Federal contractor profile
DEREK J. O'BRIEN, M.D., P.C.
UEI HLNHKNH7M6Z5CAGE 5ZTC0
Active
Small Business
Overview
- Legal name
- DEREK J. O'BRIEN, M.D., P.C.
- Registered location
- ATLANTA, GA, USA
- Primary NAICS
- 621420 — Outpatient Mental Health and Substance Abuse Centers
- Latest award activity
- Jun 3, 2026
Read company summary
DEREK J. O'BRIEN, M.D., P.C. is associated with UEI HLNHKNH7M6Z5 and CAGE 5ZTC0 in public federal records. AcornBids currently links 5 prime awards totaling $735.3K in obligations to this entity. Its largest recorded federal customer by obligations is Social Security Administration. Its recorded federal awards include work classified as Offices of Physicians, Mental Health Specialists. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 621420 (Outpatient Mental Health and Substance Abuse Centers). Its public SAM.gov registration lists ATLANTA, GA, USA.
At a glance
Lifetime prime obligations$735.3K
Prime awards5
Awards with future end dates1
Top-agency concentration
Not available
Why this customer concentration
Detailed agency totals are not available in this stored profile.
Largest positive coded-agency total ÷ all positive coded-agency totals × 100
Missing data is shown as unavailable.
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Sep 27, 2026. Refresh pending; these totals may be out of date.
Business information
Public SAM.gov registration details.
- Legal name
- DEREK J. O'BRIEN, M.D., P.C.
- UEI
- HLNHKNH7M6Z5
- CAGE
- 5ZTC0
- Registered address
- 3223 CHATHAM RD NW, ATLANTA, GA, 30305, USA
- Registration status
- Active
- Primary NAICS
- 621420 — Outpatient Mental Health and Substance Abuse Centers
- SAM activation
- Nov 4, 2025
- Initial registration
- May 3, 2010
- Entity start
- Jul 1, 1998
- SAM updated
- Nov 4, 2025
- Registration expires
- Nov 2, 2026
- Fiscal year end
- Dec 31
- Place of incorporation
- GA, USA
Federal award analysis
Net transaction obligations by federal fiscal period.
Transaction history is not available in the loaded data. Annual funding is not estimated from current award totals.
Recent federal awards
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| 28321326FAC041050BLANKET PURCHASE AGREEMENT FOR MEDICAL CONSULTANT SERVICES IN DISABILITY ADJUDICATION (ATLANTA). REVIEWS BY MEDICAL CONSULTANT OF DISABILITY CLAIM CASE FILES FOR AGENCY… | Social Security Administration | $238.6K | Jun 3, 2026 | Jun 30, 2027 |
| 28321326FAC041009BLANKET PURCHASE AGREEMENT FOR CONTRACTOR TO PROVIDE MEDICAL CONSULTANT SERVICES FOR SOCIAL SECURITY ADMINISTRATION IN THE SOUTHEAST REGION (ATLANTA). REVIEWS BY MEDICAL… | Social Security Administration | $43.9K | Mar 4, 2026 | Jun 30, 2026 |
| 28321321AC0440026BLANKET PURCHASE AGREEMENT FOR CONTRACTORS TO PROVIDE REGIONAL MEDICAL CONTRACTOR SERVICES FOR THE SOCIAL SECURITY ADMINISTRATION CENTER OF DISABILITY PROGRAM SUPPORT IN ATLANTA… | Social Security Administration | $3.9M | Mar 25, 2021 | Not available |
| 28321325FAC041016MEDICAL CONSULTANT SERVICES TO REVIEW DISABILITY CASES AT THE AGENCY'S ATLANTA, GA REGIONAL OFFICE. | Social Security Administration | $252.4K | Feb 21, 2025 | Feb 23, 2026 |
| 28321324FAC041013NEW CALL ORDER FOR 1,800 INDEPENDENT CASE REVIEWS FOR REGION 4, ISSUED AGAINST BLANKET PURCHASE AGREEMENT 28321321AC0440026. | Social Security Administration | $200.4K | Feb 20, 2024 | Feb 20, 2025 |
Upcoming positioning windows
Modeled recompete windows are estimates, not announced solicitations or guarantees.
Registration, certifications & contacts
| Registration evidence | Date |
|---|---|
| SAM updated | Nov 4, 2025 |
| Source loaded | Sep 26, 2026 |
| Initial registration | May 3, 2010 |
| Entity start | Jul 1, 1998 |
Registration classifications: Small Business. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 621420 — Outpatient Mental Health and Substance Abuse Centers | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| DEREK O'BRIEN | Government business | Contact method not published | SAM registration | Not available |
| DEREK O'BRIEN | Alternate government business | Contact method not published | SAM registration | Not available |
| DEREK O'BRIEN | Electronic business | Contact method not published | SAM registration | Not available |
| DEREK O'BRIEN | Alternate electronic business | Contact method not published | SAM registration | Not available |
Registered industries
- 621420 — Outpatient Mental Health and Substance Abuse Centers
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
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About DEREK J. O'BRIEN, M.D., P.C.
What products and services appear in its federal awards?
Recorded award industries: 621112 — Offices of Physicians, Mental Health Specialists.
Recorded products and services: Q999 — Other Medical Services; Q526 — Medical/Psychiatric Consultation Services.
Examples from recent award records:
- BLANKET PURCHASE AGREEMENT FOR MEDICAL CONSULTANT SERVICES IN DISABILITY ADJUDICATION (ATLANTA). REVIEWS BY MEDICAL CONSULTANT OF DISABILITY CLAIM CASE FILES FOR AGENCY…
- BLANKET PURCHASE AGREEMENT FOR CONTRACTOR TO PROVIDE MEDICAL CONSULTANT SERVICES FOR SOCIAL SECURITY ADMINISTRATION IN THE SOUTHEAST REGION (ATLANTA). REVIEWS BY MEDICAL…
These records describe federal award work, not every company capability. Review the award evidence.
Where is the company registered?
3223 CHATHAM RD NW, ATLANTA, Georgia 30305, United States
Registered location from SAM.gov; award performance locations may differ.
What is its primary registered industry?
621420 — Outpatient Mental Health and Substance Abuse Centers.
Primary SAM.gov NAICS classification.
Which federal agencies are represented in its awards?
Social Security Administration.
Data coverage and methodology
Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.
No official subaward rows are loaded, so Acorn does not claim known teaming relationships.
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