Quick answers
- Does Christian L. Rank accept Medicare assignment?
- Yes. Medicare's clinician data says Christian L. Rank 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 Christian L. Rank see?
- In 2024, CMS data shows 377 Original Medicare patients and 456 services for Christian L. Rank. This counts Original Medicare only and measures volume, not quality.
- What is Christian L. Rank's NPI number?
- 1669474235. 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 Christian L. Rank, 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 | 377 |
|---|---|
| Services billed to Medicare | 456 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)252 services
- Emergency department visit with moderate level of medical decision making (99284)87 services
- Critical care, first 30-74 minutes (99291)55 services
- Electrocardiogram (ecg) 1 to 3 leads with review by physician only (93042)22 services
- Emergent insertion of breathing tube into windpipe using an endoscope (31500)12 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%
- Diabetes65%
- Chronic kidney disease59%
- Arthritis57%
- Ischemic heart disease54%
Hospitals where Christian L. Rank works
Medicare's Facility Affiliation Data lists Christian L. Rank 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.
- Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050224
- Mountainview HospitalLas Vegas, NV · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 290039
- Southern Hills Hospital and Medical CenterLas Vegas, NV · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 290047
- Sunrise Hospital and Medical CenterLas Vegas, NV · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 290003
Practice locations
Addresses where Christian L. Rank is enrolled with Medicare (CMS data updated October 2, 2026).
- 26671 Aliso Creek Rd, Suite 101Aliso Viejo, CA 92656 (949) 791‑3107
- 3100 N Tenaya WayLas Vegas, NV 89128 (856) 686‑4394
- 9300 W Sunset RdLas Vegas, NV 89148 (702) 880‑2800
Group practices
Medicare enrollment lists Christian L. Rank as a member of these groups (CMS data updated October 2, 2026).
- Fremont Emergency Services Scherr Ltd133 clinicians in the group
- HMTS Inc118 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Fremont Emergency Services Scherr Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669474235 |
| 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