Leonidas Theodoro, MD
Psychiatry Physician · Saint Louis, MO
Leonidas Theodoro, MD is a psychiatry physician with a practice address in Saint Louis, Missouri, and NPI 1366566408, issued on Mar 16, 2007. Check the license (Missouri R4130, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Leonidas Theodoro
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- R4130 MO
30764 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 9 Ladue Estates, Saint Louis, MO 63141
- Phone
- (314) 432-1805
- Enumerated
- Mar 16, 2007
- Record last updated
- Aug 10, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 965 in Missouri → Look up another NPI →
Verify Leonidas Theodoro 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 R4130Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average psychiatry physician in 2024
25 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
Leonidas Theodoro among 965 psychiatry physician records in Missouri
Leonidas Theodoro, 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 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 49% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 49% of these records are
- Record last updated2017 · 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 Saint Louis → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Vadim Baram, MDSaint Louis, MO 631411124007380
- Neil Brickel, M.D.Saint Louis, MO 631411396716981
- Afaf El-Mashhady, M.D.Saint Louis, MO 631411679571533
- Asif Habib, MDSaint Louis, MO 631411124000104
- Duane Hagen, M.D.Saint Louis, MO 631411285605873
- Saad Khan, M.D.Creve Coeur, MO 631411093707218
- David Krojanker, M.D.Saint Louis, MO 631411114900867
- Mohd Malik, M.D.Saint Louis, MO 631411942208715
Common questions
What is Leonidas Theodoro, MD's NPI number?
Leonidas Theodoro, MD's National Provider Identifier (NPI) is 1366566408, issued on Mar 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Leonidas Theodoro, MD located?
The NPPES record lists a practice address at 9 Ladue Estates, Saint Louis, MO, 63141. Phone: (314) 432-1805. Providers update this record themselves, so call before visiting.
How can I verify Leonidas Theodoro, MD's license?
NPPES lists Missouri license number R4130, 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 Leonidas Theodoro, MD prescribe under Medicare Part D?
In 2024, Leonidas Theodoro, MD had 25 Medicare Part D claims; 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.