David Takehana, DO
NPI 1518548221 · Psychiatry Physician · Ontario, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Takehana, DO is a Psychiatry Physician provider in Ontario, CA (NPI 1518548221).
Provider details
- NPI number
- 1518548221
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A22288 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 66 | 13 |
| Gabapentin | 54 | 12 |
| Clozapine | 51 | — |
| Mirtazapine | 51 | — |
| Doxepin Hcl | 43 | — |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 39 | — |
| Sertraline Hcl | 38 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$52 across 2 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
Additional practice locations (1)
- 400 N Pepper AveColton, CA 92324-1819Phone: (909) 580-1000
Registry dates
- Enumerated
- 2021-04-15
- Last updated
- 2025-06-25
- Certified
- 2025-06-25
Frequently asked questions
- What is David Takehana's NPI number?
- David Takehana's National Provider Identifier (NPI) is 1518548221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Takehana's specialty?
- David Takehana is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is David Takehana located?
- David Takehana's practice location on file with NPPES is 2940 Inland Empire Blvd, Ontario, CA 91764-4898.
- What is David Takehana's phone number?
- The practice phone number listed in the NPPES registry for David Takehana is (909) 458-1350.
- Does David Takehana accept Medicare?
- David Takehana is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Takehana's NPI active?
- Yes — David Takehana's NPI (1518548221) is active in the NPPES registry as of the last update on 2025-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.