Nanette C. Fonte, MD

Medicare activity in 2024

Official CMS public-use data for Nanette C. Fonte, 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 35 minutes (99232)548 services
2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)164 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)127 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)117 services
5. Dialysis services, 4 or more physician visits per month (20 years or older) (90960)81 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%
• Chronic kidney disease75%
• Diabetes68%
• Arthritis55%
• Heart failure53%

Hospitals where Nanette C. Fonte works

Medicare's Facility Affiliation Data lists Nanette C. Fonte 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.

• Antelope Valley HospitalLancaster, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050056
• Palmdale Regional Medical CenterPalmdale, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050204
• Ridgecrest Regional HospitalRidgecrest, CA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 051333

Practice locations

Addresses where Nanette C. Fonte is enrolled with Medicare (CMS data updated October 2, 2026).

• 1759 W Ave J, Suite 101Lancaster, CA 93534 (661) 948‑1388

Group practices

Medicare enrollment lists Nanette C. Fonte as a member of this group (CMS data updated October 2, 2026).

• Antelope Valley Nephrology Medical Group Inc4 clinicians in the group

Specialties

• Internal Medicineprimary
• Nephrologyalso

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Lancaster

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

• Xiao H. Wan, DO
• Alexandra O. Orchard, MD
• S Joseph Marianayagam, MD
• Shankar N. Hittalmani, MD
• Mark W. Smith, MD
• Luis D. Cabrera, DO
• Young J. Ko, MD
• Sami Nafoosi, MD

All internal medicine doctors in Lancaster →

Other clinicians in Antelope Valley Nephrology Medical Group Inc

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

• Joseph Mahalli, MD

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