Sleep Medicine (Psychiatry & Neurology) Physician providers in the U.S.
518 NPPES records list sleep medicine (psychiatry & neurology) physician as their primary taxonomy, about 0.2 per 100,000 residents; New Hampshire and Vermont have the most per resident. 377 of them appear in the Medicare Part D prescriber file: a registry record is not proof of an active practice.
What taxonomy code 2084S0012X means
2084S0012X is the National Uniform Claim Committee code for Psychiatry & Neurology, Sleep Medicine, in the grouping Allopathic & Osteopathic Physicians. 518 NPPES records list it as their primary taxonomy (file of Aug 9, 2026).
A Psychiatrist or Neurologist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
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
Source: CMS NPPES, primary taxonomy 2084S0012X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.
Stanford has the most, 10
Source: CMS NPPES, primary taxonomy 2084S0012X by practice city, file of Aug 9, 2026.
All 45 states and D.C. with records, by state
| State | Records | Per 100,000 |
|---|---|---|
| Alabama | 5 | 0.1 |
| Alaska | 2 | 0.3 |
| Arizona | 13 | 0.2 |
| Arkansas | 4 | 0.1 |
| California | 53 | 0.1 |
| Colorado | 7 | 0.1 |
| Connecticut | 6 | 0.2 |
| District of Columbia | 3 | 0.4 |
| Florida | 22 | 0.1 |
| Georgia | 13 | 0.1 |
| Hawaii | 1 | 0.1 |
| Idaho | 4 | 0.2 |
| Illinois | 28 | 0.2 |
| Indiana | 3 | 0.0 |
| Iowa | 1 | 0.0 |
| Kansas | 1 | 0.0 |
| Kentucky | 1 | 0.0 |
| Louisiana | 8 | 0.2 |
| Maine | 1 | 0.1 |
| Maryland | 11 | 0.2 |
| Massachusetts | 15 | 0.2 |
| Michigan | 24 | 0.2 |
| Minnesota | 19 | 0.3 |
| State | Records | Per 100,000 |
|---|---|---|
| Mississippi | 6 | 0.2 |
| Missouri | 16 | 0.3 |
| Montana | 2 | 0.2 |
| Nevada | 3 | 0.1 |
| New Hampshire | 9 | 0.6 |
| New Jersey | 6 | 0.1 |
| New Mexico | 6 | 0.3 |
| New York | 21 | 0.1 |
| North Carolina | 19 | 0.2 |
| North Dakota | 3 | 0.4 |
| Ohio | 26 | 0.2 |
| Oklahoma | 2 | 0.0 |
| Oregon | 13 | 0.3 |
| Pennsylvania | 24 | 0.2 |
| South Carolina | 5 | 0.1 |
| Tennessee | 18 | 0.3 |
| Texas | 32 | 0.1 |
| Utah | 2 | 0.1 |
| Vermont | 3 | 0.5 |
| Virginia | 18 | 0.2 |
| Washington | 30 | 0.4 |
| Wisconsin | 5 | 0.1 |
In federal data
- NUCC code2084S0012X · Psychiatry & Neurology
- Size rank329th of 688 specialties by records (0.01% of all)
- In its family11th of 23 Psychiatry & Neurology codes, 0.5% of the family
- Part D prescribers377 (72.8% of records)
- Part D claims655 a year per prescriber, on average (143rd of 496)
- Industry payments278 physicians paid $1.5M in 2024, $6K each on average
- Concentration9 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 sleep medicine (psychiatry & neurology) physician records
- Christina Darby, M.D.Anchorage, AK1225348592
- Derrick Manzlak, M.D.Anchorage, AK1235429457
- James Geyer, M.D.Tuscaloosa, AL1821056789
- Darren Gannuch, M.D.Scottsboro, AL1669401709
- Michael Labanowski, M.D.Dothan, AL1225086366
- Walid Freij, M.D.Selma, AL1861586034
- Christopher Hope, MDOpelika, AL1275829319
- David Anderson, MDConway, AR1245410216
- Gary Goza, MDLittle Rock, AR1669430252
- Caris Fitzgerald, M.D.Little Rock, AR1972704583
- Gregory Krulin, MDLittle Rock, AR1033161146
- Joyce Lee-Iannotti, M.D.Phoenix, AZ1518133271
- Sanjay Kaji, MDPhoenix, AZ1154740314
- Raphael Golebiowski, MDPhoenix, AZ1346734589
- Michael Pelekanos, MDPhoenix, AZ1659800175
- Anupama Ramalingam, MDMesa, AZ1427336965
Registry order, not a ranking. Search by name to find one provider.
Common questions
How should I read Sleep Medicine (Psychiatry & Neurology) Physician's mid-pack national roster?
518 CMS-registered Sleep Medicine (Psychiatry & Neurology) Physician providers sit across 46 states; California leads with 53. Leading metros: Stanford, CA; Chicago, IL; Ann Arbor, MI; Cleveland, OH. Rank 329th of 688 NUCC specialties by headcount.
How does Sleep Medicine (Psychiatry & Neurology) Physician show up in Open Payments mid-pack?
CMS Open Payments 2024 lists 278 Sleep Medicine (Psychiatry & Neurology) Physician physicians receiving $1.5M across 6,259 payments (average $6K; 76th of 470 specialties). Not a quality score.
How much Part D prescribing does this specialty do?
Among Sleep Medicine (Psychiatry & Neurology) Physician NPIs, 377 appear in the Medicare Part D Prescriber PUF (average 655 claims and $254K drug cost per prescriber; 143rd of 496 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 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.