Quick answers
- Does Mike Zuniga accept Medicare assignment?
- Yes. Medicare's clinician data says Mike Zuniga 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 Mike Zuniga see?
- In 2024, CMS data shows 208 Original Medicare patients and 694 services for Mike Zuniga. This counts Original Medicare only and measures volume, not quality.
- What is Mike Zuniga's NPI number?
- 1578791588. 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 Mike Zuniga, 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 | 208 |
|---|---|
| Services billed to Medicare | 694 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)391 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)83 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)34 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)33 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)18 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 pressure68%
- Arthritis44%
- Diabetes31%
- Ischemic heart disease27%
- Anxiety21%
Hospitals where Mike Zuniga works
Medicare's Facility Affiliation Data lists Mike Zuniga 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.
- Casa Colina HospitalPomona, CA · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 050782
- San Antonio Regional HospitalUpland, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050099
Practice locations
Addresses where Mike Zuniga is enrolled with Medicare (CMS data updated October 2, 2026).
- 440 N Mountain Ave, Suite 110Upland, CA 91786 (909) 870‑5200
Group practices
Medicare enrollment lists Mike Zuniga as a member of this group (CMS data updated October 2, 2026).
- MD Zuniga Inc.3 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Upland
Clinicians with the same Medicare primary specialty in Upland, CA — not a recommendation.
Other clinicians in MD Zuniga Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| 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) | 1578791588 |
| 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