Why Patients Choose This Visit

Accepting new patients

In-person visits

Coverage & Payment

Accepted coverage

Contact (516) 902-9483 to confirm insurance.

Patient reviews

Ratings from verified visits will appear here.

No written reviews yet for this doctor profile.

Common visit reasons

Illness

New symptoms

Follow-up

Annual checkup

Prescription refill

Second opinion

Treatment index

Conditions William Brennan most likely treats, ranked by estimated volume. Bars are an estimate based on specialty, profile details, and patient reviews — not insurance claims data.

Major DepressionTreats more than 96% of providers
Estimated
Generalized Anxiety DisorderTreats more than 94% of providers
Estimated
Bipolar DisorderTreats more than 78% of providers
Estimated
ADHDTreats more than 78% of providers
Estimated
PTSDTreats more than 75% of providers
Estimated
InsomniaTreats more than 73% of providers
Estimated

Practice locations

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Practice location

4067 61ST ST APT 1D, WOODSIDE, NY, 11377

(516) 902-9483

Google Maps Open map

Care style

NPI-listed providerOffice confirmation recommended

Credentials

Languages

English

NPI

1497512909