Behavior Technician vs Internal Medicine Physician

Behavior Technician has 3.9 times as many registry records as Internal Medicine Physician: 580,469 against 149,962. 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

Behavior Technician: 580,469 records in 54 states

California171,666
Florida75,633
Michigan63,468
Texas25,158
Maryland25,139

Behavior Technician nationwide →

Internal Medicine Physician: 149,962 records in 56 states

California17,696
New York12,067
Florida10,151
Texas9,175
Pennsylvania7,300

Internal Medicine Physician nationwide →

By state, with records per 100,000 residents

State	Behavior Technician	Internal Medicine Physician	Per 100,000 (first)	Per 100,000 (second)
California	171,666	17,696	440.6	45.4
Florida	75,633	10,151	334.5	44.9
Michigan	63,468	5,735	632.3	57.1
Texas	25,158	9,175	82.5	30.1
Maryland	25,139	3,904	406.8	63.2
Indiana	17,050	2,109	248.5	30.7
Minnesota	16,115	2,632	280.9	45.9
Massachusetts	11,430	6,825	163.3	97.5
North Carolina	13,243	4,056	122.2	37.4
New York	4,536	12,067	23.2	61.7
Illinois	9,340	7,238	74.4	57.7
Georgia	12,209	3,911	110.7	35.5
Colorado	11,984	2,046	203.9	34.8
Ohio	7,538	5,277	64.0	44.8
Washington	9,312	3,079	119.2	39.4
Pennsylvania	4,483	7,300	34.6	56.3
Virginia	7,994	3,599	92.5	41.6
Utah	10,583	664	309.6	19.4
Arizona	7,470	2,853	100.5	38.4
Tennessee	5,538	2,596	77.7	36.4
Nevada	6,372	1,229	199.5	38.5
New Jersey	2,560	4,632	27.6	49.9
Oklahoma	5,997	1,115	147.9	27.5
Louisiana	4,931	1,749	107.8	38.2
New Mexico	5,599	770	264.8	36.4
Missouri	3,712	2,604	59.9	42.0
Hawaii	5,324	902	371.0	62.9
South Carolina	3,490	1,881	64.9	35.0
Oregon	3,063	2,116	72.4	50.0
Alabama	3,117	1,705	61.0	33.4
Kansas	3,805	1,010	129.4	34.3
Arkansas	4,041	768	131.7	25.0
Nebraska	3,921	813	198.2	41.1
Connecticut	1,896	2,623	52.4	72.5
Kentucky	2,373	1,526	52.4	33.7
Wisconsin	1,631	2,078	27.6	35.2
Iowa	1,054	871	32.9	27.2
District of Columbia	766	901	112.8	132.7
Idaho	1,206	453	61.4	23.1
Mississippi	665	972	22.6	33.1
Rhode Island	589	1,033	53.7	94.3
Alaska	1,363	177	185.8	24.1
New Hampshire	654	673	46.6	48.0
West Virginia	406	754	22.9	42.6
Delaware	302	600	29.3	58.1
North Dakota	629	245	80.2	31.3
Maine	85	597	6.1	42.8
Montana	296	324	26.1	28.6
South Dakota	272	247	29.6	26.9
Wyoming	284	134	48.6	22.9
Vermont	39	326	6.0	50.4

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

Common questions

How many Behavior Technician providers are there vs Internal Medicine Physician?

There are 580,469 Behavior Technician and 149,962 Internal Medicine Physician records in the CMS NPPES registry, counted by primary taxonomy.

Which specialty is spread across more states?

Internal Medicine Physician has records in 56 states and territories, against 54.

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.