Theodore Holroyd, PA
NPI 1467670901 · Physician Assistant · Antioch, IL
Enrolled with Medicare as Order and Referring Only - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theodore Holroyd, PA is a Physician Assistant provider in Antioch, IL (NPI 1467670901).
Provider details
- NPI number
- 1467670901
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 085001216 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 79 | 29 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 76 | 69 |
| Atorvastatin Calcium | 56 | 21 |
| Rosuvastatin Calcium | 53 | 24 |
| Prednisone | 53 | 34 |
| Azithromycin | 49 | 42 |
| Methylprednisolone | 49 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-22
- Last updated
- 2019-12-11
- Certified
- 2019-12-11
Frequently asked questions
- What is Theodore Holroyd's NPI number?
- Theodore Holroyd's National Provider Identifier (NPI) is 1467670901, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Holroyd's specialty?
- Theodore Holroyd is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Theodore Holroyd located?
- Theodore Holroyd's practice location on file with NPPES is 543 Orchard St, Antioch, IL 60002-3107.
- What is Theodore Holroyd's phone number?
- The practice phone number listed in the NPPES registry for Theodore Holroyd is (847) 395-3322.
- Does Theodore Holroyd accept Medicare?
- Theodore Holroyd is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theodore Holroyd's NPI active?
- Yes — Theodore Holroyd's NPI (1467670901) is active in the NPPES registry as of the last update on 2019-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.