Quick answers
- Does Mary M. Mladenka Dowden accept Medicare assignment?
- Yes. Medicare's clinician data says Mary M. Mladenka Dowden accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Mary M. Mladenka Dowden see?
- In 2024, CMS data shows 114 Original Medicare patients and 223 services for Mary M. Mladenka Dowden. This counts Original Medicare only and measures volume, not quality.
- What is Mary M. Mladenka Dowden's NPI number?
- 1538488028. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Mary M. Mladenka Dowden, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 114 |
|---|---|
| Services billed to Medicare | 223 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Dialysis services, 2-3 physician visits per month (20 years or older) (90961)70 services
- Hemodialysis procedure with physician evaluation (90935)49 services
- Dialysis services, 1 physician visit per month (20 years or older) (90962)38 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease75%
- Diabetes74%
- Heart failure71%
- Ischemic heart disease61%
Hospitals where Mary M. Mladenka Dowden works
Medicare's Facility Affiliation Data lists Mary M. Mladenka Dowden at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- CHRISTUS Shreveport-Bossier Health SystemShreveport, LA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 190041
- Willis Knighton Medical Center, IncShreveport, LA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 190111
Practice locations
Addresses where Mary M. Mladenka Dowden is enrolled with Medicare (CMS data updated October 2, 2026).
- 1800 Buckner StShreveport, LA 71101 (318) 227‑8899
Group practices
Medicare enrollment lists Mary M. Mladenka Dowden as a member of this group (CMS data updated October 2, 2026).
- Northwest Louisiana Nephrology, LLC23 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Shreveport
Clinicians with the same Medicare primary specialty in Shreveport, LA — not a recommendation.
Other clinicians in Northwest Louisiana Nephrology, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538488028 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians