Alex J. Carlos Jr., MD

Medicare activity in 2024

Official CMS public-use data for Alex J. Carlos Jr., 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. 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)74 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)56 services
3. Dialysis services, 4 or more physician visits per month (20 years or older) (90960)52 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)47 services
5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)11 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%
• Diabetes75%
• Chronic kidney disease75%
• Heart failure49%
• Ischemic heart disease44%

Hospitals where Alex J. Carlos Jr. works

Medicare's Facility Affiliation Data lists Alex J. Carlos Jr. 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.

• Pali Momi Medical CenterAiea, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120026
• The Queens Medical CenterHonolulu, HI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 120001

Practice locations

Addresses where Alex J. Carlos Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 94 -229 Waipahu Depot St, Suite 101Waipahu, HI 96797 (808) 206‑9849

Group practices

Medicare enrollment lists Alex J. Carlos Jr. as a member of this group (CMS data updated October 2, 2026).

• Hawaii Nephrologists LLC8 clinicians in the group

Specialties

• Nephrologyprimary
• Internal Medicinealso

Find other Nephrology doctors in Hawaii →

Other nephrologists in Waipahu

Clinicians with the same Medicare primary specialty in Waipahu, HI — not a recommendation.

• Valerie B. Tan, MD
• Calvin Henderson, MD
• Rafal G. Ciecierski, MD

All nephrologists in Waipahu →

Other clinicians in Hawaii Nephrologists LLC

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

• Valerie B. Tan, MD
• Hannah R. Bernadsky, NP
• Ryan N. Argyros, NP
• Rafal G. Ciecierski, MD
• Wei Boon Ooi, MD
• Megan E. Sedig, NP

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