Quick answers
- Does Zachary A. Oliver accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary A. Oliver 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 A. Oliver see?
- In 2024, CMS data shows 22 Original Medicare patients and 37 services for Zachary A. Oliver. This counts Original Medicare only and measures volume, not quality.
- What is Zachary A. Oliver's NPI number?
- 1659874451. 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 A. Oliver, 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 | 22 |
|---|---|
| Services billed to Medicare | 37 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Most frequent services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)16 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 cholesterol75%
- High blood pressure73%
Hospitals where Zachary A. Oliver works
Medicare's Facility Affiliation Data lists Zachary A. Oliver 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.
- St Josephs HospitalTampa, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100075
- Winter Haven HospitalWinter Haven, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100052
Practice locations
Addresses where Zachary A. Oliver is enrolled with Medicare (CMS data updated October 2, 2026).
- 13670 Walsingham RdLargo, FL 33774 (727) 593‑9848
- 1615 E Hwy 50, Suite 200Clermont, FL 34711 (352) 404‑4463
- 2555 S Kirkman Rd, Carespot Urgent CareOrlando, FL 32811 (407) 362‑2030
- 3840 State Rd, 436 Suite 1000Apopka, FL 32703 (615) 600‑4074
- 7751 Kingspointe Pkwy, Suite 114Orlando, FL 32819 (407) 581‑9672
Group practices
Medicare enrollment lists Zachary A. Oliver as a member of these groups (CMS data updated October 2, 2026).
- BayCare Urgent Care, LLC.96 clinicians in the group
- Carespot of Orlando Hsi Urgent Care LLC57 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Largo
Clinicians with the same Medicare primary specialty in Largo, FL — not a recommendation.
Other clinicians in BayCare Urgent Care, LLC.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659874451 |
| 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