Leslie M. Antoine
- Part D claims, 2024
- 201
- Industry payments
- $20
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 91 Guy Lombardo Ave, Freeport, NY 11520
- Practice phone
- Call (516) 868-3030
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
South Shore Guidance Center
Behavioral health practice · Freeport, New York
Find Leslie Antoine's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Leslie M. Antoine is a psychiatrist in Freeport, New York
Leslie Antoine practices at South Shore Guidance Center in Freeport, New York.
Leslie Antoine's NPI, 1285759191, was assigned on March 20, 2007. Leslie Antoine holds New York license 158150.
- NPI
- 1285759191NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315200193
- NPI enumeration date
- March 20, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (516) 868-3030
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Leslie M. Antoine practices at South Shore Guidance Center in Freeport, New York
Leslie Antoine's primary practice is South Shore Guidance Center, at 91 Guy Lombardo Ave, Freeport, NY 11520. The practice phone is (516) 868-3030.
- South Shore Guidance Center91 Guy Lombardo Ave, Freeport, NY 11520Phone(516) 868-3030
Source: Dmand AI Affiliation Data
Leslie M. Antoine is affiliated with 2 sites of care and 2 medical groups
Leslie Antoine's primary practice is South Shore Guidance Center in Freeport, New York. The medical group on file is South Shore Guidance Center. Dmand AI also links Leslie Antoine to 1 more group practice or clinic and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Leslie M. Antoine's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Leslie Antoine practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| South Shore Guidance Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Leslie M. Antoine is one of 4,448 psychiatrists in New York
Psychiatry is Leslie Antoine's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Leslie Antoine is licensed in New York.
Specialties and state licenses
- Psychiatry, New YorkPrimary
Psychiatrists near Leslie Antoine
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Leslie M. Antoine's patients have a median age of 22
Across all payers, Dmand AI patient panel data puts Leslie Antoine's median patient age at 22, with 0% women.
Leslie Antoine's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 22
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Leslie M. Antoine wrote 201 Medicare Part D claims in 2024
In 2024, Leslie Antoine wrote 201 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 122 of them, across 8 drugs with 11 or more claims each, at $4,231 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Leslie Antoine's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 112024: 1221009%
Drugs named by CMS: 8 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Leslie M. Antoine offers telehealth to Medicare patients
Leslie Antoine accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Leslie Antoine as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Leslie M. Antoine received $20 in industry payments in 2024
CMS Open Payments shows 1 general payment to Leslie Antoine from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $20.
Companies that paid Leslie Antoine the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Leslie M. Antoine's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Leslie M. Antoine
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Leslie M. Antoine's NPI number?
Leslie M. Antoine's NPI number is 1285759191. It was assigned on March 20, 2007, and it is active in the NPI Registry.
What does Leslie M. Antoine specialize in?
Leslie M. Antoine is a psychiatrist in Freeport, New York. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Leslie M. Antoine practice?
Leslie Antoine practices at 91 Guy Lombardo Ave, Freeport, NY 11520. Leslie Antoine's primary practice is South Shore Guidance Center in Freeport, New York. Dmand AI also links Leslie Antoine to 1 group practice or clinic and 1 medical group.
What is Leslie M. Antoine's office phone number?
The practice phone on file for Leslie Antoine is (516) 868-3030.
What is Leslie M. Antoine's medical license number?
Leslie Antoine holds New York license 158150.
What medical group is Leslie M. Antoine part of?
Leslie Antoine is linked to South Shore Guidance Center. Dmand AI links Leslie Antoine to 1 more medical group.
Does Leslie M. Antoine accept Medicare?
Yes. CMS lists Leslie Antoine as accepting Medicare assignment.
Does Leslie M. Antoine offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Leslie Antoine as offering telehealth services.
What drugs does Leslie M. Antoine prescribe most?
In 2024 Medicare Part D data, Leslie Antoine's most prescribed drugs by claims were Buspirone HCl, Lamotrigine and Gabapentin.
Has Leslie M. Antoine received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Leslie Antoine from 1 company from 2024 to 2024. The largest total came from Novo Nordisk Inc.
How long has Leslie M. Antoine been practicing?
Leslie Antoine graduated from medical school in 1975, 51 years ago.
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