Loi Chang-Stroman, MD
NPI 1780770529 · Internal Medicine Physician · Kailua Kona, HI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Loi Chang-Stroman, MD is a Internal Medicine Physician provider in Kailua Kona, HI (NPI 1780770529).
Provider details
- NPI number
- 1780770529
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 8269 (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
19 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
1,416 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 443 | $114 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 396 | $93 |
| Respiratory Infectious Agent Detection By Rna for Severe Acute Respiratory Syndrome Coronavirus 2 (covid 19), Influenza A, Influenza B, and Respiratory Syncytial Virus, Upper Respiratory Specimen, Each Reported As Detected Or Not Detected0241U | 214 | $135 |
| Urinalysis, Manual Test81002 | 106 | $3 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 66 | $170 |
| Removal of Impacted Ear Wax |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 184 | 167 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 101 | 100 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 88 | 82 |
| Cefdinir | 87 | 81 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 75 | 68 |
| Ofloxacin | 65 | 60 |
| Levofloxacin | 59 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2014-04-11
Frequently asked questions
- What is Loi Chang-Stroman's NPI number?
- Loi Chang-Stroman's National Provider Identifier (NPI) is 1780770529, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Loi Chang-Stroman's specialty?
- Loi Chang-Stroman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Loi Chang-Stroman located?
- Loi Chang-Stroman's practice location on file with NPPES is 77-311 Sunset Dr, Kailua Kona, HI 96740-9754.
- What is Loi Chang-Stroman's phone number?
- The practice phone number listed in the NPPES registry for Loi Chang-Stroman is (808) 329-6355.
- Does Loi Chang-Stroman accept Medicare?
- Loi Chang-Stroman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Loi Chang-Stroman's NPI active?
- Yes — Loi Chang-Stroman's NPI (1780770529) is active in the NPPES registry as of the last update on 2014-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.