Gillian Thornhill
L.P.C. | Professional Counselor
422 N Northwest Hwy Ste 335, Park Ridge
Illinois, 60068-3261
847-894-6442 630-954-6066
Maps & DirectionsGillian Thornhill is a Park Ridge, Illinois based counselor who is specialized as Professional Counselor. Active license number of Gillian Thornhill is 178003972 for Professional Counselor in Illinois. Her current practice location is 422 N Northwest Hwy Ste 335, Park Ridge. Patients can book an appointment with her at 847-894-6442.
Gillian Thornhill is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. She uses talk therapy and evidence-based counseling methods to support clients in managing mental health conditions, improving relationships, and developing coping strategies for life’s difficulties.
Complete Profile:
Gillian Thornhill 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: | Gillian Thornhill |
| Specialization: | Professional Counselor |
| Gender: | Female |
| Credentials: | L.P.C. |
| Accepts Medicare Assignment: | No |
| Practice Address: | 422 N Northwest Hwy Ste 335, Park Ridge,
Illinois, 60068-3261 |
| Phone: | 847-894-6442 |
| Fax: | 630-954-6066 |
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: | 1407975949 |
| NPI Enumeration Date: | 28 Mar, 2007 |
| NPI Last Update On: | 12 May, 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 Gillian Thornhill are as mentioned below.
| License Number | Specialization | State | Status | |
| 178003972 | Professional Counselor | Illinois | Primary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 422 N Northwest Hwy Ste B4,
Park Ridge, Illinois |
| Zip: | 60068-3272 |
| Phone Number: | 847-894-6442 |
| Fax Number: | 630-954-6066 |
Patients can reach Gillian Thornhill at
422 N Northwest Hwy Ste 335, Park Ridge, Illinois or can
call to book an appointment on 847-894-6442.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 June, 2026.