Your Practice Deserves the Perfect Space

As a mental health professional in Washington D.C., your workspace should reflect the quality of care you provide. At OSI Offices, we've created thoughtfully designed therapy spaces that support your practice and enhance your clients' experience.

Whether you're launching a new practice or expanding your existing services, our therapy offices provide the perfect environment for meaningful connection and healing.

Professional Environment Thoughtfully furnished spaces with comfortable seating and calming décor.

Client-Centered Waiting Areas Serene spaces with soothing nature videos for pre-session relaxation.

Complete Privacy Professional and secure facilities designed for client confidentiality.

Extended Hours Access Flexible scheduling to accommodate early morning or evening appointments.

Telehealth Ready High-speed internet and tech setup for reliable virtual sessions.

Reception Support Professional client check-in, scheduling assistance, and call handling.

Convenient Scheduling Easy-to-use in-house booking system for managing your appointments.

Prime Location Easy access via public transportation and convenient parking options.

Regular Maintenance Immaculately maintained spaces that make a professional impression.

Flexible Terms Part-time, full-time, or shared office options to match your practice needs.

Professional Community Connect with fellow practitioners for networking and referrals.

Refreshment Center Kitchenette with complimentary beverages for you and your clients.

We handle all the operational details so you can focus entirely on what matters most—your clients. Join our community of mental health professionals in Washington D.C. and discover how the right environment can elevate your practice.

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Visuals & Voices

An example of a room for small groups

An example of a room for one on one's.

Staff present 9am-9pm to meet your clients

Downtown, near multiple metro's.

A large room to give seminars

"“I retired from my full time solo private practice as a psychologist but wanted to have office hours on a part time basis. OSI and I worked out an office service plan that fit my needs perfectly, at a very reasonable cost. I have been a very satisfied customer with their services and would recommend OSI to anyone needing part time or permanent office services.” "

- Joseph Quintano Ed. D. Psychologist

""Started my therapy practice here, which ended up being perfect. The flexibility it provided for my hybrid set-up, during Covid too, was great. Staff is super friendly and helpful, location is great, and my clients always felt very welcome. Now moved on to having a full time office space down the street, but look back fondly at my time there""

- Tim van den Broek

""OSI has been instrumental in growing my business from a few evening a week to a full time thriving practice. The front desk is approachable and helpful, always willing to help me when I need some administrative support. Mumbi, the office manager, is a joy. She has consistently been attentive to the needs of my practice and invested in helping me establish systems that keep my business working seamlessly. The variety of services OSI has offered me has been invaluable. The office suite is safe and secured at all times of the day, mail is delivered in a timely fashion, and my account is charged automatically on a monthly basis. Even when I am out of the office, I am notified when a package arrives for me. As a sole proprietor, I lack the luxury and assistance of an HR department, IT team, and an administrative specialist. Mumbi, Joseph, Jack, and the front desk have all stepped up at various times over the past two years to ensure I have an office space that works on behalf of me and the people I serve." "

- Christina Moynihan, MSW, LICSW

"As a clinical psychologist, I can say that OSI provides exactly what I need . They provide great locations, professional office suites, flexibility, dependability, good friendly professional service with individualized attention, and the best rates in Washington, DC. This is why I have been with them for over 20 years.”"

- Marcus M. Mottley, Ph.D. Executive Coach & Organizational Consultant

""I have rented space from OSI for the past 11 years. I like the comfortable relaxed non-presumptuous atmosphere of the office suite but still has a professional feel to it, I have found the office staff to be helpful in meeting all my professional needs.""

- Michael Kaufman

""I love the set-up of OSI, and I appreciate the spaces that are available to provide private therapeutic services to clients. I started my private practice last year and needed a part-time office space to suit me and my clients' needs. This space is perfect! I also appreciate the community. Mumbi is an amazing leader, and all of the staff are wonderful. They are so helpful, kind, and professional. I feel blessed that I found this location in DC.""

- Simone H

""OSI has been instrumental in building my psychology practice for nearly 10 years. I started with hourly office use; graduated to a shared office space; and for the past few years have my own private full-time office. The quality and array of services along with the flexibility of plans are invaluable.""

- Diane Kern, Ph.D. Licensed Psychologist

Plans Tailored for Mental Health Professionals

View All Available Plans

Flexible Hours

^$35per month

Three hours of premium office use
$14/hour for additional time
Mobile and desktop scheduling
Standing reservation options

Perfect for practitioners starting out or offering limited in-person sessions.

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Professional Suite

^$165per month

Sixteen hours of premium office use
Prestigious K Street Farragut Square address
Comprehensive mail handling and scanning
DC phone number with voicemail-to-email
Convenient curbside mail delivery
Professional lobby listing
Registered agent services

Ideal for established practitioners with regular client schedules.