Table 1

Characteristics of Exemplar Electronic Prescribing Practices

Practice No. and Structure	Type	Records	Nature of eRx	No. of eRx Users	Source of IT Support	No. of Rx/Month^a	No. of Visits/Year^a
1. Part of an IPA	Internal medicine, pediatrics	Paper	Stand-alone	4 at site/1 CMA responsible	IPA (through contractor)	1,600	12,000
2. Part of medical group	Multiple-specialty practice	EHR	Integrated	25 at site/2 RNs responsible	Internal department	9,839	112,000
3. Associated with hospital	Pediatrics	Hybrid paper and EHR	Integrated	8 at site/4 RNs responsible	Hospital	1,176	22,468
4. Associated with hospital	Internal and family medicine	EHR	Stand-alone	10 at site/3 RNs responsible	Hospital	8,000	25,000
5. Part of medical group	Multiple-specialty practice	EHR	Integrated	60 at site/5 pharmacy technicians dedicated	Internal department	–	–

CMA=certified medical assistant; EHR = electronic health record; eRx = electronic prescribing; IPA = independent physicians association; IT=information technology; RN=registered nurse; Rx=prescription.
Note: Prescribers are physicians, physician assistants, or nurse practitioners. Sources were advance questionnaires, and interviews conducted by and observations made by coauthors.
↵a Estimates provided by practice leaders; leaders of practice 5 did not provide estimates.