Data Methods and Comments
Each year, HPRC receives the lists of licensed health professionals from the state licensing and credentialing boards. HPRC matches mailing and practice addresses to geographic locations. The data are reviewed to remove duplicates and records with missing information.
Active Status
HPRC assigns an "active" status when the record shows a "current” license status and a practice address in Texas. If the practice address is not available, HPRC uses the Texas mailing address. For some professions, HPRC also considers employment status, practice type, or practice location when determining active status.
Because of this method, HPRC's supply numbers may be different from numbers reported by the licensing and credentialing boards.
Contact HPRC for details about how active status is determined for a specific profession or specialty.
County
HPRC uses the practice address first to determine active status. If a practice address is not available, HPRC uses the mailing address.
If a licensing file includes more than one practice address, HPRC counts only one address for county-level supply totals. HPRC uses addresses in this order: primary practice address, secondary practice address, tertiary practice address, and then mailing address.
Challenges and limitations. Incomplete or incorrect address information can make it difficult to identify the correct county and state for some records. Some professionals may also provide services in more than one county. To avoid counting the same professional more than once, HPRC counts each professional only in the county linked to the highest-priority address.
Population Data
HPRC uses Texas population projection data from the Texas Demographic Center to calculate supply ratios. Because population projections are updated often, population numbers for the same year may change between projection releases. For example, 2014 population data from the 2014 projections may differ from 2014 population data from the 2018 projections. These changes can affect the analysis and interpretation of supply ratio trends over time.
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