TN · Healthcare shortage profile
Williamson County, TN
Peak severity leads this reading: Williamson County's highest active HPSA score is 21.0, clearing HRSA's 17-point high-priority line. Population 247,726.
- Active HPSAs
- 6
- Population
- 247,726
- Peak shortage score
- 21.0
- MUA Index
- -
Mid-burden verdict
According to current HRSA Data Warehouse records, Williamson County holds a moderate federal shortage burden - 6 active HPSA designations, more than 54% of the 3,289 real US counties, with primary care the deepest gap.
- 6
- Active HPSA designations
- 2
- Dental shortages
- 21
- Peak severity score (of 26)
- Top 46%
- US counties by volume
Dense ZCTA lattice over Williamson County
Williamson County intersects 16 Census ZCTAs, above the 15-ZIP dense-tercile cut. Shortage designations still attach at the county (or smaller HPSA) grain; the ZIP list is geography, not a second severity score.
Largest land-share ZCTAs in this county
4 additional ZCTAs intersect this county in the crosswalk (ordered by land share).
Source: Census ZCTA–county relationship file joined to this portal's county FIPS set. As of 2026-08-15.
Key findings
What the HRSA Data Warehouse does not surface for Williamson County, TN on its own pages , computed from the retained designation mirror as of 2026-08-15. Each line carries its own denominator so it can be quoted as it stands.
-
Peak HPSA score 21.0 clears HRSA's 17-point high-priority line.
Scores at or above 17 on the 0–25/26 scales open NHSC placement priority for the matching provider type; eligibility still follows the designated area, not the county boundary alone.
-
33.3% of Williamson County's 6 active designations are primary care.
Discipline mix from designated HPSA records only: 2 primary care, 2 mental health, 2 dental (denominator 6).
Corpus placement
Active-designation volume placement
According to current HRSA Data Warehouse records, Williamson County carries 6 active designations, above 54% of real US counties. Use the state peer line below before treating the national percentile as a local access verdict.
State peer position. Williamson County falls in the upper quarter of TN counties by active-designation volume, at rank 16 of 95. Ties share a rank.
Computed from current designated HPSA rows for every five-digit county FIPS. See the placement methodology.
Healthcare shortage designations from HRSA. FIPS: 47187. Population: 247,726.
Active HPSA scores
Current designated records only. No Medically Underserved Area designation covers Williamson County in the current HRSA release, federal support here runs through the HPSA route alone. Scores range 0–25 (primary/mental health), 0–26 (dental). Higher = greater need. What counts as a high score?
Highest-severity HPSA designations
All 6 active (designated) HPSAs in Williamson County, ranked by HRSA shortage score.
| Name | Type | Score |
|---|---|---|
| Mercy Health Services, Inc. | dental | 21.0 |
| Mercy Health Services, Inc. | mental_health | 19.0 |
| Mercy Health Services, Inc. | primary_care | 17.0 |
| Dickson Medical Associates Fairview | mental_health | 15.0 |
| Dickson Medical Associates Fairview | primary_care | 14.0 |
| Dickson Medical Associates Fairview | dental | 13.0 |
Moderate-burden reading for Williamson County
Peak severity leads this reading: Williamson County's highest active HPSA score is 21.0, clearing HRSA's 17-point high-priority line. Dental care carries Williamson County's deepest shortage reading, 21.0 on HRSA's 0–26 dental scale, past the 17-point line HRSA uses to open National Health Service Corps placement and enhanced Medicare reimbursement. Primary care reads 17.0 of 25; Mental health reads 19.0 of 25. No Medically Underserved Area designation covers Williamson County, so federal support here runs through the HPSA route alone.
Williamson County sits in the middle of the national designation-volume distribution (above 54% of counties) with 6 active records. That is enough for a formal shortage footprint without landing in the heaviest US tier. Compare the three discipline counts (2/2/2) before assuming every care category is equally short.
Williamson County falls in the upper quarter of TN counties by active-designation volume, at rank 16 of 95. For moderate counties, the useful move is usually a state peer check plus the score cards above, not a national superlative claim.
