Alexandra Hyejoo Yoon
Child & Adolescent Psychiatry Physician · White Plains, NY
Alexandra Hyejoo Yoon is a child & adolescent psychiatry physician with a practice address in White Plains, New York, and NPI 1427511237, issued on Apr 9, 2019. Check the license (New York 33-0978, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Alexandra Hyejoo Yoon
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- 33-0978 NY
Self-reported in NPPES; status is on the state search - Practice location
- 21 Bloomingdale RD, White Plains, NY 10605
- Phone
- (888) 694-5700
- Enumerated
- Apr 9, 2019
- Record last updated
- Aug 28, 2024
- Medicare enrollment
- Enrolled (PECOS I20240920001851); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 827 in New York → Look up another NPI →
Also registered at 21 Bloomingdale RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nina Abbruzzese, FNP,BCFamily Nurse Practitioner1780898494
- Gerard Addonizio, MDPsychiatry Physician1447347539
- Smita Agarkar, M.D.Psychiatry Physician1225061260
- Nasrin AhmadPsychiatric Pharmacist1891166229
- Sony Alex, MSPharmacist1336463546
- George Alexopoulos, M.D.Psychiatry Physician1548222805
Verify Alexandra Hyejoo Yoon 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 33-0978Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Weill Medical College OF CornellNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexandra Hyejoo Yoon among 827 child & adolescent psychiatry physician records in New York
Alexandra Hyejoo Yoon is one of 827 child & adolescent psychiatry physician records with a practice address in New York. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 93% of them.
- NPI issued2019 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileYes · 26% of these records are
- Graduated2019 · median 2001 among the 213 with a school on file
- Record last updated2024 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in New York
There are 827 child & adolescent psychiatry physician records in New York.
All 827 in New York → Every provider in White Plains → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Maria De Pena-Nowak, M.D.White Plains, NY 106051043273956
- Barbara Farkas, M.D.White Plains, NY 106051225177553
- Despina Hatziergati, M.D.White Plains, NY 106051720040124
- Kristen Kim, MDWhite Plains, NY 106051407410533
- Lisa Kremen, MDWhite Plains, NY 106051124605993
- John MahlstedtWhite Plains, NY 106051891172854
- Borislava Mandich, M.D.White Plains, NY 106051740494624
- Parinda Parikh, M.D.White Plains, NY 106051851353213
Common questions
What is Alexandra Hyejoo Yoon's NPI number?
Alexandra Hyejoo Yoon's National Provider Identifier (NPI) is 1427511237, issued on Apr 9, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Alexandra Hyejoo Yoon located?
The NPPES record lists a practice address at 21 Bloomingdale RD, White Plains, NY, 10605. Phone: (888) 694-5700. Providers update this record themselves, so call before visiting.
How can I verify Alexandra Hyejoo Yoon's license?
NPPES lists New York license number 33-0978, 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.
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.