Quick answers
- Does Michael J. Castine Iii accept Medicare assignment?
- Yes. Medicare's clinician data says Michael J. Castine Iii 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 Michael J. Castine Iii see?
- In 2024, CMS data shows 577 Original Medicare patients and 204,500 services for Michael J. Castine Iii. This counts Original Medicare only and measures volume, not quality.
- What is Michael J. Castine Iii's NPI number?
- 1205814092. 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 Michael J. Castine Iii, 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 | 577 |
|---|---|
| Services billed to Medicare | 204,500 |
| Different services or procedures | 124 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, aprepitant, 1 mg (J0185)25,090 services
- Injection, oxaliplatin, 0.5 mg (J9263)16,400 services
- Injection, pembrolizumab, 1 mg (J9271)16,200 services
- Injection, paclitaxel, 1 mg (J9267)10,502 services
- Injection, ferric derisomaltose, 10 mg (J1437)7,400 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%
- Arthritis49%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)42%
- Diabetes38%
- Ischemic heart disease33%
Hospitals where Michael J. Castine Iii works
Medicare's Facility Affiliation Data lists Michael J. Castine Iii 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.
- Baton Rouge General Medical CenterBaton Rouge, LA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 190065
- CHRISTUS St Frances Cabrini HospitalAlexandria, LA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 190019
- Lane Regional Medical CenterZachary, LA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 190020
- Rapides Regional Medical CenterAlexandria, LA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 190026
- West Feliciana Parish HospitalSaint Francisville, LA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 191306
Practice locations
Addresses where Michael J. Castine Iii is enrolled with Medicare (CMS data updated October 2, 2026).
- 605 Medical Ctr Dr, Suite BAlexandria, LA 71301 (225) 767‑0822
Group practices
Medicare enrollment lists Michael J. Castine Iii as a member of this group (CMS data updated October 2, 2026).
- American Oncology Partners PA391 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
Other hematologist-oncologists in Alexandria
Clinicians with the same Medicare primary specialty in Alexandria, LA — not a recommendation.
Other clinicians in American Oncology Partners PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In New Orleans |
| Graduation year | 1992 (34 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205814092 |
| 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