Amanthi Chandrasena, MD

Medicare activity in 2024

Official CMS public-use data for Amanthi Chandrasena, 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)366 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)274 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)160 services
4. 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)76 services
5. Administration of influenza virus vaccine (G0008)54 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%
• Arthritis51%
• Chronic kidney disease31%
• Depression30%
• Anxiety26%

Hospitals where Amanthi Chandrasena works

Medicare's Facility Affiliation Data lists Amanthi Chandrasena 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.

• French Hospital Medical CenterSan Luis Obispo, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050232
• Marian Regional Medical CenterSanta Maria, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050107

Practice locations

Addresses where Amanthi Chandrasena is enrolled with Medicare (CMS data updated October 2, 2026).

• 931 Oak Park Blvd, Suite 101Pismo Beach, CA 93449 (805) 474‑2600

Group practices

Medicare enrollment lists Amanthi Chandrasena as a member of this group (CMS data updated October 2, 2026).

• Arroyo Medical Group, Inc4 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in California →

Other family doctors in Pismo Beach

Clinicians with the same Medicare primary specialty in Pismo Beach, CA — not a recommendation.

• Wendy E. Weiss, DO
• David Ruiz, MD
• Sara A. Moorehouse, DO
• Cary J. Fitchmun, MD

All family doctors in Pismo Beach →

Other clinicians in Arroyo Medical Group, Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• David Ruiz, MD
• Megan Malzone, MD
• Cary J. Fitchmun, MD

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