Quick answers
- Does Ammaar El-Sergany accept Medicare assignment?
- Yes. Medicare's clinician data says Ammaar El-Sergany 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 Ammaar El-Sergany see?
- In 2024, CMS data shows 362 Original Medicare patients and 1,106 services for Ammaar El-Sergany. This counts Original Medicare only and measures volume, not quality.
- What is Ammaar El-Sergany's NPI number?
- 1669766747. 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 Ammaar El-Sergany, 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 patients | 362 |
|---|---|
| Services billed to Medicare | 1,106 |
| Different services or procedures | 71 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)204 services
- 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)150 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)85 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)64 services
- Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)55 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 disease64%
- Ischemic heart disease54%
- Diabetes52%
- Heart failure44%
Hospitals where Ammaar El-Sergany works
Medicare's Facility Affiliation Data lists Ammaar El-Sergany 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
- Straub Clinic and HospitalHonolulu, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120022
- 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 Ammaar El-Sergany is enrolled with Medicare (CMS data updated October 2, 2026).
- 98 -1079 Moanalua RdAiea, HI 96701 (808) 486‑6000
- 98 -1079 Moanalua Rd, Suite 620Aiea, HI 96701 (808) 784‑3050
- 99 -115 Aiea Heights Dr, Suite 276bAiea, HI 96701 (808) 784‑3050
Group practices
Medicare enrollment lists Ammaar El-Sergany as a member of these groups (CMS data updated October 2, 2026).
- Pali Momi Medical Center90 clinicians in the group
- Pacific Vascular Associates LLC12 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Hawaii
Clinicians with the same Medicare primary specialty in Hawaii — not a recommendation.
Other clinicians in Pali Momi Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1669766747 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians