Maggie Jo Billadeau, DO
Hospitalist Physician · Saint Louis, MO
Maggie Jo Billadeau, DO is a hospitalist physician with a practice address in Saint Louis, Missouri, and NPI 1023767969, issued on Mar 19, 2022. Check the license (Missouri 2022022402, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Maggie Jo Billadeau
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 2022022402 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1201 S Grand Blvd, Saint Louis, MO 63104
- Phone
- (314) 257-8000
- Enumerated
- Mar 19, 2022
- Record last updated
- Mar 7, 2025
- Fax
- (314) 977-1664
- Medicare enrollment
- Enrolled (PECOS I20250602002141); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2022
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 930 in Missouri → Look up another NPI →
Also registered at 1201 S Grand Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Maggie Jo Billadeau 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 2022022402Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average hospitalist physician in 2024
372 Medicare Part D claims for 65 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium41 claims
- Amlodipine Besylate28 claims
- Lisinopril17 claims
- Carvedilol16 claims
- Losartan Potassium14 claims
- Jardiance13 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
- Ssm Health Care GroupSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maggie Jo Billadeau among 930 hospitalist physician records in Missouri
Maggie Jo Billadeau, DO is one of 930 hospitalist physician records with a practice address in Missouri. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 89% of them.
- NPI issued2022 · 89% of these records are older, 4% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2022 · median 2014 among the 715 with a school on file
- Record last updated2025 · 25% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
419 hospitalist physician records list a practice address in Saint Louis
They are 419 of the 27,605 NPPES records with a practice address in Saint Louis, and 930 hospitalist physician records in Missouri.
All 930 in Missouri → Every provider in Saint Louis → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Cory CheathamSaint Louis, MO 631041700128949
- Jabon Ellis, D.O.Saint Louis, MO 631041023371333
- Adam Fritz, M.D.Saint Louis, MO 631041154731107
- Deborah Goldberg, M.D.Saint Louis, MO 631041326338849
- Mohamed Halane, M.DSaint Louis, MO 631041639306442
- Takaaki Ishiyama, M.D.Saint Louis, MO 631041386865822
- Mohammad Malik, M.DSaint Louis, MO 631041144431925
- Christina Mannix, MDSaint Louis, MO 631041184727984
Common questions
What is Maggie Jo Billadeau, DO's NPI number?
Maggie Jo Billadeau, DO's National Provider Identifier (NPI) is 1023767969, issued on Mar 19, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Maggie Jo Billadeau, DO located?
The NPPES record lists a practice address at 1201 S Grand Blvd, Saint Louis, MO, 63104. Phone: (314) 257-8000. Providers update this record themselves, so call before visiting.
How can I verify Maggie Jo Billadeau, DO's license?
NPPES lists Missouri license number 2022022402, 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 Maggie Jo Billadeau, DO prescribe under Medicare Part D?
In 2024, Maggie Jo Billadeau, DO had 372 Medicare Part D claims for 65 beneficiaries; the average among hospitalist physician prescribers was 521. 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.