---
oid: "2.16.840.1.113883.3.5644"
description: "Primary Care Professionals OID Root"
last-modified: "2026-10-12"
parent-oid: "2.16.840.1.113883.3"
---

## OID: `2.16.840.1.113883.3.5644`

```asn1
{joint-iso-itu-t(2) country(16) us(840) organization(1) hl7(113883) externalUseRoots(3) primarycareprofessionals(5644)}
```

### Description

Primary Care Professionals OID Root

**Classification:** Healthcare; Registration authority

### Supplementary information

Primary Care Professionals OID Root 
 
See also the [Health Level 7 (HL7) OID Registry](https://hl7.org/oid/index.cfm).

**Creation date:** 2014-10-01

### Registrant

Name: Tammy Dunn
Address: Primary Care Professionals   
1890 Silver Cross Blvd,   
Suite 370   
New Lenox, IL 60451
Phone: +1 (815) 300 1450
Assignment date: 2014-10-01

### Child OIDs

No child OID

### Terms of Use

[Terms of use](https://oid-base.com/disclaimer.htm.md)