Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Orthopedic Surgery

Rolf R. Drinhaus, MD

Works at hospitals in Moreno Valley, CA · Temecula, CA · California

Summary

Dr. Rolf R. Drinhaus, MD is an orthopedic surgeon at 25150 Hancock Ave, Suite 200, Murrieta, CA 92562. Phone: (951) 698-4660. Accepts Medicare assignment. In 2024, Rolf R. Drinhaus had 325 Original Medicare patients and 2,353 services. NPI 1972530137. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Rolf R. Drinhaus, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Rolf R. Drinhaus accept Medicare assignment?
Yes. Medicare's clinician data says Rolf R. Drinhaus 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 Rolf R. Drinhaus see?
In 2024, CMS data shows 325 Original Medicare patients and 2,353 services for Rolf R. Drinhaus. This counts Original Medicare only and measures volume, not quality.
What is Rolf R. Drinhaus's NPI number?
1972530137. 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 Rolf R. Drinhaus, 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 patients325
Services billed to Medicare2,353
Different services or procedures62
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)991 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)412 services
  3. Aspiration and/or injection of fluid from large joint (20610)247 services
  4. X-ray of knee, 1-2 views (73560)105 services
  5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)95 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%
  • Arthritis75%
  • Diabetes32%
  • Ischemic heart disease29%
  • Anxiety23%

Hospitals where Rolf R. Drinhaus works

Medicare's Facility Affiliation Data lists Rolf R. Drinhaus 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.

Practice locations

Addresses where Rolf R. Drinhaus is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Rolf R. Drinhaus as a member of this group (CMS data updated October 2, 2026).

  • De Anza Orthopedic Medical Group Inc18 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in California →

Other orthopedic surgeons in Murrieta

Clinicians with the same Medicare primary specialty in Murrieta, CA — not a recommendation.

All orthopedic surgeons in Murrieta →

Other clinicians in De Anza Orthopedic Medical Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year1984 (42 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972530137
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians