Nickoles O. Mahaffey, MD

Practice locations

Addresses where Nickoles O. Mahaffey is enrolled with Medicare (CMS data updated October 2, 2026).

• 9333 Imperial HwyDowney, CA 90242 (800) 923‑4040
• 9333 Rosecrans AveBellflower, CA 90706 (562) 461‑3000
• 9353 Imperial HwyDowney, CA 90242 (562) 657‑9000
• 9449 Imperial HwyDowney, CA 90242 (562) 461‑3000

Group practices

Medicare enrollment lists Nickoles O. Mahaffey as a member of this group (CMS data updated October 2, 2026).

• Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

• Psychiatryprimary

Find other Psychiatry doctors in California →

Other psychiatrists in Downey

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

• Justin Estaris, MD
• Bimal Aujla, MD
• Thomas C. Scotton, MD
• Troy Kurz, MD
• Megan K. Jones, MD
• Irina Filip, MD
• Kevin Quinonez-Truong, MD
• Edwin Romel S. De Leon, MD

All psychiatrists in Downey →

Other clinicians in Southern California Permanente Medical Group

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

• Yuechun Z. Zheng-Heczko, MD
• Christa Litzenberger, MD
• Alexis R. Wildenauer, DO
• Austin Smith, MD
• David A. Hadiprodjo, MD
• Stevan P. Abt, CNA

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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
3. Medicare Care Compare — official Medicare tool to look up clinicians