Leo Bastiaens, M.D.
NPI 1235127754 · Child & Adolescent Psychiatry Physician · Brewster, NY
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leo Bastiaens, M.D. is a Child & Adolescent Psychiatry Physician provider in Brewster, NY (NPI 1235127754).
Provider details
- NPI number
- 1235127754
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 171146 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bupropion Hclbrand: Bupropion Xl | 125 | 11 |
| Clozapine | 105 | — |
| Trazodone Hcl | 89 | 14 |
| Mirtazapine | 73 | — |
| Sertraline Hcl | 66 | 12 |
| Risperidone | 65 | — |
| Quetiapine Fumarate | 62 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$27 across 1 record (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
Registry dates
- Enumerated
- 2005-10-10
- Last updated
- 2022-04-06
- Certified
- 2022-04-06
Frequently asked questions
- What is Leo Bastiaens's NPI number?
- Leo Bastiaens's National Provider Identifier (NPI) is 1235127754, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leo Bastiaens's specialty?
- Leo Bastiaens is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Leo Bastiaens located?
- Leo Bastiaens's practice location on file with NPPES is 1620 Route 22 Ste 203, Brewster, NY 10509-4052.
- What is Leo Bastiaens's phone number?
- The practice phone number listed in the NPPES registry for Leo Bastiaens is (845) 278-2500.
- Does Leo Bastiaens accept Medicare?
- Leo Bastiaens is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leo Bastiaens's NPI active?
- Yes — Leo Bastiaens's NPI (1235127754) is active in the NPPES registry as of the last update on 2022-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.