Delene Musielak, M.D.
NPI 1033348057 · Internal Medicine Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Delene Musielak, M.D. is a Internal Medicine Physician provider in Saint Louis, MO (NPI 1033348057).
Provider details
- NPI number
- 1033348057
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 46271 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
16 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- 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 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 90 | 30 |
| Amlodipine Besylate | 62 | 25 |
| Lisinopril | 45 | 15 |
| Metformin Hcl | 33 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 31 | — |
| Hydrochlorothiazide | 31 | — |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$184 across 11 records (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
Additional practice locations (1)
- 11550 Olive Blvd Ste 120Creve Coeur, MO 63141-7111Phone: (314) 523-2590Fax: (314) 523-2592
Registry dates
- Enumerated
- 2009-07-12
- Last updated
- 2023-02-17
- Certified
- 2023-02-17
Frequently asked questions
- What is Delene Musielak's NPI number?
- Delene Musielak's National Provider Identifier (NPI) is 1033348057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Delene Musielak's specialty?
- Delene Musielak is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Delene Musielak located?
- Delene Musielak's practice location on file with NPPES is 8857b Ladue Rd, Saint Louis, MO 63124-2058.
- What is Delene Musielak's phone number?
- The practice phone number listed in the NPPES registry for Delene Musielak is (314) 682-3626.
- Does Delene Musielak accept Medicare?
- Delene Musielak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Delene Musielak's NPI active?
- Yes — Delene Musielak's NPI (1033348057) is active in the NPPES registry as of the last update on 2023-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.