Marcel A. Bas Aguilar, MD

Medicare activity in 2024

Official CMS public-use data for Marcel A. Bas Aguilar, 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. Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (J0702)4,552 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,091 services
3. Injection into tendon or ligament (20550)764 services
4. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)693 services
5. Aspiration and/or injection of fluid from small joint (20600)490 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%
• Arthritis75%
• Diabetes38%
• Ischemic heart disease37%
• Anxiety28%

Hospitals where Marcel A. Bas Aguilar works

Medicare's Facility Affiliation Data lists Marcel A. Bas Aguilar 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.

• Ns/Lij HS Southside HospitalBay Shore, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330043

Practice locations

Addresses where Marcel A. Bas Aguilar is enrolled with Medicare (CMS data updated October 2, 2026).

• 46 Brentwood RdBay Shore, NY 11706 (631) 587‑1800

Group practices

Medicare enrollment lists Marcel A. Bas Aguilar as a member of this group (CMS data updated October 2, 2026).

• North Shore-Lij Medical PC6,440 clinicians in the group

Specialties

• Orthopedic Surgeryprimary

Find other Orthopedic Surgery doctors in New York →

Other orthopedic surgeons in Bay Shore

Clinicians with the same Medicare primary specialty in Bay Shore, NY — not a recommendation.

• Nicholas Yohe, MD
• John W. Acampa, MD
• Brandon Klein, DO
• John A. Saugy, MD

All orthopedic surgeons in Bay Shore →

Other clinicians in North Shore-Lij Medical PC

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

• Ellen A. Buck
• Jenifer P. Lasman, MD
• Shannan Massry, PA
• Divya M. Roy, DO
• Jessica Lo, OD
• Mohammad Anwar, 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