Januario L. Natanauan, MD

Medicare activity in 2024

Official CMS public-use data for Januario L. Natanauan, 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. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)454 services
2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)110 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)80 services
4. Automated urinalysis test (81003)79 services
5. Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected (0241U)61 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%
• Arthritis36%
• Chronic kidney disease36%
• Diabetes30%
• Osteoporosis28%

Hospitals where Januario L. Natanauan works

Medicare's Facility Affiliation Data lists Januario L. Natanauan 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.

• Straub Clinic and HospitalHonolulu, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120022

Practice locations

Addresses where Januario L. Natanauan is enrolled with Medicare (CMS data updated October 2, 2026).

• 888 S King StHonolulu, HI 96813 (808) 522‑4000

Group practices

Medicare enrollment lists Januario L. Natanauan as a member of this group (CMS data updated October 2, 2026).

• Straub Clinic and Hospital419 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Hawaii →

Other family doctors in Honolulu

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

• Amanda N. Takai, MD
• Kellie Wo, MD
• Janine Y. Among, MD
• Emilani J. Crow, MD
• Choon K. Yeo, MD
• Sherrie W. Hirota, MD
• Brooke T. Yorita, MD
• Jinichi Tokeshi, MD

All family doctors in Honolulu →

Other clinicians in Straub Clinic and Hospital

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

• Anshul Dutta, MD
• Ronnie B. Texeira, MD
• Beau K. Nakamoto, MD
• Victor H. Phuoc, MD
• Neesha Shah, NP
• Robert Pattison, 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