Dorsey William Dysart, MD
Psychiatry Physician · Ballwin, MO
Dorsey William Dysart, MD is a psychiatry physician with a practice address in Ballwin, Missouri, and NPI 1447326756, issued on Nov 28, 2006. Check the license (Missouri R6D13 15424, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Dorsey William Dysart
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- R6D13 15424 MO
R6D13 MO
R6D13 20526 MO
Self-reported in NPPES; status is on the state search - Practice location
- 800 Holland RD, Ballwin, MO 63021
- Phone
- (636) 386-6611
- Enumerated
- Nov 28, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (636) 386-6622
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 965 in Missouri → Look up another NPI →
Also registered at 800 Holland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Theresa Chesnut, LCSWMental Health Counselor1972752541
- Lori Galperin, M.S.W., L.C.S.W.Clinical Social Worker1922283746
- Mark Schwartz, PSYCHOLOGIST DOCTORPsychologist1336255140
Verify Dorsey William Dysart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R6D13 15424Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average psychiatry physician in 2024
434 Medicare Part D claims for 15 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Gabapentin79 claims
- Methylphenidate Hcl58 claims
- Amitriptyline Hcl39 claims
- Buprenorphine Hcl36 claims
- Fluoxetine Hcl31 claims
- Trazodone Hcl29 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Dorsey William Dysart among 965 psychiatry physician records in Missouri
Dorsey William Dysart, MD is one of 965 psychiatry physician records with a practice address in Missouri. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 60% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 49% of these records are
- Record last updated2025 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Missouri
There are 965 psychiatry physician records in Missouri.
All 965 in Missouri → Every provider in Ballwin → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Savita Bhat, M.D.Chesterfield, MO 630171184734667
- Katherine Buchowski, M.D.Chesterfield, MO 630171144246380
- Imran Chishti, M.D.Chesterfield, MO 630171740220557
- Sunil Gangwani, M.D.Chesterfield, MO 630171902004203
- Julian Habdank-Kolaczkowski, MD, APChesterfield, MO 630171184316333
- Ashley Harvin, MDChesterfield, MO 630171659725067
- Thomas Horn, D.O.Chesterfield, MO 630171841516598
- Jyothi Mandava, M.D.Chesterfield, MO 630171891809539
Common questions
What is Dorsey William Dysart, MD's NPI number?
Dorsey William Dysart, MD's National Provider Identifier (NPI) is 1447326756, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dorsey William Dysart, MD located?
The NPPES record lists a practice address at 800 Holland RD, Ballwin, MO, 63021. Phone: (636) 386-6611. Providers update this record themselves, so call before visiting.
How can I verify Dorsey William Dysart, MD's license?
NPPES lists Missouri license number R6D13 15424, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dorsey William Dysart, MD prescribe under Medicare Part D?
In 2024, Dorsey William Dysart, MD had 434 Medicare Part D claims for 15 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
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.