Dr. Holly Drewer Erwin
PH.D. | Clinical Psychologist
9625 Surveyor Ct Ste 200, Manassas
Virginia, 20110-4408
703-330-9933 703-368-8454
Maps & DirectionsDr. Holly Drewer Erwin is a Manassas, Virginia based psychologist who is specialized in Clinical Psychology. Active license number of Dr. Holly Drewer Erwin is 0810003271 for Clinical Psychology in Virginia. Her current practice location is 9625 Surveyor Ct Ste 200, Manassas. Patients can reach her at 703-330-9933 or can fax her at 703-368-8454. Dr. Holly Drewer Erwin is PH.D. in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1215940648.
Dr. Holly Drewer Erwin is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.
Complete Profile:
Dr. Holly Drewer Erwin speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Dr. Holly Drewer Erwin |
| Specialization: | Clinical Psychology |
| Gender: | Female |
| Credentials: | PH.D. |
| Practice Address: | 9625 Surveyor Ct Ste 200, Manassas,
Virginia, 20110-4408 |
| Phone: | 703-330-9933 |
| Fax: | 703-368-8454 |
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: | 1215940648 |
| NPI Enumeration Date: | 15 Aug, 2006 |
| NPI Last Update On: | 09 Jul, 2007 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Holly Drewer Erwin are as mentioned below.
| License Number | Specialization | State | Status | |
| 0810003271 | Clinical Psychology | Virginia | 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: | Dr. Holly Drewer Erwin
9625 Surveyor Ct Ste 200,
Manassas, Virginia |
| Zip: | 20110-4408 |
| Phone Number: | 703-330-9933 |
| Fax Number: | 703-368-8454 |
Patients can reach Dr. Holly Drewer Erwin at
9625 Surveyor Ct Ste 200, Manassas, Virginia or can
call to book an appointment on 703-330-9933.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.