Mary Clare Weiss, DO
NPI 1447810148 · Psychiatry Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Clare Weiss, DO is a Psychiatry Physician provider in Saint Louis, MO (NPI 1447810148).
Provider details
- NPI number
- 1447810148
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2019021250 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1 Hospital DrColumbia, MO 65212-1000Phone: (573) 882-8907Fax: (573) 884-1070
Registry dates
- Enumerated
- 2019-06-17
- Last updated
- 2023-06-05
- Certified
- 2023-06-05
Frequently asked questions
- What is Mary Clare Weiss's NPI number?
- Mary Clare Weiss's National Provider Identifier (NPI) is 1447810148, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Clare Weiss's specialty?
- Mary Clare Weiss is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Clare Weiss located?
- Mary Clare Weiss's practice location on file with NPPES is 816 S Kirkwood Rd Ste 105, Saint Louis, MO 63122-6056.
- What is Mary Clare Weiss's phone number?
- The practice phone number listed in the NPPES registry for Mary Clare Weiss is (314) 288-3800.
- Does Mary Clare Weiss accept Medicare?
- Mary Clare Weiss is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Clare Weiss's NPI active?
- Yes — Mary Clare Weiss's NPI (1447810148) is active in the NPPES registry as of the last update on 2023-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.