Michael Schoenwalder, D.O.
NPI 1588631238 · Internal Medicine Physician · Ballwin, MO
Michael Schoenwalder, D.O. is a Internal Medicine Physician provider in Ballwin, MO (NPI 1588631238).
Provider details
- NPI number
- 1588631238
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 2003014482 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 100 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Liothyronine Sodium | 208 | 58 |
| Losartan Potassium | 187 | 48 |
| Alprazolam | 166 | 34 |
| Levothyroxine Sodium | 145 | 40 |
| Tirzepatidebrand: Mounjaro | 134 | 22 |
| Amlodipine Besylate | 129 | 36 |
| Semaglutide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-01
- Last updated
- 2011-05-13
Frequently asked questions
- What is Michael Schoenwalder's NPI number?
- Michael Schoenwalder's National Provider Identifier (NPI) is 1588631238, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Schoenwalder's specialty?
- Michael Schoenwalder is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Schoenwalder located?
- Michael Schoenwalder's practice location on file with NPPES is 15945 Clayton Rd, Ballwin, MO 63011-2490.
- What is Michael Schoenwalder's phone number?
- The practice phone number listed in the NPPES registry for Michael Schoenwalder is (636) 256-5350.
- Is Michael Schoenwalder's NPI active?
- Yes — Michael Schoenwalder's NPI (1588631238) is active in the NPPES registry as of the last update on 2011-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.