Psychiatry Clinic | Geriatric

David S. Irwin, M.d.,p.a.

16220 Frederick Rd, Suite 308, Gaithersburg, Maryland, 20877-4039

About David S. Irwin, M.d.,p.a.

David S. Irwin, M.d.,p.a. is a psychiatry clinic located in Gaithersburg, Maryland specializing in Geriatric. The clinic is located at 16220 Frederick Rd, Suite 308, Gaithersburg, MD and can be reached at 301-840-1077. The authorized official for David S. Irwin, M.d.,p.a. is Julie Jaster, who serves as the clinic’s Office Manager. He/She can be contacted at 301-840-1077. Other organizations associated with this clinic are David S. Irwin, M.d.,p.a., Hefuna Mental Health Wellness Llc, The clinic’s primary license number in Maryland is D0001714 (Geriatric Psychiatry) .
David S. Irwin, M.d.,p.a. Clinic has mental health professionals having psychiatric expertise in prevention, evaluation, diagnosis and treatment of mental and emotional disorders in the elderly, and improvement of psychiatric care for healthy and ill elderly patients.

Clinic Information

David S. Irwin, M.d.,p.a. Clinic's specialty, address, contact phone number and fax are as below. Patients can contact the clinic at the given phone number for appointments.

Clinic Name David S. Irwin, M.d.,p.a.
Specialization Geriatric Psychiatry
Practice Address 16220 Frederick Rd, Suite 308
Gaithersburg, MD - 20877-4039
Fax 301-948-6199

Authorized/Official Person Profile

Officially authorized person to contact for any management issues or complaints for this clinic are as below. Person's position and contact details are also mentioned below.

Name Julie Jaster
Position Office Manager
Contact Number 301-840-1077

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1366866808
NPI Enumeration Date: 04 Feb, 2014
NPI Last Update On: 04 Feb, 2014

Other Associated Organizations

Other organizations which are associated with this clinic are as mentioned below. These organization share the same address but have similar or different specialization. Speciality of these organizations are also mentioned below.

NameSpecializationNPI Number
David S. Irwin, M.d.,p.a.Geriatric 1366866808
Hefuna Mental Health Wellness LlcPsychiatry 1629470547

Medical Licenses

Organizations can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for David S. Irwin, M.d.,p.a. are as mentioned below.
License NumberSpecializationStateStatus
D0001714Geriatric Psychiatry MarylandPrimary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

David S. Irwin, M.d.,p.a.
16220 Frederick Rd, Suite 308
Gaithersburg, MD - 20877-4039
Phone: 301-840-1077
Fax: 301-948-6199

Book an Appointment with David S. Irwin, M.d.,p.a.

To schedule an appointment, contact David S. Irwin, M.d.,p.a. at 16220 Frederick Rd, Suite 308, Gaithersburg, Maryland or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about David S. Irwin, M.d.,p.a. clinic:

David S. Irwin, M.d.,p.a. is a psychiatry clinic specializing in Geriatric Psychiatry.

David S. Irwin, M.d.,p.a. is located at 16220 Frederick Rd, Suite 308, Gaithersburg, Maryland 20877-4039.

Patients can contact David S. Irwin, M.d.,p.a. at 301-840-1077 for inquiries about its services and appointments.

Please contact David S. Irwin, M.d.,p.a. directly to inquire about new-patient availability and appointment options.
* Availability may change.

David S. Irwin, M.d.,p.a. has mental health professionals having psychiatric expertise in prevention, evaluation, diagnosis and treatment of mental and emotional disorders in the elderly, and improvement of psychiatric care for healthy and ill elderly patients.

Patients can contact David S. Irwin, M.d.,p.a. at 301-840-1077 to inquire about appointments, consultation requirements and available services.

Reviews & Feedback

Have you visited David S. Irwin, M.d.,p.a.? Share your experience to help others looking for a psychiatry clinic in Gaithersburg, MD.

Read Reviews / Give Feedback
**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.