WA: the directory by county and ZIP

177,831
practitioners: 32.0%
have a workplace: 30,598
provider organizations: 1,168
tax records (not added): 40
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
+King County	68,410	34.4%	10,768	319	82
+Pierce County	17,742	29.2%	3,157	99	51
+Spokane County	16,023	30.4%	2,604	96	29
+Snohomish County	14,433	26.8%	2,543	94	27
+Clark County	10,867	36.6%	2,017	82	19
+Thurston County	6,532	29.9%	1,222	36	11
+Kitsap County	5,688	26.4%	951	38	16
+Whatcom County	4,700	26.9%	958	45	12
+Yakima County	4,678	32.6%	957	37	14
+Benton County	4,055	37.2%	930	50	8
+Skagit County	2,924	40.3%	617	28	8
+(county unknown)	2,763	2.5%	84	4	60
+Chelan County	2,425	38.0%	273	8	9
+Cowlitz County	2,003	34.4%	320	16	7
+Lewis County	1,619	24.8%	282	23	11
+Clallam County	1,525	24.8%	321	19	6
+Island County	1,311	30.7%	303	10	8
+Walla Walla County	1,299	33.5%	280	15	5
+Grays Harbor County	1,186	27.7%	275	17	10
+Stevens County	1,104	44.9%	123	10	8
+Grant County	887	38.2%	230	19	9
+Mason County	678	23.0%	149	10	4
+Kittitas County	664	31.0%	175	9	3
+Franklin County	615	22.0%	192	8	3
+Jefferson County	607	45.0%	151	10	4
+Whitman County	568	35.6%	139	9	12
+Asotin County	475	40.0%	105	9	1
+Okanogan County	419	58.2%	101	12	11
+Pacific County	310	28.1%	34	4	4
+Douglas County	261	37.2%	59	3	4
+Adams County	244	32.0%	55	5	2
+Columbia County	209	72.2%	25	3	1
+San Juan County	154	31.8%	53	2	3
+Lincoln County	124	61.3%	34	2	6
+Pend Oreille County	124	29.8%	35	6	2
+Klickitat County	117	34.2%	41	4	4
+Ferry County	44	79.5%	16	2	3
+Wahkiakum County	30	0.0%	4	3	3
+Skamania County	8	12.5%	5	0	1
+Garfield County	6	66.7%	10	2	1

By profession, statewide

Profession	Practitioners	Has a workplace
behavioral-health	54,628	17.0%
physician	29,251	71.7%
rehab-therapy	27,302	22.6%
advanced-practice	14,047	71.6%
other-clinical	11,088	13.2%
nursing	10,562	20.7%
pharmacy	8,510	7.2%
dental	8,017	19.9%
student	3,362	10.3%
chiropractic	3,063	44.9%
dietary	2,045	27.2%
eye-vision	1,871	59.0%
support	1,405	8.6%
group	1,114	51.4%
no-taxonomy	715	10.9%
podiatry	395	71.4%
facility	178	16.9%
emergency-medical	125	6.4%
agency	91	20.9%
supplier	46	8.7%
payer	10	10.0%
transport	6	33.3%

Release 2026-10-07. 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/wa.json. Looking for one provider? Search by name or NPI.