Theodore Voss Holroyd, PA
- Part D claims, 2024
- 1,539
- Hospital affiliations
- 1
- Industry payments
- $16
- Medical group
- 1
- State license
- 1
- Practice address
- 801 S Milwaukee Ave, Libertyville, IL 60048
- Practice phone
- Call (847) 362-2900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Theodore Holroyd's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Theodore Voss Holroyd is a physician assistant in Libertyville, Illinois
Theodore Holroyd practices at Advocate Condell Medical Center in Libertyville, Illinois, part of Advocate Health.
Theodore Holroyd's NPI, 1467670901, was assigned on April 22, 2007. Theodore Holroyd holds Illinois license 085001216.
- NPI
- 1467670901NPI Registry (opens in a new tab)
- NPI enumeration date
- April 22, 2007
- NPI status
- Active
- Practice phone
- (847) 362-2900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Theodore Voss Holroyd practices at Advocate Condell Medical Center in Libertyville, Illinois
Theodore Holroyd's primary practice is Advocate Condell Medical Center, at 801 S Milwaukee Ave, Libertyville, IL 60048 in Lake County. The practice phone is (847) 362-2900.
- Advocate Condell Medical Center801 S Milwaukee Ave, Libertyville, IL 60048 · Lake CountyPhone(847) 362-2900
Source: Dmand AI Affiliation Data
Theodore Voss Holroyd is affiliated with 2 sites of care and 1 medical group
Theodore Holroyd's primary practice is Advocate Condell Medical Center in Libertyville, Illinois, part of Advocate Health. The medical group on file is Lake Heart Specialists. Dmand AI also links Theodore Holroyd to 1 more hospital outpatient department, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Theodore Voss Holroyd's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Theodore Holroyd practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Condell Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Advocate Health and 6.2K+ hospitals, with verified contacts in the same login.
Theodore Voss Holroyd is one of 4,299 physician assistants in Illinois
Physician assistant is Theodore Holroyd's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Theodore Holroyd is licensed in Illinois.
Specialties and state licenses
- Physician assistant, IllinoisPrimary
Physician assistants near Theodore Holroyd
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
Theodore Voss Holroyd's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Theodore Holroyd's median patient age at 61, with 32% women.
Theodore Holroyd's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women32%
- Men68%
Source: Dmand AI Patient Panel Data
Theodore Voss Holroyd wrote 1,539 Medicare Part D claims in 2024
In 2024, Theodore Holroyd wrote 1,539 Medicare Part D claims for 496 patients. 91% of them were for generic drugs.
Theodore Holroyd's Part D claims by kind of drug, 2024
- Generic1,401 claims91%
- Brand-name and other138 claims9%
Drug classes CMS tracks in Theodore Holroyd's Part D claims, 2024
- Antibiotics18%274 of 1,539 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Theodore Voss Holroyd received $16 in industry payments in 2025
CMS Open Payments shows 1 general payment to Theodore Holroyd from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $16.
Companies that paid Theodore Holroyd the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Theodore Voss Holroyd's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Theodore Voss Holroyd
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Theodore Voss Holroyd's NPI number?
Theodore Voss Holroyd's NPI number is 1467670901. It was assigned on April 22, 2007, and it is active in the NPI Registry.
What does Theodore Voss Holroyd specialize in?
Theodore Voss Holroyd is a physician assistant in Libertyville, Illinois. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Theodore Voss Holroyd practice?
Theodore Holroyd practices at 801 S Milwaukee Ave, Libertyville, IL 60048. Theodore Holroyd's primary practice is Advocate Condell Medical Center in Libertyville, Illinois, part of Advocate Health. Dmand AI also links Theodore Holroyd to 1 hospital outpatient department.
What is Theodore Voss Holroyd's office phone number?
The practice phone on file for Theodore Holroyd is (847) 362-2900.
What is Theodore Voss Holroyd's medical license number?
Theodore Holroyd holds Illinois license 085001216.
Which hospitals is Theodore Voss Holroyd affiliated with?
Theodore Holroyd practices at Advocate Condell Medical Center in Libertyville, Illinois.
What medical group is Theodore Voss Holroyd part of?
Theodore Holroyd is linked to Lake Heart Specialists.
Has Theodore Voss Holroyd received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Theodore Holroyd from 1 company from 2025 to 2025. The largest total came from Amgen Inc.
How long has Theodore Voss Holroyd been practicing?
Theodore Holroyd's NPI was assigned in 2007.
Selling to physician assistant practices?
See physician assistants in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card