Michelle D'Alessandro, MD
NPI 1225607930 · Internal Medicine Physician · Saint Louis, MO
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle D'Alessandro, MD is a Internal Medicine Physician provider in Saint Louis, MO (NPI 1225607930).
Provider details
- NPI number
- 1225607930
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2021021800 (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
5 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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 51 | 13 |
| Fluticasone Propionate | 42 | 11 |
| Amlodipine Besylate | 31 | 13 |
| Duloxetine Hcl | 31 | — |
| Famotidine | 27 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 26 | — |
| Carvedilol | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-06-18
- Last updated
- 2021-06-18
- Certified
- 2021-06-18
Frequently asked questions
- What is Michelle D'Alessandro's NPI number?
- Michelle D'Alessandro's National Provider Identifier (NPI) is 1225607930, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle D'Alessandro's specialty?
- Michelle D'Alessandro is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michelle D'Alessandro located?
- Michelle D'Alessandro's practice location on file with NPPES is 1 Barnes Jew Hosp Plz, Saint Louis, MO 63110-1003.
- What is Michelle D'Alessandro's phone number?
- The practice phone number listed in the NPPES registry for Michelle D'Alessandro is (314) 362-5000.
- Does Michelle D'Alessandro accept Medicare?
- Michelle D'Alessandro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle D'Alessandro's NPI active?
- Yes — Michelle D'Alessandro's NPI (1225607930) is active in the NPPES registry as of the last update on 2021-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.