Leonidas Theodoro, MD
NPI 1366566408 · Psychiatry Physician · Saint Louis, MO
Leonidas Theodoro, MD is a Psychiatry Physician provider in Saint Louis, MO (NPI 1366566408).
Provider details
- NPI number
- 1366566408
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- R4130 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-16
- Last updated
- 2017-08-10
Frequently asked questions
- What is Leonidas Theodoro's NPI number?
- Leonidas Theodoro's National Provider Identifier (NPI) is 1366566408, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonidas Theodoro's specialty?
- Leonidas Theodoro is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Leonidas Theodoro located?
- Leonidas Theodoro's practice location on file with NPPES is 9 Ladue Estates, Saint Louis, MO 63141.
- What is Leonidas Theodoro's phone number?
- The practice phone number listed in the NPPES registry for Leonidas Theodoro is (314) 432-1805.
- Is Leonidas Theodoro's NPI active?
- Yes — Leonidas Theodoro's NPI (1366566408) is active in the NPPES registry as of the last update on 2017-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.