William Earl Horning, PA-C

  • Terre Haute, IN
  • Physician assistant
NPI1699255232PAC ID0143570275
Medicare patients, 2024
119
Part D claims, 2024
234
Hospital affiliations
2
Industry payments
$93
Medical groups
4
Practice address
1606 N Seventh St, Terre Haute, IN 47804
Practice phone
Call (812) 238-7606
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Union Hospital

Hospital · Terre Haute, Indiana

See all 9 affiliations

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William Earl Horning is a physician assistant in Terre Haute, Indiana

William Horning practices at Union Hospital in Terre Haute, Indiana, part of Union Health System.

William Horning's NPI, 1699255232, was assigned on August 14, 2018. William Horning holds Indiana license 10002503A.

NPI and contact details
Medicare PAC ID
0143570275
NPI enumeration date
August 14, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(812) 238-7606
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
34
Medical school graduation
2018

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

William Earl Horning practices at Union Hospital in Terre Haute, Indiana

William Horning's primary practice is Union Hospital, at 1606 N Seventh St, Terre Haute, IN 47804 in Vigo County. The practice phone is (812) 238-7606.

  • Union Hospital
    1606 N Seventh St, Terre Haute, IN 47804 · Vigo CountyPhone(812) 238-7606

Source: Dmand AI Affiliation Data

William Earl Horning is affiliated with 5 sites of care and 4 medical groups

William Horning's primary practice is Union Hospital in Terre Haute, Indiana, part of Union Health System. William Horning is also affiliated with Union Hospital Clinton. The medical group on file is Vituity. Dmand AI also links William Horning to 3 more group practices and clinics and 3 medical groups, each named with a free account.

See all 9 affiliations for William Horning

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

Dmand AI tracks the EHR system at William Earl Horning's practice

Dmand AI tracks the electronic health record (EHR) system at each site where William Horning practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Union HospitalAvailable with a free account
+4 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where William Horning practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Union Health System and 6.2K+ hospitals, with verified contacts in the same login.

William Earl Horning is one of 323 physician assistants in Indiana

Medical is William Horning's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. William Horning is licensed in Indiana.

Specialties and state licenses

  • Medical physician assistant, IndianaPrimaryLicense 10002503A · taxonomy 363AM0700X

Physician assistants near William Horning

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 Earl Horning treated 119 Medicare patients in 2024, average age 72

CMS counts 119 Medicare patients who saw William Horning in 2024. The largest group is 75 to 84, with 41 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 39% are also on Medicaid. Their average risk score is 2.86, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts William Horning's median patient age at 72, with 54% women.

Medicare patients, 2024119
Average age72
Average risk score2.86
Also on Medicaid39%

William Horning's Medicare patients by age, 2024

William Horning's Medicare patients by sex, 2024

  • Women6151%
  • Men5849%

Chronic conditions among William Horning's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease64%
  4. Ischemic heart disease59%
  5. Heart failure56%
  6. Mood disorders56%
  7. Depression55%
  8. Anxiety54%

Share of Medicare patients with each condition. A patient can have several.

William Horning's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women54%
  • Men46%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

William Earl Horning wrote 234 Medicare Part D claims in 2024

In 2024, William Horning wrote 234 Medicare Part D claims for 87 patients. 87% of them were for generic drugs.

Part D claims, 2024234
Part D patients87

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

  • Generic204 claims87%
  • Brand-name and other30 claims13%

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

  • Antibiotics12%28 of 234 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

How William Earl Horning takes part in Medicare

William Horning accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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William Earl Horning received $93 in industry payments in 2025

CMS Open Payments shows 5 general payments to William Horning from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $46.

Companies that paid William Horning the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to William Horning

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

Sources for William Earl Horning'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (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 Earl Horning

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 Earl Horning's NPI number?

William Earl Horning's NPI number is 1699255232. It was assigned on August 14, 2018, and it is active in the NPI Registry.

What does William Earl Horning specialize in?

William Earl Horning is a physician assistant in Terre Haute, Indiana. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).

Where does William Earl Horning practice?

William Horning practices at 1606 N Seventh St, Terre Haute, IN 47804. William Horning's primary practice is Union Hospital in Terre Haute, Indiana, part of Union Health System. Dmand AI also links William Horning to 3 group practices and clinics and 3 medical groups.

What is William Earl Horning's office phone number?

The practice phone on file for William Horning is (812) 238-7606.

What is William Earl Horning's medical license number?

William Horning holds Indiana license 10002503A.

Which hospitals is William Earl Horning affiliated with?

William Horning practices at Union Hospital in Terre Haute, Indiana. William Horning is also affiliated with Union Hospital Clinton.

What medical group is William Earl Horning part of?

William Horning is linked to Vituity. Dmand AI links William Horning to 3 more medical groups.

Does William Earl Horning accept Medicare?

Yes. CMS lists William Horning as accepting Medicare assignment.

How many Medicare patients does William Earl Horning see?

CMS counts 119 Medicare patients who saw William Horning in 2024, with an average age of 72.

Has William Earl Horning received payments from drug or device companies?

CMS Open Payments shows $93 in general payments to William Horning from 4 companies from 2025 to 2025. The largest total came from Pfizer Inc.

How long has William Earl Horning been practicing?

William Horning graduated from medical school in 2018, 8 years ago.

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