Mr. Sean P Donnelly is a San Mateo, California based counselor who is specialized as Counselor. Active license number of Mr. Sean P Donnelly is SUDRCI25906 for Addiction (Substance Use Disorder) Counselor in California. His current practice location is 416 2nd Ave, San Mateo. Patients can book an appointment with him at 650-579-7881.
Mr. Sean P Donnelly is a trained and licensed mental health professional who helps individuals, couples, or groups manage and overcome emotional, psychological, behavioral, or relationship challenges. He works with people dealing with anxiety, depression, mood disorders, trauma, post-traumatic stress disorder (PTSD), grief and loss etc. He support his clients by understanding their thoughts, emotions, and behaviors.
Complete Profile:
Mr. Sean P Donnelly speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
| Name: | Mr. Sean P Donnelly |
| Specialization: | Counselor |
| Gender: | Male |
| Credentials: | PEER SUPPORT SPECIAL |
| Accepts Medicare Assignment: | No |
| Practice Address: | 416 2nd Ave, San Mateo,
California, 94401-3205 |
| Phone: | 650-579-7881 |
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: | 1255229530 |
| NPI Enumeration Date: | 25 Jun, 2025 |
| NPI Last Update On: | 17 Jun, 2026 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Mr. Sean P Donnelly are as mentioned below.
| License Number | Specialization | State | Status | |
| SUDRCI25906 | Addiction (Substance Use Disorder) Counselor | California | Primary | |
| MPSS-MKGVZO | Peer Specialist | California | Secondary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 114 S Delaware St,
San Mateo, California |
| Zip: | 94401-3222 |
| Phone Number: | 650-579-7881 |
Patients can reach Mr. Sean P Donnelly at
416 2nd Ave, San Mateo, California or can
call to book an appointment on 650-579-7881.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 13 July, 2026.