William James Gross
M.D. | Psychiatry | Addiction Medicine
591 Kingston Ave, Kings County Hosp., Brooklyn
New York, 11203-1707
718-245-4871 718-245-4890
Maps & DirectionsWilliam James Gross is a Brooklyn, New York based psychiatrist who is specialized in Addiction Medicine. Active license number of William James Gross is 169896-1 for Addiction Psychiatry in New York. His current practice location is 591 Kingston Ave, Kings County Hosp., Brooklyn. Patients can reach him at 718-245-4871 or can fax him at 718-245-4890. William James Gross is M.D. in Addiction Medicine and his NPI number (Unique professional ID assigned by NPPES) is 1982665907.
William James Gross focuses on the evaluation, diagnosis, and treatment of people who have one or more disorders related to addictions like illegal drugs, alcohol, and prescription medication and other substances.
Complete Profile:
William James Gross speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | William James Gross |
| Specialization: | Addiction Medicine |
| Gender: | Male |
| Credentials: | M.D. |
| Practice Address: | 591 Kingston Ave, Kings County Hosp., Brooklyn,
New York, 11203-1707 |
| Phone: | 718-245-4871 |
| Fax: | 718-245-4890 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1982665907 |
| NPI Enumeration Date: | 29 Mar, 2006 |
| NPI Last Update On: | 11 Sep, 2025 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for William James Gross are as mentioned below.
| License Number | Specialization | State | Status | |
| 169896-1 | Addiction Psychiatry | New York | Primary | |
| 169896-1 | Addiction Medicine | New York | Secondary | |
| 169896-1 | Psychiatry | New York | Secondary | |
Other Medical Identifiers:
Other legacy medical identifiers associated with William James Gross such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 00246117 | Medicaid | New York | |
| 186BNI | Other | New York | INSURANCE PROVIDER |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | William James Gross
225 Lincoln Pl,
Brooklyn, New York |
| Zip: | 11217-3746 |
| Phone Number: | 718-638-6958 |
Patients can reach William James Gross at
591 Kingston Ave, Kings County Hosp., Brooklyn, New York or can
call to book an appointment on 718-245-4871.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.