Quick answers
- Does Howard J. Van Gelder accept Medicare assignment?
- Yes. Medicare's clinician data says Howard J. Van Gelder 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 Howard J. Van Gelder see?
- In 2024, CMS data shows 152 Original Medicare patients and 834 services for Howard J. Van Gelder. This counts Original Medicare only and measures volume, not quality.
- What is Howard J. Van Gelder's NPI number?
- 1932343829. 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 Howard J. Van Gelder, 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 | 152 |
|---|---|
| Services billed to Medicare | 834 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)249 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)228 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)140 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)41 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)32 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 cholesterol72%
- Arthritis72%
- High blood pressure61%
- Depression29%
- Chronic kidney disease29%
- Osteoporosis28%
Hospitals where Howard J. Van Gelder works
Medicare's Facility Affiliation Data lists Howard J. Van Gelder 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.
- Henry Mayo Newhall HospitalValencia, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050624
Practice locations
Addresses where Howard J. Van Gelder is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 11333 Sepulveda BlvdMission Hills, CA 91345 (818) 365‑9531
- 14550 Soledad Canyon RdCanyon Country, CA 91387 (661) 250‑5200
- 19950 Rinaldi StPorter Ranch, CA 91326 (818) 403‑2400
- 26357 McBean PkwyValencia, CA 91355 (661) 222‑2600
- 26357 McBean Pkwy, Suite 390Santa Clarita, CA 91355 (661) 222‑2600
Group practices
Medicare enrollment lists Howard J. Van Gelder as a member of this group (CMS data updated October 2, 2026).
- Providence Facey Medical Foundation385 clinicians in the group
Specialties
- Rheumatologyprimary
Other rheumatologists in Mission Hills
Clinicians with the same Medicare primary specialty in Mission Hills, CA — not a recommendation.
Other clinicians in Providence Facey Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 (19 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) | 1932343829 |
| 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