Mara Downing, MD
NPI 1003756461 · Student in an Organized Health Care Education/Training Program · O Fallon, IL
Mara Downing, MD is a Student in an Organized Health Care Education/Training Program provider in O Fallon, IL (NPI 1003756461).
Provider details
- NPI number
- 1003756461
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
- 2026-03-28
- Last updated
- 2026-03-28
- Certified
- 2026-03-28
Frequently asked questions
- What is Mara Downing's NPI number?
- Mara Downing's National Provider Identifier (NPI) is 1003756461, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mara Downing's specialty?
- Mara Downing is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Mara Downing located?
- Mara Downing's practice location on file with NPPES is 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269-1284.
- What is Mara Downing's phone number?
- The practice phone number listed in the NPPES registry for Mara Downing is (618) 233-5480.
- Is Mara Downing's NPI active?
- Yes — Mara Downing's NPI (1003756461) is active in the NPPES registry as of the last update on 2026-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.