Maureen R. Lannan, MD

Medicare activity in 2024

Official CMS public-use data for Maureen R. Lannan, 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.

Most frequent services

1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)586 services
2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)578 services
3. Injection of drug or substance under skin or into muscle (96372)313 services
4. Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (J0702)272 services
5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)260 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%
• Arthritis41%
• Depression34%
• Diabetes32%
• Chronic kidney disease28%

Hospitals where Maureen R. Lannan works

Medicare's Facility Affiliation Data lists Maureen R. Lannan 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 Ochsner St Patrick HospitalLake Charles, LA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 190027
• West Calcasieu Cameron HospitalSulphur, LA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 190013

Practice locations

Addresses where Maureen R. Lannan is enrolled with Medicare (CMS data updated October 2, 2026).

• 622 Cypress StSulphur, LA 70663 (337) 527‑2491

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Louisiana →

Other family doctors in Sulphur

Clinicians with the same Medicare primary specialty in Sulphur, LA — not a recommendation.

• Jose Gonzales
• Ashley J. Mullins, MD
• Kenneth L. Thomas, MD
• Andrew T. Davies, MD
• Brian L. Gamborg, MD
• Amy S. Thompson Soileau, MD
• Jason B. Fuqua, MD
• Brian W. Stewart, MD

All family doctors in Sulphur →

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians