Sorbella M. Guillermo, MD

Medicare activity in 2024

Official CMS public-use data for Sorbella M. Guillermo, 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)408 services
2. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)340 services
3. Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)213 services
4. Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)213 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)186 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 disease55%
• Diabetes51%
• Arthritis24%
• Ischemic heart disease13%

Hospitals where Sorbella M. Guillermo works

Medicare's Facility Affiliation Data lists Sorbella M. Guillermo 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 Sorbella M. Guillermo is enrolled with Medicare (CMS data updated October 2, 2026).

• 1001 Bishop St, Suite 2685aHonolulu, HI 96813 (706) 715‑3105
• 916 Kilani AveWahiawa, HI 96786 (808) 677‑1433
• 94-300 Farrington Hwy, Suite F8Waipahu, HI 96797 (808) 677‑1433

Group practices

Medicare enrollment lists Sorbella M. Guillermo as a member of this group (CMS data updated October 2, 2026).

• Medical Office Force59 clinicians in the group

Specialties

• Internal Medicineprimary
• Pediatric Medicinealso

Find other Internal Medicine doctors in Hawaii →

Other internal medicine doctors in Honolulu

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

• Grant L. Chen, MD
• Stuart S. Nakamoto, MD
• Ethan Charles K. Chun, MD
• Lydia W. Takazawa, MD
• Craig H. Nakatsuka, MD
• Andrew W. Dang, MD
• Peter J. Dee, MD
• Kenneth K. Kau, MD

All internal medicine doctors in Honolulu →

Other clinicians in Medical Office Force

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

• Aurelio D. Manto, MD
• Chris Simpson, MD
• Leonel Reyes Jr., MD
• Karen Y. Luster, MD
• Maria L. Walker, MD
• Patrice D. Boddie, 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