.
327 services146 patients
Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
178 services144 patients
Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
64 services12 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
63 services61 patients
Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
57 services56 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Methodist Hospital

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450388
Location7700 Floyd Curl DrSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78233 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.11/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality78.9
Improvement Activities40

Reported Quality Measures

Documentation of Current Medications in the Medical Record
100%757 patients5/55-star benchmark: 100%
Glaucoma Intraocular Pressure Reduction
86%207 patients
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients screened: 100% · 724 patients
100%724 patients
Primary Open-Angle Glaucoma (POAG): Reduction of Intraocular Pressure (IOP) by 15% OR Documentation of a Plan of Care
99%180 patients
Tobacco Use and Help with Quitting Among Adolescents
100%330 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TEXAS EDUCATIONAL ACADEMIC MEDICAL FOUNDATION
Ophthalmology
5210 THOUSAND OAKS DR STE 1244
SAN ANTONIO, TX 78233
Bexar County (210) 223-9292
WILLIAM E SPONSEL, M.D. PA
Ophthalmology
5210 THOUSAND OAKS DR STE 1244
SAN ANTONIO, TX 78233
Bexar County (210) 223-9292
DR. SAOUL ADAN MANCHA OD
Optometrist
5210 THOUSAND OAKS DR STE 1244
SAN ANTONIO, TX 78233
Bexar County (210) 223-9292

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 William Sponsel's NPI number?

The NPI number for William Sponsel is 1396754958. It was assigned to this individual provider in the NPPES registry on August 5, 2006.

Where is William Sponsel located?

William Sponsel practices at 5210 Thousand Oaks Dr Ste 1244, San Antonio, TX 78233. The listed phone number is (210) 223-9292.

What is William Sponsel's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is William Sponsel enrolled in Medicare?

Yes. William Sponsel 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 William Sponsel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Sponsel reassigns Medicare benefits to 3 organizations: William E Sponsel, M.D. PA (San Antonio, TX), Texas Educational Academic Medical Foundation (San Antonio, TX) and University Of The Incarnate Word (San Antonio, TX). 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 William Sponsel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Sponsel 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 8 other insurers list William Sponsel 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.

Is William Sponsel affiliated with any hospitals?

According to CMS data, William Sponsel is affiliated with Methodist Hospital.

When was this NPI record last updated?

The NPPES record for William Sponsel was last updated on April 10, 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.