Quick answers
- Does Zachary C. Bowles accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary C. Bowles 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 C. Bowles see?
- In 2024, CMS data shows 669 Original Medicare patients and 1,239 services for Zachary C. Bowles. This counts Original Medicare only and measures volume, not quality.
- What is Zachary C. Bowles's NPI number?
- 1497140370. 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 C. Bowles, 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 | 669 |
|---|---|
| Services billed to Medicare | 1,239 |
| Different services or procedures | 45 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)475 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)409 services
- Emergency department visit with moderate level of medical decision making (99284)117 services
- Critical care, first 30-74 minutes (99291)116 services
- Ultrasound of heart, follow-up (93308)15 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 cholesterol74%
- Diabetes52%
- Arthritis45%
- Chronic kidney disease39%
- Heart failure39%
Hospitals where Zachary C. Bowles works
Medicare's Facility Affiliation Data lists Zachary C. Bowles 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.
- Mercy Medical CenterMerced, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050444
Practice locations
Addresses where Zachary C. Bowles is enrolled with Medicare (CMS data updated October 2, 2026).
- 333 Mercy AveMerced, CA 95340 (209) 564‑5140
Group practices
Medicare enrollment lists Zachary C. Bowles as a member of this group (CMS data updated October 2, 2026).
- San Joaquin Emergency Medical Associates15 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Merced
Clinicians with the same Medicare primary specialty in Merced, CA — not a recommendation.
Other clinicians in San Joaquin Emergency Medical Associates
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Missouri, Columbia School Of Medicine |
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497140370 |
| 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