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Cardiovascular Disease (Cardiology)

Christina Rodriguez Ruiz, MD

Works at hospitals in Long Beach, CA · California

Summary

Dr. Christina Rodriguez Ruiz, MD is a cardiologist at 3828 Schaufele Ave, Suite 200, Long Beach, CA 90808. Phone: (657) 241-8990. Accepts Medicare assignment. In 2024, Christina Rodriguez Ruiz had 505 Original Medicare patients and 881 services. NPI 1891182903. 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.

  • Specialty: Cardiologist (Medicare lists Cardiovascular Disease (Cardiology))
  • Address: 3828 Schaufele Ave, Suite 200, Long Beach, CA 90808 · Directions
  • Phone: (657) 241‑8990
  • Medicare: Accepts Medicare assignment
  • Hospital: Memorialcare Long Beach Medical Center
  • Group practice: Memorialcare Medical Foundation
  • Medical school: graduated 2015 (11 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Christina Rodriguez Ruiz, 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 Christina Rodriguez Ruiz accept Medicare assignment?
Yes. Medicare's clinician data says Christina Rodriguez Ruiz 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 Christina Rodriguez Ruiz see?
In 2024, CMS data shows 505 Original Medicare patients and 881 services for Christina Rodriguez Ruiz. This counts Original Medicare only and measures volume, not quality.
What is Christina Rodriguez Ruiz's NPI number?
1891182903. 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 Christina Rodriguez Ruiz, 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 patients505
Services billed to Medicare881
Different services or procedures45
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Ct scan of blood vessels and grafts of heart with contrast (75574)182 services
  2. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)165 services
  3. Mri scan of heart before and after contrast (75561)49 services
  4. Mri scan of blood flow of heart (75565)43 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)35 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%
  • Ischemic heart disease57%
  • Diabetes46%
  • Arthritis45%
  • Heart failure44%

Hospitals where Christina Rodriguez Ruiz works

Medicare's Facility Affiliation Data lists Christina Rodriguez Ruiz 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 Christina Rodriguez Ruiz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Christina Rodriguez Ruiz as a member of this group (CMS data updated October 2, 2026).

  • Memorialcare Medical Foundation566 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in Long Beach

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

All cardiologists in Long Beach →

Other clinicians in Memorialcare Medical Foundation

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

Clinician information

CredentialMD
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1891182903
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