Christian M. Chiavetta, DO

Medicare activity in 2024

Official CMS public-use data for Christian M. Chiavetta, 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.

Most frequent services

1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)300 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)202 services
3. Hospital discharge day management, more than 30 minutes (99239)113 services
4. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)78 services
5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)67 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 disease65%
• Arthritis64%
• Heart failure62%
• Diabetes61%

Hospitals where Christian M. Chiavetta works

Medicare's Facility Affiliation Data lists Christian M. Chiavetta 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.

• Northridge Hospital Medical CenterNorthridge, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050116

Practice locations

Addresses where Christian M. Chiavetta is enrolled with Medicare (CMS data updated October 2, 2026).

• 18406 Roscoe Blvd, Suite ANorthridge, CA 91325 (818) 700‑5678

Group practices

Medicare enrollment lists Christian M. Chiavetta as a member of this group (CMS data updated October 2, 2026).

• Dignity Health Medical Foundation1,184 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Northridge

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

• Mehrnaz Hadian, MD
• Gary K. Kong, MD
• Sikander Kajani, MD
• Asra F. Farooqui, MD
• Renee Dua, MD
• Christopher G. Chow, MD
• Suresh Rao, MD
• Parviz Amini, MD

All internal medicine doctors in Northridge →

Other clinicians in Dignity Health Medical Foundation

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

• Julia E. Reischl, NP
• Harsimran Gill, MD
• Jesse M. Kramer, MD
• Nhien M. Le, DO
• Austin C. Saavedra, MD
• Eduardo O. Zapata, DO

Clinician information

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