Quick answers
- Does Shawn A. Vangronigen accept Medicare assignment?
- Yes. Medicare's clinician data says Shawn A. Vangronigen 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 Shawn A. Vangronigen see?
- In 2024, CMS data shows 799 Original Medicare patients and 9,634 services for Shawn A. Vangronigen. This counts Original Medicare only and measures volume, not quality.
- What is Shawn A. Vangronigen's NPI number?
- 1386928703. 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 Shawn A. Vangronigen, 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 | 799 |
|---|---|
| Services billed to Medicare | 9,634 |
| Different services or procedures | 52 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)4,246 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,353 services
- Destruction of precancer skin growth, 1 growth (17000)955 services
- Biopsy of related skin growth, first growth (11102)425 services
- High dose rate electronic brachytherapy, external (0394T)392 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 blood pressure75%
- High cholesterol75%
- Arthritis43%
- Ischemic heart disease35%
- Diabetes32%
- Chronic kidney disease22%
Hospitals where Shawn A. Vangronigen works
Medicare's Facility Affiliation Data lists Shawn A. Vangronigen 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.
- Adventist Health HanfordHanford, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050121
Practice locations
Addresses where Shawn A. Vangronigen is enrolled with Medicare (CMS data updated October 2, 2026).
- 1337 S Lovers Ln, Suite DVisalia, CA 93292 (559) 627‑9901
- 319 Mall DrHanford, CA 93230 (559) 431‑2397
- 325 Mall Dr, Suite 111Hanford, CA 93230 (559) 583‑7546
- 573 W Putnam AvePorterville, CA 93257 (559) 781‑1812
- 7115 N Chestnut Ave, Suite 101Fresno, CA 93720 (559) 431‑2397
Group practices
Medicare enrollment lists Shawn A. Vangronigen as a member of these groups (CMS data updated October 2, 2026).
- Artius Dermatology Associates PC17 clinicians in the group
- Edgar S. Macias, M.D., Inc13 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Visalia
Clinicians with the same Medicare primary specialty in Visalia, CA — not a recommendation.
Other clinicians in Artius Dermatology Associates PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | University Of California, Davis School Of Medicine |
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386928703 |
| 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