Mary Clare Elizabeth Weiss, DO
Psychiatry Physician · Saint Louis, MO
Mary Clare Elizabeth Weiss, DO is a psychiatry physician with a practice address in Saint Louis, Missouri, and NPI 1447810148, issued on Jun 17, 2019. Check the license (Missouri 2019021250, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Mary Clare Elizabeth Weiss
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 2019021250 MO
Self-reported in NPPES; status is on the state search - Practice location
- 816 S Kirkwood RD Ste 105, Saint Louis, MO 63122
- Phone
- (314) 288-3800
- Enumerated
- Jun 17, 2019
- Record last updated
- Jun 5, 2023
- Medicare enrollment
- Enrolled (PECOS I20230703002919); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2019
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 965 in Missouri → Look up another NPI →
Verify Mary Clare Elizabeth Weiss 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 2019021250Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatry physician in 2024
21 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Bills Medicare through one group practice
- Psychological And Behavioral Consultants LLCKirkwood, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Clare Elizabeth Weiss among 965 psychiatry physician records in Missouri
Mary Clare Elizabeth Weiss, DO 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 2019, is newer than 80% of them.
- NPI issued2019 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2019 · median 2003 among the 474 with a school on file
- Record last updated2023 · 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
- Lauren Flynn, M.D.Saint Louis, MO 631221003017401
- Shaheen Mansoor, M.D.Saint Louis, MO 631221003017369
- Sudarshan Suneja, M.D.Kirkwood, MO 631221659478840
- Tianyuan Cornell, MDSaint Louis, MO 631231942644349
- Denise Curry, M.D.Saint Louis, MO 631231891786406
- Richard Gestring, M.D.Saint Louis, MO 631231043530728
- Michael Stotler, MDSaint Louis, MO 631231578613014
- Eileen Wu-Evans, M.D.Saint Louis, MO 631231881741825
Common questions
What is Mary Clare Elizabeth Weiss, DO's NPI number?
Mary Clare Elizabeth Weiss, DO's National Provider Identifier (NPI) is 1447810148, issued on Jun 17, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Mary Clare Elizabeth Weiss, DO located?
The NPPES record lists a practice address at 816 S Kirkwood RD Ste 105, Saint Louis, MO, 63122. Phone: (314) 288-3800. Providers update this record themselves, so call before visiting.
How can I verify Mary Clare Elizabeth Weiss, DO's license?
NPPES lists Missouri license number 2019021250, 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 Mary Clare Elizabeth Weiss, DO prescribe under Medicare Part D?
In 2024, Mary Clare Elizabeth Weiss, DO had 21 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.