Intellectual & Developmental Disabilities Psychologist providers in the U.S.
958 NPPES records list intellectual & developmental disabilities psychologist as their primary taxonomy, about 0.3 per 100,000 residents; Delaware and Nebraska have the most per resident. 2 of them appear in the Medicare Part D prescriber file: a registry record is not proof of an active practice.
Most per resident: the 8 highest
Source: CMS NPPES, primary taxonomy 103TM1800X by practice state, loaded Aug 27, 2026; records per 100,000 residents, 2023 Census estimates.
Dover has the most, 30
Source: CMS NPPES, primary taxonomy 103TM1800X by practice city, loaded Aug 27, 2026.
All 47 states and D.C. with records, by state
| State | Records | Per 100,000 |
|---|---|---|
| Alabama | 9 | 0.2 |
| Alaska | 2 | 0.3 |
| Arizona | 12 | 0.2 |
| Arkansas | 5 | 0.2 |
| California | 67 | 0.2 |
| Colorado | 16 | 0.3 |
| Connecticut | 3 | 0.1 |
| Delaware | 154 | 14.9 |
| District of Columbia | 1 | 0.1 |
| Florida | 63 | 0.3 |
| Georgia | 18 | 0.2 |
| Idaho | 2 | 0.1 |
| Illinois | 23 | 0.2 |
| Indiana | 13 | 0.2 |
| Iowa | 4 | 0.1 |
| Kansas | 3 | 0.1 |
| Kentucky | 7 | 0.2 |
| Louisiana | 9 | 0.2 |
| Maine | 5 | 0.4 |
| Maryland | 25 | 0.4 |
| Massachusetts | 24 | 0.3 |
| Michigan | 45 | 0.4 |
| Minnesota | 28 | 0.5 |
| Mississippi | 3 | 0.1 |
| State | Records | Per 100,000 |
|---|---|---|
| Missouri | 10 | 0.2 |
| Nebraska | 17 | 0.9 |
| Nevada | 7 | 0.2 |
| New Hampshire | 2 | 0.1 |
| New Jersey | 26 | 0.3 |
| New York | 71 | 0.4 |
| North Carolina | 43 | 0.4 |
| North Dakota | 1 | 0.1 |
| Ohio | 86 | 0.7 |
| Oklahoma | 3 | 0.1 |
| Oregon | 7 | 0.2 |
| Pennsylvania | 22 | 0.2 |
| Rhode Island | 3 | 0.3 |
| South Carolina | 7 | 0.1 |
| Tennessee | 16 | 0.2 |
| Texas | 55 | 0.2 |
| Utah | 1 | 0.0 |
| Vermont | 2 | 0.3 |
| Virginia | 18 | 0.2 |
| Washington | 6 | 0.1 |
| West Virginia | 1 | 0.1 |
| Wisconsin | 4 | 0.1 |
| Wyoming | 2 | 0.3 |
In federal data
- NUCC code103TM1800X · Psychologist
- Size rank272nd of 690 specialties by records (0.01% of all)
- In its family8th of 18 Psychologist codes, 0.6% of the family
- Part D prescribers2 (0.2% of records)
- Part D claims334 a year per prescriber, on average (354th of 572)
- Industry payments1 physicians paid $701 in 2024, $701 each on average
- Concentration6 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 intellectual & developmental disabilities psychologist records
- Susan Redmond-Vaught, PH.D.Fort Campbell, KY1457335903
- Donald Goldstein, PHDWinston Salem, NC1457338287
- Tracy Cooper, MSW, LCSW, EI-IMHChicago, IL1801876552
- Paul Napier, MA, BCBAJacksonville, FL1699743351
- Cynthia Batiz, PSYDPonce, PR1134187776
- Betty StephensClermont, FL1477501641
- Timothy Crawford, PH.D.Winston Salem, NC1073565925
- Dean Alexander, PH DPomona, CA1871549568
- Bruce Boyd, PH.D.Salem, OR1881640910
- Michael Rohr, EDDSomerville, TN1316988579
- Lynda Sandow, PH.D.Morgantown, IN1922041169
- Brenda Duffey-JepsenPomona, CA1619911120
- Susan Havercamp, PHDColumbus, OH1760410898
- Carol Gandolfo, PSY DPomona, CA1578594313
- Dyan Yacovelli, PSYDAtascadero, CA1497787972
- Theodore Kastner, M.D.,M.S.Bloomfield, NJ1942226154
Registry order, not a ranking. Search by name to find one provider.
Common questions
How should I read Intellectual & Developmental Disabilities Psychologist's mid-pack national roster?
958 CMS-registered Intellectual & Developmental Disabilities Psychologist providers sit across 48 states; Delaware leads with 154. Leading metros: Dover, DE; Smyrna, DE; Saint Paul, MN; Houston, TX. Rank 272nd of 690 NUCC specialties by headcount.
How does Intellectual & Developmental Disabilities Psychologist show up in Open Payments mid-pack?
CMS Open Payments 2024 lists 1 Intellectual & Developmental Disabilities Psychologist physicians receiving $701 across 39 payments (average $701; 315th of 551 specialties). Not a quality score.
How much Part D prescribing does this specialty do?
Among Intellectual & Developmental Disabilities Psychologist NPIs, 2 appear in the Medicare Part D Prescriber PUF (average 334 claims and $259K drug cost per prescriber; 354th of 572 specialties by average claims). Non-prescribing clinicians in the same NUCC code are still in NPPES.
Source: CMS National Plan and Provider Enumeration System (NPPES), file loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.