Piyush Tiwari, MD
NPI 1285951830 · Psychiatry Physician · Honolulu, HI
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Piyush Tiwari, MD is a Psychiatry Physician provider in Honolulu, HI (NPI 1285951830).
Provider details
- NPI number
- 1285951830
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD17505 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 114 | 29 |
| Clonazepam | 98 | 18 |
| Olanzapine | 81 | 11 |
| Trazodone Hcl | 67 | 21 |
| Bupropion Hclbrand: Bupropion Xl | 63 | 14 |
| Diazepam | 60 | — |
| Aripiprazole | 60 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-04-22
- Last updated
- 2015-08-17
Frequently asked questions
- What is Piyush Tiwari's NPI number?
- Piyush Tiwari's National Provider Identifier (NPI) is 1285951830, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Piyush Tiwari's specialty?
- Piyush Tiwari is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Piyush Tiwari located?
- Piyush Tiwari's practice location on file with NPPES is 1188 Bishop St, Honolulu, HI 96813-3301.
- What is Piyush Tiwari's phone number?
- The practice phone number listed in the NPPES registry for Piyush Tiwari is (808) 425-7718.
- Does Piyush Tiwari accept Medicare?
- Piyush Tiwari is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Piyush Tiwari's NPI active?
- Yes — Piyush Tiwari's NPI (1285951830) is active in the NPPES registry as of the last update on 2015-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.