Lois Saruwatari, M.D.
NPI 1942245899 · Internal Medicine Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lois Saruwatari, M.D. is a Internal Medicine Physician provider in Honolulu, HI (NPI 1942245899).
Provider details
- NPI number
- 1942245899
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD-7521 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
518 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 187 | $112 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 153 | $104 |
| 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'SG2211 | 102 | $17 |
| Administration of Pneumococcal VaccineG0009 | 30 | $31 |
| Administration of Influenza Virus VaccineG0008 | 25 | $34 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 64 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 331 | 111 |
| Losartan Potassium | 231 | 71 |
| Pravastatin Sodium | 191 | 60 |
| Lisinopril | 186 | 57 |
| Amlodipine Besylate | 182 | 59 |
| Simvastatin | 177 | 52 |
| Metoprolol Succinate | 116 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-17
- Last updated
- 2021-10-26
- Certified
- 2021-10-26
Frequently asked questions
- What is Lois Saruwatari's NPI number?
- Lois Saruwatari's National Provider Identifier (NPI) is 1942245899, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lois Saruwatari's specialty?
- Lois Saruwatari is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lois Saruwatari located?
- Lois Saruwatari's practice location on file with NPPES is 1001 Bishop St, Honolulu, HI 96813-3429.
- What is Lois Saruwatari's phone number?
- The practice phone number listed in the NPPES registry for Lois Saruwatari is (808) 535-1555.
- Does Lois Saruwatari accept Medicare?
- Lois Saruwatari is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lois Saruwatari's NPI active?
- Yes — Lois Saruwatari's NPI (1942245899) is active in the NPPES registry as of the last update on 2021-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.