Delene Prenita Musielak, M.D.
Internal Medicine Physician · Saint Louis, MO
Delene Prenita Musielak, M.D. is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1033348057, issued on Jul 12, 2009. Check the license (Missouri 2019012317, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Delene Prenita Musielak
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 2019012317 MO
46271 KY
Self-reported in NPPES; status is on the state search - Practice location
- 8857B Ladue RD, Saint Louis, MO 63124
- Phone
- (314) 682-3626
- Enumerated
- Jul 12, 2009
- Record last updated
- Feb 17, 2023
- Fax
- (314) 590-5954
- Medicaid ID
- 003159470A GA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 8857B Ladue RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Terri Carron, MDInternal Medicine Physician1881636439
Verify Delene Prenita Musielak 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 2019012317Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average internal medicine physician in 2024
930 Medicare Part D claims for 117 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Atorvastatin Calcium90 claims
- Amlodipine Besylate62 claims
- Lisinopril45 claims
- Metformin Hcl33 claims
- Albuterol Sulfate Hfa31 claims
- Hydrochlorothiazide31 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.
Industry payments in 2024: $184.08
11 payments; by number, the most common kind was food and beverage; the largest payer was Currax Pharmaceuticals LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Delene Prenita Musielak among 2,604 internal medicine physician records in Missouri
Delene Prenita Musielak, M.D. is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 50% of them.
- NPI issued2009 · 50% of these records are older, 48% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2023 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
941 internal medicine physician records list a practice address in Saint Louis
They are 941 of the 27,605 NPPES records with a practice address in Saint Louis, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Saint Louis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Terri Carron, MDSaint Louis, MO 631241881636439
- Rochelle Cox, M.D.Saint Louis, MO 631241861441354
- Benjamin Goldstein, MDSaint Louis, MO 631241811919228
- Ehab Kaiser, M.D.Saint Louis, MO 631241205804796
- Carl Lyss, MDSaint Louis, MO 631241669452496
- Lauren Munsch Dal Farra, M.D.Saint Louis, MO 631241447452867
- Rajiv Patel, M.D.Saint Louis, MO 631241588604573
- Desirai Rogan, MDSaint Louis, MO 631241982085759
Common questions
What is Delene Prenita Musielak, M.D.'s NPI number?
Delene Prenita Musielak, M.D.'s National Provider Identifier (NPI) is 1033348057, issued on Jul 12, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Delene Prenita Musielak, M.D. located?
The NPPES record lists a practice address at 8857B Ladue RD, Saint Louis, MO, 63124. Phone: (314) 682-3626. Providers update this record themselves, so call before visiting.
How can I verify Delene Prenita Musielak, M.D.'s license?
NPPES lists Missouri license number 2019012317, 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 Delene Prenita Musielak, M.D. prescribe under Medicare Part D?
In 2024, Delene Prenita Musielak, M.D. had 930 Medicare Part D claims for 117 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.