William D'Antonio

  • Katy, TX
  • Physician assistant
NPI1083204614
Part D claims, 2024
3,390
Hospital affiliations
3
Industry payments
$50
State license
1
Year NPI issued
2021
Practice address
21720 Kingsland Blvd, Suite 102, Katy, TX 77450
Practice phone
Call (281) 579-5678
Professional email
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Personal email
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Mobile number
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Social profiles

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William D'Antonio is a physician assistant in Katy, Texas

William D'Antonio practices at Memorial Hermann Rehabilitation Hospital-Katy in Katy, Texas, part of Memorial Hermann Health System.

William D'Antonio's NPI, 1083204614, was assigned on January 18, 2021. William D'Antonio holds Texas license PA15734.

NPI and contact details
NPI enumeration date
January 18, 2021
NPI status
Active
Practice phone
(281) 579-5678
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
31
Medical school graduation
2021

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

William D'Antonio practices at Memorial Hermann Rehabilitation Hospital-Katy in Katy, Texas

William D'Antonio's primary practice is Memorial Hermann Rehabilitation Hospital-Katy, at 21720 Kingsland Blvd, Suite 102, Katy, TX 77450 in Harris County. The practice phone is (281) 579-5678.

Source: Dmand AI Affiliation Data

William D'Antonio is affiliated with 4 sites of care

William D'Antonio's primary practice is Memorial Hermann Rehabilitation Hospital-Katy in Katy, Texas, part of Memorial Hermann Health System. Dmand AI also links William D'Antonio to 2 hospitals and 1 therapy and rehab clinic, each named with a free account.

See all 4 affiliations for William D'Antonio

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at William D'Antonio's practice

Dmand AI tracks the electronic health record (EHR) system at each site where William D'Antonio practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Memorial Hermann Rehabilitation Hospital-KatyAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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William D'Antonio is one of 8,663 physician assistants in Texas

Physician assistant is William D'Antonio's primary specialty in the NPI Registry, under taxonomy code 363A00000X. William D'Antonio is licensed in Texas.

Specialties and state licenses

  • Physician assistant, TexasPrimaryLicense PA15734 · taxonomy 363A00000X

Physician assistants near William D'Antonio

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

William D'Antonio's patients have a median age of 45

Across all payers, Dmand AI patient panel data puts William D'Antonio's median patient age at 45, with 67% women.

William D'Antonio's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 45

Patient panel by sex, all payers

  • Women67%
  • Men32%

Source: Dmand AI Patient Panel Data

William D'Antonio wrote 3,390 Medicare Part D claims in 2024

In 2024, William D'Antonio wrote 3,390 Medicare Part D claims for 587 patients. 85% of them were for generic drugs.

Part D claims, 20243,390
Part D patients587

William D'Antonio's Part D claims by kind of drug, 2024

  • Generic2,890 claims85%
  • Brand-name430 claims13%
  • Other70 claims2%

Drug classes CMS tracks in William D'Antonio's Part D claims, 2024

  • Antibiotics4%130 of 3,390 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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William D'Antonio received $50 in industry payments in 2025

CMS Open Payments shows 2 general payments to William D'Antonio from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $50.

Companies that paid William D'Antonio the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to William D'Antonio

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for William D'Antonio's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about William D'Antonio

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is William D'Antonio's NPI number?

William D'Antonio's NPI number is 1083204614. It was assigned on January 18, 2021, and it is active in the NPI Registry.

What does William D'Antonio specialize in?

William D'Antonio is a physician assistant in Katy, Texas. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does William D'Antonio practice?

William D'Antonio practices at 21720 Kingsland Blvd, Suite 102, Katy, TX 77450. William D'Antonio's primary practice is Memorial Hermann Rehabilitation Hospital-Katy in Katy, Texas, part of Memorial Hermann Health System. Dmand AI also links William D'Antonio to 2 hospitals and 1 therapy and rehab clinic.

What is William D'Antonio's office phone number?

The practice phone on file for William D'Antonio is (281) 579-5678.

What is William D'Antonio's medical license number?

William D'Antonio holds Texas license PA15734, one of 2 state licenses on file.

Which hospitals is William D'Antonio affiliated with?

William D'Antonio practices at Memorial Hermann Rehabilitation Hospital-Katy in Katy, Texas. Dmand AI links William D'Antonio to 2 more hospitals.

Has William D'Antonio received payments from drug or device companies?

CMS Open Payments shows $50 in general payments to William D'Antonio from 1 company from 2025 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has William D'Antonio been practicing?

William D'Antonio graduated from medical school in 2021, 5 years ago.

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