Quick answers
- Does Frantz Despas Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Frantz Despas Jr. 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 Frantz Despas Jr. see?
- In 2024, CMS data shows 361 Original Medicare patients and 7,667 services for Frantz Despas Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Frantz Despas Jr.'s NPI number?
- 1417288275. 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 Frantz Despas Jr., 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 | 361 |
|---|---|
| Services billed to Medicare | 7,667 |
| Different services or procedures | 55 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg (J7329)4,660 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)933 services
- Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (J0702)541 services
- Injection of drug or substance under skin or into muscle (96372)412 services
- Aspiration and/or injection of fluid from large joint (20610)346 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%
- Arthritis75%
- High blood pressure73%
- Diabetes37%
- Ischemic heart disease25%
- Anxiety22%
Hospitals where Frantz Despas Jr. works
Medicare's Facility Affiliation Data lists Frantz Despas Jr. 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
Practice locations
Addresses where Frantz Despas Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 400 N Mountain Ave, Suite 310Upland, CA 91786 (909) 920‑0876
- 8045 Archibald Ave, Suite 100Rancho Cucamonga, CA 91730 (909) 920‑0876
Group practices
Medicare enrollment lists Frantz Despas Jr. as a member of this group (CMS data updated October 2, 2026).
- Medical Center for Bone and Joint Disorders3 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Upland
Clinicians with the same Medicare primary specialty in Upland, CA — not a recommendation.
Other clinicians in Medical Center for Bone and Joint Disorders
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1417288275 |
| 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