Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

General Surgery

Ross D. Simafranca, MD

Works at hospitals in Honolulu, HI · Hawaii

Summary

Dr. Ross D. Simafranca, MD is a general surgeon at 91 -2127 Fort Weaver Rd, Ewa Beach, HI 96706. Phone: (808) 691-3121. Accepts Medicare assignment. In 2024, Ross D. Simafranca had 96 Original Medicare patients and 255 services. NPI 1316149123. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: General surgeon (Medicare lists General Surgery)
  • Address: 91 -2127 Fort Weaver Rd, Ewa Beach, HI 96706 · Directions (1 more location)
  • Phone: (808) 691‑3121
  • Medicare: Accepts Medicare assignment
  • Hospital: The Queens Medical Center
  • Medical school: University Of Hawaii John A. Burns School Of Medicine · graduated 2002 (24 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Ross D. Simafranca, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Ross D. Simafranca accept Medicare assignment?
Yes. Medicare's clinician data says Ross D. Simafranca accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Ross D. Simafranca see?
In 2024, CMS data shows 96 Original Medicare patients and 255 services for Ross D. Simafranca. This counts Original Medicare only and measures volume, not quality.
What is Ross D. Simafranca's NPI number?
1316149123. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Ross D. Simafranca, 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.

Original Medicare patients96
Services billed to Medicare255
Different services or procedures32
Participating Medicare providerYes
Average age of these patients71

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)53 services
  2. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)36 services
  3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)34 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)19 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)19 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%
  • Diabetes53%
  • Chronic kidney disease41%
  • Arthritis21%
  • Atrial fibrillation21%

Hospitals where Ross D. Simafranca works

Medicare's Facility Affiliation Data lists Ross D. Simafranca 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.

Practice locations

Addresses where Ross D. Simafranca is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other General Surgery doctors in Hawaii →

Other general surgeons in Hawaii

Clinicians with the same Medicare primary specialty in Hawaii — not a recommendation.

All general surgeons in Hawaii →

Clinician information

CredentialMD
Medical schoolUniversity Of Hawaii John A. Burns School Of Medicine
Graduation year2002 (24 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1316149123
CorrectionsReport an error or suggest an update →

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