Diagnostic Radiology Physician vs Pediatric Radiology Physician

Diagnostic Radiology Physician has 45.3 times as many registry records as Pediatric Radiology Physician: 44,301 against 978. 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

Diagnostic Radiology Physician: 44,301 records in 56 states

California4,500
New York3,146
Texas3,124
Florida2,761
Pennsylvania2,199

Diagnostic Radiology Physician nationwide →

Pediatric Radiology Physician: 978 records in 46 states

Ohio120
California81
Pennsylvania65
Florida61
Texas60

Pediatric Radiology Physician nationwide →

By state, with records per 100,000 residents

State	Diagnostic Radiology Physician	Pediatric Radiology Physician	Per 100,000 (first)	Per 100,000 (second)
California	4,500	81	11.5	0.2
New York	3,146	41	16.1	0.2
Texas	3,124	60	10.2	0.2
Florida	2,761	61	12.2	0.3
Pennsylvania	2,199	65	17.0	0.5
Illinois	1,874	30	14.9	0.2
Minnesota	1,700	13	29.6	0.2
Ohio	1,582	120	13.4	1.0
Massachusetts	1,658	37	23.7	0.5
Michigan	1,584	14	15.8	0.1
North Carolina	1,389	17	12.8	0.2
Virginia	1,158	11	13.4	0.1
New Jersey	1,102	8	11.9	0.1
Georgia	1,065	30	9.7	0.3
Washington	1,041	41	13.3	0.5
Wisconsin	1,005	16	17.0	0.3
Missouri	976	42	15.8	0.7
Tennessee	968	36	13.6	0.5
Arizona	869	30	11.7	0.4
Maryland	877	10	14.2	0.2
Colorado	796	33	13.5	0.6
Indiana	779	5	11.4	0.1
Connecticut	619	6	17.1	0.2
Alabama	550	13	10.8	0.3
South Carolina	517	11	9.6	0.2
Oregon	522	4	12.3	0.1
Louisiana	506	5	11.1	0.1
Kentucky	477	19	10.5	0.4
Oklahoma	404	5	10.0	0.1
Iowa	364	2	11.4	0.1
Utah	327	18	9.6	0.5
Arkansas	297	21	9.7	0.7
Kansas	312	3	10.6	0.1
Nevada	310	2	9.7	0.1
Nebraska	245	10	12.4	0.5
Mississippi	247	2	8.4	0.1
New Mexico	235	2	11.1	0.1
Idaho	212	0	10.8	0.0
New Hampshire	201	1	14.3	0.1
West Virginia	199	1	11.2	0.1
District of Columbia	172	18	25.3	2.7
Maine	182	0	13.0	0.0
Rhode Island	177	0	16.2	0.0
Hawaii	166	6	11.6	0.4
Delaware	124	22	12.0	2.1
Montana	108	0	9.5	0.0
North Dakota	106	1	13.5	0.1
South Dakota	106	1	11.5	0.1
Alaska	88	0	12.0	0.0
Vermont	84	2	13.0	0.3
Wyoming	57	0	9.8	0.0

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

Common questions

How many Diagnostic Radiology Physician providers are there vs Pediatric Radiology Physician?

There are 44,301 Diagnostic Radiology Physician and 978 Pediatric Radiology Physician records in the CMS NPPES registry, counted by primary taxonomy.

Which specialty is spread across more states?

Diagnostic Radiology 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.