OR: the directory by county and ZIP

113,787
practitioners: 27.9%
have a workplace: 19,076
provider organizations: 19,771
tax records (not added): 35
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
+Multnomah County	32,868	21.6%	4,783	4,754	33
+Washington County	16,009	30.3%	2,481	2,563	16
+Clackamas County	13,052	43.7%	1,784	1,830	18
+Lane County	10,068	25.0%	1,639	1,775	23
+Jackson County	6,297	25.8%	1,175	1,309	13
+Marion County	5,952	22.6%	1,423	1,496	17
+Deschutes County	4,390	40.0%	952	1,097	6
+Yamhill County	2,950	49.1%	411	407	10
+Benton County	2,408	18.1%	406	369	6
+Josephine County	2,249	21.1%	341	388	8
+Linn County	1,941	31.6%	383	298	12
+Douglas County	1,814	24.6%	436	462	12
+Klamath County	1,774	18.2%	291	328	4
+(county unknown)	1,622	18.8%	401	476	31
+Polk County	1,193	40.3%	162	157	6
+Umatilla County	1,190	19.7%	247	258	4
+Coos County	1,160	28.8%	251	259	5
+Lincoln County	868	25.5%	183	150	10
+Clatsop County	768	25.1%	202	198	4
+Wasco County	755	24.6%	130	138	5
+Malheur County	674	25.4%	135	160	4
+Columbia County	663	12.1%	82	85	5
+Hood River County	600	27.8%	191	217	3
+Tillamook County	537	57.4%	90	75	4
+Union County	495	23.2%	117	121	5
+Crook County	372	25.3%	61	56	1
+Baker County	248	15.7%	56	61	3
+Curry County	241	13.3%	85	103	2
+Jefferson County	129	12.4%	34	43	3
+Wallowa County	127	26.8%	51	47	3
+Harney County	118	19.5%	30	28	2
+Grant County	113	32.7%	22	27	2
+Lake County	86	11.6%	34	29	2
+Morrow County	56	39.3%	7	7	1
+Gilliam County	0	—	0	0	1

By profession, statewide

Profession	Practitioners	Has a workplace
behavioral-health	38,395	13.9%
physician	16,421	72.9%
rehab-therapy	14,200	19.5%
other-clinical	11,456	8.4%
advanced-practice	7,515	76.5%
nursing	5,046	22.6%
dental	4,886	9.1%
pharmacy	4,543	2.4%
dietary	2,759	24.7%
student	2,664	15.6%
chiropractic	1,977	43.6%
support	1,443	2.1%
eye-vision	1,121	62.8%
group	794	44.8%
podiatry	232	74.1%
facility	153	14.4%
agency	62	8.1%
emergency-medical	46	13.0%
supplier	30	16.7%
no-taxonomy	25	0.0%
payer	15	0.0%
transport	4	50.0%

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/or.json. Looking for one provider? Search by name or NPI.