Clinical Neurophysiology Physician vs Psychiatry Physician

Psychiatry Physician has 110.5 times as many registry records as Clinical Neurophysiology Physician: 58,027 against 525. Each count is the NPPES records whose primary taxonomy is the specialty, so it measures how providers describe their main practice, not everyone trained in it.

CMS NPPES, file of Aug 9, 2026; 2023 Census population estimates · method

Clinical Neurophysiology Physician: 525 records in 46 states

California71
Texas57
New York44
Ohio27
Pennsylvania26

Clinical Neurophysiology Physician nationwide →

Psychiatry Physician: 58,027 records in 56 states

California8,673
New York6,589
Texas3,318
Florida2,744
Massachusetts2,736

Psychiatry Physician nationwide →

By state, with records per 100,000 residents

State	Clinical Neurophysiology Physician	Psychiatry Physician	Per 100,000 (first)	Per 100,000 (second)
California	71	8,673	0.2	22.3
New York	44	6,589	0.2	33.7
Texas	57	3,318	0.2	10.9
Florida	17	2,744	0.1	12.1
Massachusetts	17	2,736	0.2	39.1
Pennsylvania	26	2,662	0.2	20.5
Illinois	24	2,147	0.2	17.1
Michigan	16	1,729	0.2	17.2
North Carolina	13	1,725	0.1	15.9
Ohio	27	1,587	0.2	13.5
New Jersey	12	1,520	0.1	16.4
Maryland	14	1,451	0.2	23.5
Virginia	9	1,395	0.1	16.1
Georgia	9	1,291	0.1	11.7
Washington	10	1,195	0.1	15.3
Connecticut	8	1,174	0.2	32.5
Colorado	12	990	0.2	16.8
Minnesota	4	974	0.1	17.0
Missouri	5	965	0.1	15.6
Arizona	9	942	0.1	12.7
Wisconsin	4	929	0.1	15.7
South Carolina	9	891	0.2	16.6
Oregon	4	764	0.1	18.0
Tennessee	7	731	0.1	10.3
Indiana	6	672	0.1	9.8
Louisiana	8	583	0.2	12.7
Kentucky	17	503	0.4	11.1
Alabama	1	517	0.0	10.1
District of Columbia	15	474	2.2	69.8
Oklahoma	3	463	0.1	11.4
Kansas	0	410	0.0	13.9
Iowa	4	398	0.1	12.4
Rhode Island	4	383	0.4	34.9
Utah	5	373	0.1	10.9
Arkansas	5	329	0.2	10.7
Hawaii	2	331	0.1	23.1
Maine	2	326	0.1	23.4
Nevada	5	316	0.2	9.9
New Mexico	0	300	0.0	14.2
Mississippi	2	272	0.1	9.3
New Hampshire	3	263	0.2	18.8
Nebraska	2	260	0.1	13.1
West Virginia	1	238	0.1	13.4
Vermont	1	203	0.2	31.4
Idaho	1	164	0.1	8.3
Delaware	0	162	0.0	15.7
Montana	0	156	0.0	13.8
Alaska	1	122	0.1	16.6
South Dakota	1	112	0.1	12.2
North Dakota	0	108	0.0	13.8
Wyoming	0	46	0.0	7.9

Source: CMS NPPES (NPPES files on CMS.gov), primary NUCC taxonomy by practice state; 2023 population estimates (census.gov).

Common questions

How many Clinical Neurophysiology Physician providers are there vs Psychiatry Physician?

There are 525 Clinical Neurophysiology Physician and 58,027 Psychiatry Physician records in the CMS NPPES registry, counted by primary taxonomy.

Which specialty is spread across more states?

Psychiatry Physician has records in 56 states and territories, against 46.

Where is the data from?

Provider counts are from the CMS National Plan and Provider Enumeration System (NPPES). Per-capita rates use 2023 Census population estimates.

Two specialties are not substitutes: scope of practice, training and the conditions treated differ. More comparisons →

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of the NPPES file of Aug 9, 2026.