Quick answers
- Does Zachary L. Worley accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary L. Worley accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Zachary L. Worley see?
- In 2024, CMS data shows 351 Original Medicare patients and 428 services for Zachary L. Worley. This counts Original Medicare only and measures volume, not quality.
- What is Zachary L. Worley's NPI number?
- 1538320254. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Zachary L. Worley, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 351 |
|---|---|
| Services billed to Medicare | 428 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)157 services
- Emergency department visit with moderate level of medical decision making (99284)114 services
- Emergency department visit with low level of medical decision making (99283)78 services
- Critical care, first 30-74 minutes (99291)27 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)13 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol66%
- Arthritis52%
- Anxiety45%
- Diabetes40%
- Depression38%
Hospitals where Zachary L. Worley works
Medicare's Facility Affiliation Data lists Zachary L. Worley at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Ascension St Vincent ClayBrazil, IN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 151309
- Greene County General HospitalLinton, IN · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 151317
- Indiana University HealthIndianapolis, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150056
- Terre Haute Regional HospitalTerre Haute, IN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 150046
- Union Hospital IncTerre Haute, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150023
Practice locations
Addresses where Zachary L. Worley is enrolled with Medicare (CMS data updated October 2, 2026).
- 1185 N 1000Linton, IN 47441
- 1606 N 7th StTerre Haute, IN 47804 (812) 238‑7523
- 1701 N Senate BlvdIndianapolis, IN 46202 (888) 484‑3258
- 801 S Main StClinton, IN 47842 (765) 832‑1234
Group practices
Medicare enrollment lists Zachary L. Worley as a member of these groups (CMS data updated October 2, 2026).
- IU Health Medical Group LLC4,462 clinicians in the group
- Cep America LLC1,023 clinicians in the group
- Greene County General Hospital103 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Linton
Clinicians with the same Medicare primary specialty in Linton, IN — not a recommendation.
Other clinicians in IU Health Medical Group LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Arizona College Of Osteopathic Medicine Mid Western University |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538320254 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians