Quick answers
- Does Richard K. Hollis accept Medicare assignment?
- Medicare's clinician data says Richard K. Hollis may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Richard K. Hollis see?
- In 2024, CMS data shows 406 Original Medicare patients and 587 services for Richard K. Hollis. This counts Original Medicare only and measures volume, not quality.
- What is Richard K. Hollis's NPI number?
- 1831119254. 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 Richard K. Hollis, 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 | 406 |
|---|---|
| Services billed to Medicare | 587 |
| Different services or procedures | 77 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- X-ray of chest, 1 view (71045)92 services
- Ct scan head or brain without contrast (70450)85 services
- Ct scan of abdomen and pelvis with contrast (74177)58 services
- Ct scan of abdomen and pelvis without contrast (74176)42 services
- Ct scan of blood vessels of chest with contrast (71275)37 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%
- Arthritis56%
- Diabetes49%
- Chronic kidney disease45%
- Ischemic heart disease40%
Hospitals where Richard K. Hollis works
Medicare's Facility Affiliation Data lists Richard K. Hollis 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.
- Hudson Regional HospitalSecaucus, NJ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 310118
- Mission Community HospitalPanorama City, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050704
- Providence Cedars Sinai Tarzana Medical CenterTarzana, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050761
- Riverside Regional Medical CenterNewport News, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490052
- Riverside Walter Reed HospitalGloucester, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490130
Practice locations
Addresses where Richard K. Hollis is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 12; the Medicare profile lists all.
- 1270 Natividad RdSalinas, CA 93906
- 1270 Natividad Rd, 146.38Salinas, CA 93906
- 1350 W Covina BlvdSan Dimas, CA 91773 · Fullerton Radiology Medical Group Inc (909) 599‑6811
- 1441 Constitution BlvdSalinas, CA 93906
- 1441 Constitution BlvdSalinas, CA 93912 (831) 755‑4235
Group practices
Medicare enrollment lists Richard K. Hollis as a member of these groups (CMS data updated October 2, 2026).
- Memorialcare Medical Foundation566 clinicians in the group
- County of Monterey185 clinicians in the group
- Integrated Imaging Consultants LLC159 clinicians in the group
- Insight Chicago Inc141 clinicians in the group
- Menalam Health Services PC113 clinicians in the group
- Focus Medical Imaging84 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Salinas
Clinicians with the same Medicare primary specialty in Salinas, CA — not a recommendation.
Other clinicians in Memorialcare Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1831119254 |
| 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