Quick answers
- Does Allan S. Matriano-Lim accept Medicare assignment?
- Yes. Medicare's clinician data says Allan S. Matriano-Lim 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 Allan S. Matriano-Lim see?
- In 2024, CMS data shows 432 Original Medicare patients and 4,472 services for Allan S. Matriano-Lim. This counts Original Medicare only and measures volume, not quality.
- What is Allan S. Matriano-Lim's NPI number?
- 1649268590. 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 Allan S. Matriano-Lim, 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 | 432 |
|---|---|
| Services billed to Medicare | 4,472 |
| Different services or procedures | 21 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)3,102 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)660 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)199 services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)164 services
- Hospital discharge day management, more than 30 minutes (99239)140 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%
- Arthritis61%
- Diabetes51%
- Chronic kidney disease46%
- Ischemic heart disease45%
Hospitals where Allan S. Matriano-Lim works
Medicare's Facility Affiliation Data lists Allan S. Matriano-Lim 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
- Ochsner LSU Health MonroeMonroe, LA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 190011
- Ochsner LSU Health ShreveportShreveport, LA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 190098
- Ochsner LSU Health Shreveport - St. Mary Medical CenterShreveport, LA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 190317
- 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 Allan S. Matriano-Lim is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 1451 Fern CirShreveport, LA 71105 (318) 588‑0880
- 1541 Kings HwyShreveport, LA 71103 (318) 588‑0880
- 1606 Kings HwyShreveport, LA 71103 (318) 675‑6402
- 1800 Irving PlShreveport, LA 71101 (318) 588‑0880
- 2550 Kings Hwy, Fl 10Shreveport, LA 71103 (318) 588‑0880
Group practices
Medicare enrollment lists Allan S. Matriano-Lim as a member of this group (CMS data updated October 2, 2026).
- LSU Health Sciences Center Shreveport Faculty Group Practice571 clinicians in the group
Specialties
- Internal Medicineprimary
- Pediatric Medicinealso
Other internal medicine doctors in Shreveport
Clinicians with the same Medicare primary specialty in Shreveport, LA — not a recommendation.
Other clinicians in LSU Health Sciences Center Shreveport Faculty Group Practice
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 Shreveport |
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1649268590 |
| 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