Quick answers
- Does Gerardo W. Hizon accept Medicare assignment?
- Yes. Medicare's clinician data says Gerardo W. Hizon 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 Gerardo W. Hizon see?
- In 2024, CMS data shows 322 Original Medicare patients and 1,155 services for Gerardo W. Hizon. This counts Original Medicare only and measures volume, not quality.
- What is Gerardo W. Hizon's NPI number?
- 1205898558. 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 Gerardo W. Hizon, 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 | 322 |
|---|---|
| Services billed to Medicare | 1,155 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)467 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)168 services
- Telephone medical discussion with physician, 11-20 minutes (99442)99 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)91 services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)88 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 pressure74%
- Arthritis49%
- Ischemic heart disease36%
- Diabetes20%
- Depression20%
Practice locations
Addresses where Gerardo W. Hizon is enrolled with Medicare (CMS data updated October 2, 2026).
- 28780 Single Oak Dr, Suite 160Temecula, CA 92590 (951) 676‑4193
- 28780 Single Oak Dr, Suite 270Temecula, CA 92590 (951) 676‑4193
Group practices
Medicare enrollment lists Gerardo W. Hizon as a member of this group (CMS data updated October 2, 2026).
- Rancho Family Medical Group Inc113 clinicians in the group
Specialties
- Family Practiceprimary
- Sports Medicinealso
Other family doctors in Temecula
Clinicians with the same Medicare primary specialty in Temecula, CA — not a recommendation.
Other clinicians in Rancho Family Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1984 (42 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1205898558 |
| 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
- 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