Bradley W. Kays, MD

Medicare activity in 2024

Official CMS public-use data for Bradley W. Kays, 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. Injection, denosumab, 1 mg (J0897)2,761 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,209 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,119 services
4. Insertion of needle into vein for collection of blood sample (36415)988 services
5. Blood test, comprehensive group of blood chemicals (80053)866 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%
• Depression71%
• Arthritis44%
• Ischemic heart disease26%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)23%

Hospitals where Bradley W. Kays works

Medicare's Facility Affiliation Data lists Bradley W. Kays 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.

• Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050224

Practice locations

Addresses where Bradley W. Kays is enrolled with Medicare (CMS data updated October 2, 2026).

• 400 Newport Ctr Dr, Suite 504Newport Beach, CA 92660 (949) 720‑4920

Group practices

Medicare enrollment lists Bradley W. Kays as a member of this group (CMS data updated October 2, 2026).

• Newport Center Medical Group5 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Newport Beach

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

• Mohitkumar Ardeshana, MD
• Christopher Lee, MD
• Ramin I. Alizadeh, MD
• David Mir, MD
• Bhavini Jaiswal, MD
• Homeira Mehrabian, MD
• Zoltan Csuka, MD
• Andrew C. Lee, MD

All internal medicine doctors in Newport Beach →

Other clinicians in Newport Center Medical Group

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

• Stephen H. Nguyen, MD
• William Fukuda, MD
• Amy Teresi, MD
• Syed S. Naqvi, 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