Leo I. Chaikovsky, MD
Psychiatry Physician · Darien, CT
Leo I. Chaikovsky, MD is a psychiatry physician with a practice address in Darien, Connecticut, and NPI 1659300465, issued on Jul 2, 2006. Check the license (Connecticut 022903, as entered in NPPES) on the Connecticut Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Leo I. Chaikovsky
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 022903 CT
Self-reported in NPPES; status is on the state search - Practice location
- 17 Old Kings Hwy S, Darien, CT 06820
- Phone
- (203) 655-1559
- Enumerated
- Jul 2, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (203) 655-1914
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,174 in Connecticut → Look up another NPI →
Also registered at 17 Old Kings Hwy S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathleen Africano, APRNPsychiatric/Mental Health Nurse Practitioner1659300416
- Sherry D'Elia, LCSWClinical Social Worker1588839047
- Ruth Grant, PHDPsychologist1891725925
- Victor Patin, MDPsychiatry Physician1881623544
- Celeste Pociask, M.D.Dermatology Physician1407903214
- Louis Trevisan, MDPsychiatry Physician1932132867
Verify Leo I. Chaikovsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 022903Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Leo I. Chaikovsky among 1,174 psychiatry physician records in Connecticut
Leo I. Chaikovsky, MD is one of 1,174 psychiatry physician records with a practice address in Connecticut. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 60% newer
- In a Medicare fileNo · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Connecticut
There are 1,174 psychiatry physician records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,174 in Connecticut → Every provider in Darien → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Ann Callahan, MDDarien, CT 068201144343328
- Victor Patin, MDDarien, CT 068201881623544
- Louis Trevisan, MDDarien, CT 068201932132867
- Jay Berkowitz, MDFairfield, CT 068241255382396
- Joseph Fickes, MDFairfield, CT 068241902838329
- Tara Kerner, DOFairfield, CT 068241114065125
- Barry Kerner, MDFairfield, CT 068241205059417
- Deborah Lipschitz, M.D.Fairfield, CT 068241114089687
Common questions
What is Leo I. Chaikovsky, MD's NPI number?
Leo I. Chaikovsky, MD's National Provider Identifier (NPI) is 1659300465, issued on Jul 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leo I. Chaikovsky, MD located?
The NPPES record lists a practice address at 17 Old Kings Hwy S, Darien, CT, 06820. Phone: (203) 655-1559. Providers update this record themselves, so call before visiting.
How can I verify Leo I. Chaikovsky, MD's license?
NPPES lists Connecticut license number 022903, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. 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. 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.