Keith Woo, M.D.
NPI 1366595092 · Internal Medicine Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keith Woo, M.D. is a Internal Medicine Physician provider in Honolulu, HI (NPI 1366595092).
Provider details
- NPI number
- 1366595092
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD-10503 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
141 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 141 | $132 |
Typical Medicare-allowed amounts for these services range $132–$132 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 120 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 857 | 231 |
| Rosuvastatin Calcium | 845 | 255 |
| Amlodipine Besylate | 723 | 185 |
| Metformin Hclbrand: Metformin Hcl Er | 545 | 148 |
| Icosapent Ethylbrand: Vascepa | 502 | 135 |
| Losartan Potassium | 478 | 133 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$9,768 across 82 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Keith Woo's NPI number?
- Keith Woo's National Provider Identifier (NPI) is 1366595092, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keith Woo's specialty?
- Keith Woo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Keith Woo located?
- Keith Woo's practice location on file with NPPES is 1520 Liliha St, Honolulu, HI 96817-3562.
- What is Keith Woo's phone number?
- The practice phone number listed in the NPPES registry for Keith Woo is (808) 523-9955.
- Does Keith Woo accept Medicare?
- Keith Woo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keith Woo's NPI active?
- Yes — Keith Woo's NPI (1366595092) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.