TN: the directory by county and ZIP

108,683
practitioners: 38.9%
have a workplace: 31,334
provider organizations: 31,896
tax records (not added): 96
counties

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The bar is the share with a workplace listed, not the number of practitioners. Ranking by headcount would just rank by population.

County	Practitioners	Has a workplace	Provider orgs	Tax records	ZIPs
+Davidson County	17,124	32.1%	4,776	4,795	31
+Knox County	14,004	32.1%	2,293	2,268	21
+Shelby County	13,799	39.2%	3,772	4,287	37
+Williamson County	6,808	39.0%	4,909	3,518	9
+Hamilton County	5,775	35.1%	1,747	1,825	25
+Rutherford County	4,523	36.7%	1,088	1,203	11
+(county unknown)	4,260	69.2%	186	213	71
+Washington County	3,707	44.5%	857	639	8
+Sullivan County	3,641	58.6%	642	676	8
+Montgomery County	2,681	19.1%	614	713	5
+Sumner County	2,486	39.7%	651	710	6
+Madison County	2,175	37.9%	519	637	3
+Putnam County	1,837	53.1%	413	491	5
+Wilson County	1,750	43.3%	521	578	4
+Hamblen County	1,379	15.0%	253	295	4
+Maury County	1,210	30.7%	308	331	2
+Blount County	1,175	30.8%	325	362	7
+Bradley County	1,163	46.3%	501	612	6
+Anderson County	1,120	34.5%	257	260	4
+Coffee County	1,061	46.7%	326	399	4
+Sevier County	1,036	47.7%	309	298	6
+Robertson County	900	48.8%	174	215	4
+Obion County	798	76.8%	151	177	3
+Lawrence County	740	66.5%	180	179	5
+Dickson County	686	48.3%	207	196	5
+Tipton County	531	28.8%	130	158	6
+Greene County	496	24.8%	212	202	7
+Henry County	437	54.0%	154	169	5
+Warren County	416	35.6%	144	167	2
+Jefferson County	415	43.9%	122	148	5
+McMinn County	408	43.1%	159	151	6
+Gibson County	395	35.9%	183	191	8
+Carter County	380	37.9%	103	125	4
+Cumberland County	376	32.2%	178	227	5
+Weakley County	356	61.2%	112	149	5
+Bedford County	338	33.7%	151	167	4
+Roane County	334	26.3%	163	162	4
+Loudon County	317	23.3%	126	152	4
+Dyer County	309	33.7%	149	172	2
+Campbell County	308	46.1%	148	144	4
+Giles County	299	46.5%	118	124	4
+Monroe County	277	37.2%	122	110	4
+Wayne County	267	66.7%	51	71	3
+Franklin County	258	43.4%	151	160	6
+Marion County	257	67.7%	86	103	3
+Carroll County	254	25.6%	80	89	7
+Marshall County	251	40.2%	99	98	3
+Hardeman County	229	38.4%	52	72	5
+Claiborne County	225	24.4%	91	123	6
+Lincoln County	214	37.4%	115	136	4
+Hardin County	213	54.5%	104	110	3
+Cocke County	197	38.1%	86	81	5
+Hawkins County	192	31.2%	68	76	5
+Cheatham County	188	34.0%	80	73	4
+Smith County	185	53.0%	76	83	3
+Rhea County	185	42.7%	101	120	4
+Grainger County	174	54.6%	33	45	4
+Overton County	170	17.6%	61	64	2
+McNairy County	150	34.0%	72	91	4
+Unicoi County	148	45.3%	76	90	2
+White County	148	27.0%	82	82	2
+Scott County	143	32.2%	95	93	5
+Henderson County	138	37.0%	98	107	4
+Decatur County	133	35.3%	44	65	2
+Fentress County	129	51.9%	71	78	3
+Fayette County	123	37.4%	75	95	5
+Sequatchie County	122	46.7%	38	39	1
+Johnson County	120	39.2%	44	38	3
+DeKalb County	117	37.6%	52	63	3
+Macon County	112	48.2%	51	67	2
+Chester County	109	41.3%	48	61	1
+Lauderdale County	96	38.5%	54	66	3
+Haywood County	94	54.3%	52	65	1
+Humphreys County	88	34.1%	58	76	3
+Polk County	87	47.1%	42	60	5
+Hickman County	84	35.7%	39	37	5
+Benton County	78	37.2%	43	51	3
+Crockett County	71	57.7%	25	35	4
+Lewis County	68	42.6%	37	42	1
+Stewart County	59	27.1%	16	24	2
+Perry County	58	51.7%	27	32	2
+Cannon County	58	22.4%	46	46	2
+Union County	57	12.3%	25	33	2
+Houston County	56	3.6%	25	25	2
+Hancock County	55	27.3%	11	10	1
+Clay County	51	39.2%	46	42	1
+Morgan County	49	28.6%	15	15	2
+Bledsoe County	40	50.0%	20	20	1
+Lake County	33	60.6%	24	31	2
+Trousdale County	32	43.8%	28	34	1
+Grundy County	26	34.6%	20	20	7
+Jackson County	19	15.8%	11	16	1
+Meigs County	15	66.7%	16	23	1
+Pickett County	15	13.3%	10	13	1
+Van Buren County	10	10.0%	5	5	1
+Moore County	3	0.0%	6	7	1

By profession, statewide

Profession	Practitioners	Has a workplace
behavioral-health	21,100	12.9%
physician	19,185	76.7%
advanced-practice	17,877	76.7%
rehab-therapy	14,090	24.2%
nursing	8,013	29.2%
pharmacy	7,438	5.1%
other-clinical	5,151	11.6%
dental	4,674	11.7%
student	3,598	30.5%
support	2,017	3.2%
chiropractic	1,562	46.7%
eye-vision	1,395	67.2%
dietary	942	19.4%
group	855	61.4%
podiatry	261	71.6%
agency	160	34.4%
facility	151	24.5%
supplier	76	15.8%
transport	49	38.8%
emergency-medical	47	29.8%
no-taxonomy	39	2.6%
payer	3	0.0%

Release 2026-08-20. Methodology 0.7.3-draft.

Counts come from the NDH bulk export at the release named above. Organizations are split by record type and never summed: roughly half the Organization file is `ein` tax records that carry an NPI and an address, so adding them to provider organizations roughly doubles the count. Practitioner geography uses the primary address; 14.85% of practitioners list addresses in more than one state and are counted only in the first. Counties are derived from the Census ZCTA-to-county relationship file, taking the county holding the largest share of a ZIP's population; ZIPs with no dominant county are grouped as unknown. Payer organizations carry no address at all and cannot appear in any geography. Profession categories here come from the directory's own Practitioner.qualification taxonomy, not from NPPES. H54 categorises the same practitioners against their NPPES taxonomy and lands 1 to 2 points different per profession as a result: PA physicians read 73.0% here and 74.3% there. Neither is wrong. This view describes what the directory says about itself, which is the right frame for a directory explorer; H54 asks how the directory compares to the federal registry.

Data as JSON: /api/v1/explorer/tn.json. Looking for one provider? Search by name or NPI.