Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM AARON HOPPER MD
NPI 1063974475
Surgery in San Antonio, TX

Q: What is William Hopper's NPI number?

The NPI number for William Hopper is 1063974475. It was assigned to this individual provider in the NPPES registry on April 3, 2019.

Q: What is William Hopper's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for William Hopper was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.

Active since April 03, 2019PECOS Enrolled

718 LEXINGTON AVE STE 102, SAN ANTONIO, TX 78212(210) 420-8671(210) 899-1958 Get Directions Write a Review

NPPES record last updated: July 24, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 24, 2026, Jun 2, 2026, Apr 3, 2019 (3 updates tracked since 2019).

On this page

About Dr. William Aaron Hopper Md NPPES

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

DR. WILLIAM AARON HOPPER MD (NPI 1063974475) is an individual surgery provider in San Antonio, Texas, licensed in Texas (W2299) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1063974475

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameDR. WILLIAM AARON HOPPERCredential: MD

Location Address718 LEXINGTON AVE STE 102San Antonio, TX 78212-4790

Mailing Address718 Lexington Ave Ste 102San Antonio, TX 78212-4790 · (210) 420-8671 · Fax (210) 899-1958

Phone(210) 420-8671

Fax(210) 899-1958

Sole ProprietorNo

Enumeration DateApril 3, 2019

Last NPPES UpdateJuly 24, 20263 updates tracked since enumeration

NPPES CertifiedJuly 24, 2026

✔ NPI 1063974475 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in TX · W2299

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

718 LEXINGTON AVE STE 102, San Antonio, TX 78212

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Aaron Hopper Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78212 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

$84.92 typical visit price

range $54.84 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

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.

Other Providers at the Same Location NPPES 2

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

MR. HASEEB ALI PA

Physician Assistant

718 LEXINGTON AVE STE 102
SAN ANTONIO, TX 78212

Bexar County (210) 420-8671

DR. JESUS MANUEL MATOS M.D.

Surgery (Vascular Surgery)

718 LEXINGTON AVE STE 102
SAN ANTONIO, TX 78212

Bexar County (210) 420-8671

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 Hopper's NPI number?

The NPI number for William Hopper is 1063974475. It was assigned to this individual provider in the NPPES registry on April 3, 2019.

Where is William Hopper located?

William Hopper practices at 718 Lexington Ave Ste 102, San Antonio, TX 78212. The listed phone number is (210) 420-8671.

What is William Hopper's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is William Hopper enrolled in Medicare?

Yes. William Hopper is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Hopper was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.