Ian Chun, MD
NPI 1013119700 · Child & Adolescent Psychiatry Physician · Hilo, HI
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ian Chun, MD is a Child & Adolescent Psychiatry Physician provider in Hilo, HI (NPI 1013119700).
Provider details
- NPI number
- 1013119700
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5053 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Dexmethylphenidate Hcl | 50 |
| Clonazepam | 49 |
| Clonidine Hcl | 47 |
| Alprazolam | 34 |
| Diazepam | 32 |
| Benztropine Mesylate | 25 |
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 25 |
| Bupropion Hclbrand: Bupropion Xl | 25 |
| Lisdexamfetamine Dimesylate |
Practice location
Mailing address
Additional practice locations (1)
- 67-1294 Laikealoha StKamuela, HI 96743-8317Phone: (808) 220-8914Fax: (808) 887-8118
Registry dates
- Enumerated
- 2007-06-04
- Last updated
- 2025-02-27
- Certified
- 2025-02-27
Frequently asked questions
- What is Ian Chun's NPI number?
- Ian Chun's National Provider Identifier (NPI) is 1013119700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Chun's specialty?
- Ian Chun is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ian Chun located?
- Ian Chun's practice location on file with NPPES is 75 Aupuni St Rm 206, Hilo, HI 96720-4245.
- What is Ian Chun's phone number?
- The practice phone number listed in the NPPES registry for Ian Chun is (808) 933-0599.
- Does Ian Chun accept Medicare?
- Ian Chun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ian Chun's NPI active?
- Yes — Ian Chun's NPI (1013119700) is active in the NPPES registry as of the last update on 2025-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.