Williamson County designations by care type
Active Health Professional Shortage Area designations in the county, by provider category (high-priority disciplines emphasized).
- Primary care
Primary care
2 designations
- Mental health
Mental health
2 designations
- Dental
Dental
2 designations
Source: HRSA Data Warehouse, Health Professional Shortage Areas (HPSA) + Medically Underserved Areas/Populations (MUA/P) HPSA primary-care, mental-health, and dental designations for Williamson County, TN · 2026 HRSA designation data updated quarterly; HPSA scores 0-25 (primary/mental) and 0-26 (dental); higher = greater shortage severity. Coverage tiers from U.S. Census ACS PUMS + KFF state tracker.
Acting on Williamson County's designations
Williamson County's shortage designations unlock specific federal programs and comparisons, here is how to act on them.
- Williamson County's 6 active designations make providers here eligible for National Health Service Corps loan repayment, estimate the award and service terms. NHSC estimator
- See how the county's primary care burden compares with the rest of TN before you draw conclusions from a single score. TN overview
- Check whether an area clears HRSA's 3,500:1 population-to-provider threshold with the provider-to-population ratio behind an HPSA score. HPSA score lookup
HPSA scores describe shortage severity within HRSA's designation criteria, not the availability of any individual provider. For a specific appointment, contact a provider or your insurer; use HRSA's current tools to verify a designation.
Nearby dental score peers
Closest U.S. counties on active dental HPSA score to Williamson County's 21.0. Open Ventura County, CA or Monterey County, CA next.
Showing 3 of 2744 counties nationally with an active designation this severe.
Counties near Williamson County's dental score of 21.0
One peer set for this severity-led county: nearest active dental HPSA score to 21.0 (severity lead on this page is “MERCY HEALTH SERVICES, INC.”).
Ventura County, CA
21.0 dental score · 843,843 pop.
Monterey County, CA
21.0 dental score · 439,035 pop.
Lorain County, OH
21.0 dental score · 312,964 pop.
Delaware County, IN
21.0 dental score · 111,903 pop.
Craven County, NC
21.0 dental score · 100,720 pop.
La Plata County, CO
21.0 dental score · 55,638 pop.
Frequently Asked Questions
- Which record sets Williamson County's peak score of 21.0?
- "MERCY HEALTH SERVICES, INC." leads the active set (score 21.0; dental; 54,633 people in the service area; designated 06/01/2012). Clearing 17 opens NHSC high-priority placement for the matching provider type on the designated geography. Discipline mix across 6 active rows: 2 primary care, 2 mental health, 2 dental.
- Why is Williamson County not listed as a Medically Underserved Area?
- Williamson County has no MUA designation on this release. Federal shortage support here runs through the active HPSA record set alone.
- Which other active designations sit under Williamson County's severity reading?
- After "MERCY HEALTH SERVICES, INC.", the next active names on this release are "MERCY HEALTH SERVICES, INC.", "MERCY HEALTH SERVICES, INC.", "MERCY HEALTH SERVICES, INC." and "DICKSON MEDICAL ASSOCIATES FAIRVIEW". Provider need (id-de-duped) totals ~0 FTE across disciplines that still carry a gap.
- Which federal pathways follow Williamson County's high-severity geography?
- Williamson County's 6 active designations can open NHSC placement, CHC grants, Medicare bonus and J-1 waivers, eligibility follows the designated area and provider type, not merely the county line around "MERCY HEALTH SERVICES, INC.".
Source: HRSA Data Warehouse. FIPS: 47187. This county’s designations come from BCD_HPSA_FCT_DET_PC.csv (primary care) , BCD_HPSA_FCT_DET_MH.csv (mental health) and BCD_HPSA_FCT_DET_DH.csv (dental) — download the normalized export on our open data page. PlainHealthAccess is not affiliated with HRSA or any government agency.
HRSA Data Warehouse HPSA + MUA/P records for FIPS 47187 (Williamson County, TN), vintage 2026-08-15. Active designation count 6; peak score 21.0; signature peak score 21.0. This profile is reference material, not professional advice; see methodology.