Quick answers
- Does Lauren A. Zatarain accept Medicare assignment?
- Yes. Medicare's clinician data says Lauren A. Zatarain 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 Lauren A. Zatarain see?
- In 2024, CMS data shows 267 Original Medicare patients and 55,075 services for Lauren A. Zatarain. This counts Original Medicare only and measures volume, not quality.
- What is Lauren A. Zatarain's NPI number?
- 1194916650. 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 Lauren A. Zatarain, 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 | 267 |
|---|---|
| Services billed to Medicare | 55,075 |
| Different services or procedures | 101 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)1,062 services
- Injection, ondansetron hydrochloride, per 1 mg (J2405)472 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)338 services
- Injection of additional new drug or substance into vein (96375)290 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)243 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)71%
- High cholesterol69%
- Arthritis46%
- Anxiety30%
- Diabetes28%
Hospitals where Lauren A. Zatarain works
Medicare's Facility Affiliation Data lists Lauren A. Zatarain 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
- Fmol Health | Our Lady of the LakeBaton Rouge, LA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 190064
- Womans HospitalBaton Rouge, LA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 190128
Practice locations
Addresses where Lauren A. Zatarain is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 3516 N Blvd, Suite BAlexandria, LA 71301 (318) 239‑4860
- 3983 I 49 S Service RdOpelousas, LA 70570 (337) 948‑5168
- 4950 Essen LnBaton Rouge, LA 70809 (225) 767‑0847
- 4950 Essen Ln, Suite 200Baton Rouge, LA 70809
- 4950 Essen Ln, Suite 500Baton Rouge, LA 70809 (225) 767‑0847
Group practices
Medicare enrollment lists Lauren A. Zatarain as a member of this group (CMS data updated October 2, 2026).
- Mary Bird Perkins Cancer Center100 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Alexandria
Clinicians with the same Medicare primary specialty in Alexandria, LA — not a recommendation.
Other clinicians in Mary Bird Perkins Cancer Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1194916650 |
| 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