Quick answers
- Does Zenzile A. Johnson Mendoza accept Medicare assignment?
- Yes. Medicare's clinician data says Zenzile A. Johnson Mendoza 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 Zenzile A. Johnson Mendoza see?
- In 2024, CMS data shows 242 Original Medicare patients and 317 services for Zenzile A. Johnson Mendoza. This counts Original Medicare only and measures volume, not quality.
- What is Zenzile A. Johnson Mendoza's NPI number?
- 1598891863. 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 Zenzile A. Johnson Mendoza, 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 | 242 |
|---|---|
| Services billed to Medicare | 317 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)126 services
- Emergency department visit with moderate level of medical decision making (99284)100 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)54 services
- Emergency department visit with low level of medical decision making (99283)12 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 cholesterol73%
- Arthritis52%
- Anxiety42%
- Chronic kidney disease39%
- Ischemic heart disease38%
Hospitals where Zenzile A. Johnson Mendoza works
Medicare's Facility Affiliation Data lists Zenzile A. Johnson Mendoza 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.
- CHI Health Bergan MercyOmaha, NE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 280060
- CHI Health St. ElizabethLincoln, NE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 280020
- Henry Ford Health HospitalDetroit, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230053
- McLaren Greater LansingLansing, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230167
Practice locations
Addresses where Zenzile A. Johnson Mendoza is enrolled with Medicare (CMS data updated October 2, 2026).
- 16901 Lakeside Hills CtOmaha, NE 68130 (855) 524‑4001
- 1900 Columbus AveBay City, MI 48708 (989) 894‑3000
- 800 Mercy DrCouncil Bluffs, IA 51503 (712) 328‑5490
Group practices
Medicare enrollment lists Zenzile A. Johnson Mendoza as a member of these groups (CMS data updated October 2, 2026).
- Alegent Creighton Clinic963 clinicians in the group
- McLaren Hospital Group375 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Omaha
Clinicians with the same Medicare primary specialty in Omaha, NE — not a recommendation.
Other clinicians in Alegent Creighton Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598891863 |
| 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