NPPES file of Aug 9, 2026

Health Service Psychologist providers in the U.S.

963 NPPES records list health service psychologist as their primary taxonomy, about 0.3 per 100,000 residents; District of Columbia and Massachusetts have the most per resident. A registry record is not proof of an active practice.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 103TH0100X · method

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

What taxonomy code 103TH0100X means

103TH0100X is the National Uniform Claim Committee code for Psychologist, Health Service, in the grouping Behavioral Health & Social Service Providers. 963 NPPES records list it as their primary taxonomy (file of Aug 9, 2026).

A psychologist, certified/licensed at the independent practice level in his/her state, who is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974).

Source: NUCC Health Care Provider Taxonomy code set, definition as NUCC publishes it (nucc.org); counts from CMS NPPES.

Most per resident: the 8 highest

  1. District of Columbia2.1
  2. Massachusetts1.3
  3. Oklahoma1.2
  4. Indiana0.9
  5. Tennessee0.7
  6. Hawaii0.7
  7. Nebraska0.6
  8. North Carolina0.5
  9. 50 states and D.C.0.3

Source: CMS NPPES, primary taxonomy 103TH0100X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

Indianapolis has the most, 21

  1. Indianapolis, IN21
  2. Boston, MA17
  3. Oklahoma City, OK16
  4. Washington, DC13
  5. Saint Louis, MO11
  6. Chicago, IL10
  7. Houston, TX10
  8. Seattle, WA10

Source: CMS NPPES, primary taxonomy 103TH0100X by practice city, file of Aug 9, 2026.

All 48 states and D.C. with records, by state

StateRecordsPer 100,000
Alabama30.1
Arizona140.2
Arkansas40.1
California760.2
Colorado140.2
Connecticut60.2
Delaware20.2
District of Columbia142.1
Florida380.2
Georgia170.2
Hawaii100.7
Idaho10.1
Illinois240.2
Indiana610.9
Iowa60.2
Kansas30.1
Kentucky130.3
Louisiana110.2
Maine30.2
Maryland150.2
Massachusetts891.3
Michigan430.4
Minnesota200.3
Mississippi60.2
StateRecordsPer 100,000
Missouri250.4
Nebraska110.6
Nevada100.3
New Hampshire30.2
New Jersey130.1
New Mexico50.2
New York300.2
North Carolina580.5
North Dakota20.3
Ohio480.4
Oklahoma471.2
Oregon180.4
Pennsylvania190.1
Rhode Island30.3
South Carolina60.1
South Dakota10.1
Tennessee500.7
Texas570.2
Utah30.1
Virginia90.1
Washington200.3
West Virginia60.3
Wisconsin100.2
Wyoming20.3

In federal data

  • NUCC code103TH0100X · Psychologist
  • Size rank272nd of 688 specialties by records (0.01% of all)
  • In its family7th of 18 Psychologist codes, 0.6% of the family
  • Concentration8 states hold half of all records

Source: CMS NPPES; Medicare Part D Prescriber PUF; CMS Open Payments 2024. Presence in these files is not a quality judgment.

A sample of health service psychologist records

  1. Patrice CarterHarvest, AL1366054322
  2. Kajal UpretyHuntsville, AL1598481921
  3. William Booth, PHDTuskegee, AL1801907761
  4. Edward Kleitsch, PH.D.Little Rock, AR1205812559
  5. Mirtha Cellitti, LPELittle Rock, AR1588175525
  6. Harrison DickensFayetteville, AR1114818986
  7. Jeremy FowlerFayetteville, AR1518502756
  8. Price Locke, PH.D.Phoenix, AZ1679686059
  9. Barbara Maxwell, PHDPhoenix, AZ1528109139
  10. Jack Garden, HSPPPhoenix, AZ1194860304
  11. Salman AkbarPhoenix, AZ1073325635
  12. Saido IgalPhoenix, AZ1336872027
  13. Shirley (duffy) Mxmahon, PH.D.Mesa, AZ1114526159
  14. Rani Hantla, PSYDGilbert, AZ1962196253
  15. Trina FranklinGilbert, AZ1558245241
  16. Jennifer Pohot, MSPSYWickenburg, AZ1346836772

Registry order, not a ranking. Search by name to find one provider.

Common questions

How should I read Health Service Psychologist's mid-pack national roster?

963 CMS-registered Health Service Psychologist providers sit across 49 states; Massachusetts leads with 89. Leading metros: Indianapolis, IN; Boston, MA; Oklahoma City, OK; Washington, DC. Rank 272nd of 688 NUCC specialties by headcount.

Where can I find a Health Service Psychologist provider?

Health Service Psychologist providers are listed in 49 states; Indianapolis leads by raw city count. By national headcount this code sits just above Sports Physical Therapist and just below Pediatric Radiology Physician. Browse by state or search by name.

What does NUCC code 103TH0100X mean?

Health Service Psychologist is NUCC taxonomy 103TH0100X in the Psychologist group. Counts are self-designated primary taxonomy at NPI enrollment, not board certification.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy (nucc.org); Medicare Part D Prescriber PUF; CMS Open Payments 2024. Counts are self-designated primary taxonomy, not board certification.

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 Aug 9, 2026.