Douglas Chang
Douglas Chang is a small business in Geneva, IL registered on SAM.gov to bid on federal contracts. It has won about $770,220 in federal prime contracts as a small business since fiscal year 2024, according to USAspending.gov.
- UEI
- N2SBM8Y16CA1
- CAGE code
- 5TPC3
- SAM.gov registration
- Active
Federal contract history
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Registration details
Show registration details
From SAM.gov's monthly public file dated Nov 1, 2026. If the business has updated its registration since, SAM.gov shows the newer details.
| Legal business name | Douglas Chang |
|---|---|
| Unique Entity ID (UEI) | N2SBM8Y16CA1 |
| CAGE code | 5TPC3 |
| Location | Geneva, IL |
| SAM.gov registration | Active through Jul 5, 2027 |
| Business started | 2009 |
| Primary NAICS code | 621111: Offices of Physicians (except Mental Health Specialists) |
| How to contact | No phone or email in SAM.gov's public file. Search UEI N2SBM8Y16CA1 in SBA's Small Business Search for a contact the business added. |
Certifications and business types
No SBA certification (8(a), HUBZone or WOSB) in SAM.gov's public file (Nov 1, 2026).
SBA certifications let a business compete for set-aside contracts (set-asides explained). Check the current record on its SAM.gov entry.
How to check or correct this record
The file sometimes leaves a certification out, and a newer one won't be in it yet.
Check or correct this record at the source: open its SAM.gov entry, or search UEI N2SBM8Y16CA1 () in SAM.gov's entity search (free sign-in) and in SBA's Small Business Search (formerly DSBS), which shows SBA certifications. The business can update its details in its SAM.gov registration and its certifications at certifications.sba.gov.
NAICS codes Douglas Chang is small under
On its SAM.gov registration, Douglas Chang meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 621111 Offices of Physicians (except Mental Health Specialists)
Open contracts in Douglas Chang's NAICS codes
6 open federal opportunities on SAM.gov use one of Douglas Chang's NAICS codes and may be open to it: no set-aside, or, in the code it is registered small under, a small business set-aside. Here are a few, those in its primary code first (none of these are in Illinois right now), then the soonest due.
- Locum - Anesthesiology Physician Services - 621 5-YR w/Orders 4/1/27-3/31/32
Due in 9 daysNov 16, 2026, 11:00 AM CST
- Jacobs Creek JCC Medical Services
✦ The USDA Forest Service wants quotes for medical services at the Jacobs Creek Job Corps Center in Bristol, Tennessee (solicitation 1282A727Q0002).
Due in 10 daysNov 17, 2026, 5:00 PM EST
- FY27: Intraoperative Neuromonitoring (IONM) Services
Due in 11 daysNov 18, 2026, 4:00 PM EST
- Flatwoods JCC Medical Services
Due in 12 daysNov 19, 2026, 5:00 PM EST
- Q403-RFP Medical Disability Examinations-Next Generation (MDE-NG)
Due in 40 daysDec 17, 2026, 10:00 AM EST
Similar small businesses
Other small businesses of a similar size with the same primary NAICS code (621111) that have won federal contracts in Illinois:
- Rohini Mendonca, S.C., Chicago, IL
- Leong Apex S.C., Chicago, IL
- MBJ3 Family Enterprises LLC, Barrington, IL
- Sai R Nimmagadda, Long Grove, IL
- Hemantha Surath MD, Glenview, IL
- James L Greco MD, Oak Brook, IL
Is this your business? Get a reminder before the SAM.gov registration expires
Get a reminder before the SAM.gov registration expires. It's active through Jul 5, 2027. We'll email you 60, 30 and 7 days ahead, and if it lapses.
Frequently asked questions
What is Douglas Chang's CAGE code?
Douglas Chang's CAGE code is 5TPC3. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Douglas Chang's UEI?
Douglas Chang's Unique Entity ID (UEI) is N2SBM8Y16CA1. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Douglas Chang's SAM.gov registration active?
Yes, as of SAM.gov's public data from Nov 1, 2026, Douglas Chang's registration is active through Jul 5, 2027. Registrations are renewed every year.
Is Douglas Chang a small business?
Douglas Chang is registered on SAM.gov as small under 1 NAICS code, including its primary code, 621111. Size is set per NAICS code, so a business can be small for some contracts and not others.
Keep going
- Look up another business's CAGE code or UEI
- Check a SAM.gov registration's status
- How to become a government subcontractor
- Hiring subcontractors? List small businesses by state, NAICS code and certification
Registration details come from SAM.gov's public entity extract and contract figures from USAspending.gov. Contact names and street addresses are left out. To change these details, update the registration on SAM.gov. To report a mistake on this page, or to ask us to remove it, email hello@fedready.us with the page address; we reply within 2 business days. For a removal, write from an address at the company.