OK: the directory by county and ZIP

80,659
practitioners: 30.7%
have a workplace: 20,304
provider organizations: 22,673
tax records (not added): 78
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
+Oklahoma County	22,518	30.0%	5,961	6,886	49
+Tulsa County	16,924	24.4%	4,040	4,414	36
+Cleveland County	5,014	25.3%	1,126	1,449	11
+(county unknown)	4,783	83.9%	244	249	33
+Comanche County	2,409	17.4%	542	566	7
+Canadian County	1,705	29.4%	434	503	6
+Muskogee County	1,493	11.5%	356	422	6
+Payne County	1,453	25.3%	365	391	7
+Pittsburg County	1,437	36.6%	257	255	3
+Rogers County	1,426	18.2%	223	263	6
+Le Flore County	1,369	58.5%	217	236	11
+Pottawatomie County	1,327	27.8%	283	292	5
+Carter County	1,311	26.8%	331	405	5
+Pontotoc County	1,054	33.3%	262	259	2
+Cherokee County	986	25.6%	203	201	6
+Bryan County	973	21.9%	261	290	6
+Garfield County	839	23.1%	319	356	6
+Ottawa County	783	46.0%	117	118	6
+Custer County	761	30.1%	232	246	3
+Creek County	722	16.1%	166	189	8
+Kay County	692	24.1%	227	268	5
+Washington County	680	11.6%	200	253	5
+Delaware County	584	24.0%	139	156	6
+Mayes County	504	14.3%	110	113	5
+Woodward County	476	17.9%	155	144	2
+Wagoner County	475	19.8%	114	157	4
+McClain County	409	62.8%	126	162	5
+Sequoyah County	366	15.8%	212	236	5
+Craig County	364	5.2%	83	63	3
+Stephens County	363	40.2%	185	225	3
+Garvin County	354	54.5%	129	154	6
+Okmulgee County	351	18.8%	173	155	5
+Beckham County	322	30.7%	169	219	3
+McCurtain County	320	25.6%	177	174	6
+Jackson County	318	45.0%	110	126	1
+Pushmataha County	302	16.9%	49	35	1
+Atoka County	260	6.9%	53	57	1
+Grady County	250	25.6%	129	150	6
+Pawnee County	231	33.3%	70	72	3
+Choctaw County	230	24.8%	95	87	3
+Haskell County	225	20.0%	65	77	3
+Lincoln County	221	28.5%	102	122	5
+Nowata County	220	3.2%	102	20	1
+Kingfisher County	219	68.5%	75	95	6
+Logan County	217	36.9%	88	89	4
+Hughes County	207	67.6%	69	72	2
+Osage County	200	25.0%	96	126	5
+Johnston County	197	31.5%	69	57	3
+Seminole County	191	23.0%	91	77	3
+Greer County	185	56.8%	48	41	2
+Caddo County	171	59.1%	67	71	10
+Adair County	150	7.3%	55	44	4
+Marshall County	145	13.1%	43	39	2
+McIntosh County	128	37.5%	97	120	2
+Texas County	96	35.4%	69	74	1
+Murray County	95	33.7%	59	63	2
+Woods County	92	16.3%	40	45	3
+Blaine County	83	21.7%	36	36	4
+Okfuskee County	82	9.8%	25	22	4
+Noble County	71	14.1%	38	37	3
+Latimer County	49	10.2%	48	55	2
+Kiowa County	45	17.8%	36	34	4
+Tillman County	30	30.0%	23	24	2
+Major County	27	33.3%	24	32	2
+Coal County	22	31.8%	23	24	2
+Love County	20	35.0%	15	15	2
+Alfalfa County	20	35.0%	10	14	2
+Grant County	19	63.2%	14	17	3
+Washita County	18	38.9%	29	25	3
+Harmon County	17	23.5%	17	17	1
+Harper County	16	75.0%	4	4	2
+Ellis County	15	33.3%	14	20	1
+Beaver County	10	60.0%	15	13	2
+Jefferson County	8	50.0%	17	15	2
+Dewey County	7	42.9%	21	23	4
+Cotton County	3	33.3%	12	14	1
+Roger Mills County	0	—	3	2	2
+Cimarron County	0	—	1	2	1

By profession, statewide

Profession	Practitioners	Has a workplace
behavioral-health	24,363	14.2%
physician	12,783	75.1%
other-clinical	10,585	3.3%
rehab-therapy	7,892	18.5%
advanced-practice	7,598	80.8%
nursing	3,984	20.4%
pharmacy	3,394	5.9%
dental	2,916	14.1%
student	2,063	11.8%
eye-vision	1,073	76.5%
chiropractic	1,017	54.6%
dietary	857	27.0%
support	781	2.4%
group	558	52.3%
facility	283	10.6%
agency	269	4.1%
podiatry	157	85.4%
supplier	45	17.8%
emergency-medical	20	30.0%
no-taxonomy	15	6.7%
transport	4	25.0%
payer	2	100.0%

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