Maggie Billadeau, DO
NPI 1023767969 · Hospitalist Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maggie Billadeau, DO is a Hospitalist Physician provider in Saint Louis, MO (NPI 1023767969).
Provider details
- NPI number
- 1023767969
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 2022022402 (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
4 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 41 | 16 |
| Amlodipine Besylate | 28 | 13 |
| Lisinopril | 17 | — |
| Carvedilol | 16 | — |
| Losartan Potassium | 14 | — |
| Empagliflozinbrand: Jardiance | 13 | — |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-03-19
- Last updated
- 2025-03-07
- Certified
- 2025-03-07
Frequently asked questions
- What is Maggie Billadeau's NPI number?
- Maggie Billadeau's National Provider Identifier (NPI) is 1023767969, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maggie Billadeau's specialty?
- Maggie Billadeau is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Maggie Billadeau located?
- Maggie Billadeau's practice location on file with NPPES is 1201 S Grand Blvd, Saint Louis, MO 63104-1016.
- What is Maggie Billadeau's phone number?
- The practice phone number listed in the NPPES registry for Maggie Billadeau is (314) 257-8000.
- Does Maggie Billadeau accept Medicare?
- Maggie Billadeau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maggie Billadeau's NPI active?
- Yes — Maggie Billadeau's NPI (1023767969) is active in the NPPES registry as of the last update on 2025-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.