Karen L. Olivieri, PA

Medicare activity in 2024

Official CMS public-use data for Karen L. Olivieri, 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 low level od decision making, if using time, 20 minutes or more (99213)528 services
2. Insertion of needle into vein for collection of blood sample (36415)304 services
3. Urinalysis, manual test (81002)221 services
4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)170 services
5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)130 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 cholesterol75%
• High blood pressure72%
• Arthritis44%
• Ischemic heart disease27%
• Anxiety24%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)17%

Hospitals where Karen L. Olivieri works

Medicare's Facility Affiliation Data lists Karen L. Olivieri 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.

• North Shore University HospitalManhasset, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330106

Practice locations

Addresses where Karen L. Olivieri is enrolled with Medicare (CMS data updated October 2, 2026).

• 172 E Main StHuntington, NY 11743 (631) 385‑0022
• 325 Main StNorthport, NY 11768 (631) 385‑0022
• 70 Glen St, Suite 200Glen Cove, NY 11542 (516) 484‑7893

Group practices

Medicare enrollment lists Karen L. Olivieri as a member of these groups (CMS data updated October 2, 2026).

• North Shore Lij Medical Group at North Nassau, PC35 clinicians in the group
• Rajeswara Rao Patcha, MD, PC8 clinicians in the group

Specialties

• Physician Assistantprimary

Find other clinicians: Physician Assistant, New York →

Other physician assistants in Huntington

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

• Vincent Vizzo, PA
• Mahbubur Rashid, PA
• Olivia F. Downey, PA
• Rinku P. Prithiani, PA
• Sabrina Livoti
• Erik G. Walter, PA
• Austin T. Stack, PA
• Kimberly A. Prinzivalli, PA

All physician assistants in Huntington →

Other clinicians in North Shore Lij Medical Group at North Nassau, PC

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

• Ted Brezel, MD
• Jane S. Cho, MD
• John S. Sammis, DO
• Diana Y. Wee, MD
• John A. Varner, DO
• Christian Tabib, 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