Leo Jan Bastiaens, M.D.
Child & Adolescent Psychiatry Physician · Brewster, NY
Leo Jan Bastiaens, M.D. is a child & adolescent psychiatry physician with a practice address in Brewster, New York, and NPI 1235127754, issued on Oct 10, 2005. Check the license (New York 171146, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Leo Jan Bastiaens
- Credential
- M.D.
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- 171146 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1620 Route 22 Ste 203, Brewster, NY 10509
- Phone
- (845) 278-2500
- Enumerated
- Oct 10, 2005
- Record last updated
- Apr 6, 2022
- Fax
- (844) 454-5096
- Medicaid ID
- 06049783 NY
- Entity
- Type 1 · individual
Verify Leo Jan Bastiaens in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 171146Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average child & adolescent psychiatry physician in 2024
1,313 Medicare Part D claims for 70 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Bupropion Xl125 claims
- Clozapine105 claims
- Trazodone Hcl89 claims
- Mirtazapine73 claims
- Sertraline Hcl66 claims
- Risperidone65 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $27.27
1 payment: education; the largest payer was E.R. Squibb & Sons, L.L.C. The 1,578 providers of this specialty with any payment received $1,427.96 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Child & Adolescent Psychiatry Physician providers in New York
There are 827 child & adolescent psychiatry physician records in New York.
Other child & adolescent psychiatry physician records in New York
- Asli Saba Abaci, M.D.Rochester, NY1538100961
- Susan Abbott, MDNew York, NY1720134935
- Melissa Abbuhl, MDAlbany, NY1477116119
- Oana Abidi, M.D.Garden City, NY1881773737
- Robert Abramovitz, M.D.New York, NY1417106451
- Renee Abt, M.D.New York, NY1073645727
- Andrea Ackerman, M.D.New York, NY1801144415
- Harriet Ackerman, M.D.Mount Kisco, NY1336330091
- Antoine Adam, MDNew York, NY1700032794
- Lori Adel, M.D.Valhalla, NY1487865143
Common questions
What is Leo Jan Bastiaens, M.D.'s NPI number?
Leo Jan Bastiaens, M.D.'s National Provider Identifier (NPI) is 1235127754, issued on Oct 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Leo Jan Bastiaens, M.D. located?
The NPPES record lists a practice address at 1620 Route 22 Ste 203, Brewster, NY, 10509. Phone: (845) 278-2500. Providers update this record themselves, so call before visiting.
How can I verify Leo Jan Bastiaens, M.D.'s license?
NPPES lists New York license number 171146, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Leo Jan Bastiaens, M.D. prescribe under Medicare Part D?
In 2024, Leo Jan Bastiaens, M.D. had 1,313 Medicare Part D claims for 70 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.