Quick answers
- Does Caroline G. Lau accept Medicare assignment?
- Yes. Medicare's clinician data says Caroline G. Lau 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 Caroline G. Lau see?
- In 2024, CMS data shows 165 Original Medicare patients and 256 services for Caroline G. Lau. This counts Original Medicare only and measures volume, not quality.
- What is Caroline G. Lau's NPI number?
- 1942663091. 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 Caroline G. Lau, 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 | 165 |
|---|---|
| Services billed to Medicare | 256 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)112 services
- Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)52 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)39 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)17 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 cholesterol75%
- High blood pressure74%
- Arthritis38%
- Osteoporosis36%
- Chronic kidney disease27%
- Diabetes23%
Hospitals where Caroline G. Lau works
Medicare's Facility Affiliation Data lists Caroline G. Lau 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.
- Kapiolani Medical Center for Women & ChildrenHonolulu, HI · Children's Hospital · Emergency services: listed by Medicare · CCN 123300
- 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 Caroline G. Lau is enrolled with Medicare (CMS data updated October 2, 2026).
- 1319 Punahou St, Suite 525Honolulu, HI 96826 (808) 947‑3122
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Honolulu
Clinicians with the same Medicare primary specialty in Honolulu, HI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2016 (10 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942663091 |
| 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