Karen J. Suskiewicz, MD

Medicare activity in 2024

Official CMS public-use data for Karen J. Suskiewicz, 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)160 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)145 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)142 services
4. Administration of influenza virus vaccine (G0008)42 services
5. Influenza vaccine, inactivated (90653)41 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 cholesterol70%
• High blood pressure51%
• Arthritis33%
• Osteoporosis20%
• Diabetes14%
• Ischemic heart disease14%

Hospitals where Karen J. Suskiewicz works

Medicare's Facility Affiliation Data lists Karen J. Suskiewicz 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.

• El Camino HealthMountain View, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050308
• Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441

Practice locations

Addresses where Karen J. Suskiewicz is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

• 100 N Milpitas BlvdMilpitas, CA 95035 (800) 478‑8837
• 123 S San Mateo DrSan Mateo, CA 94401 (650) 343‑4200
• 301 Industrial RdSan Carlos, CA 94070
• 370 Distel CirLos Altos, CA 94022 (650) 254‑5200
• 701 E El Camino RealMountain View, CA 94040 (650) 691‑6174

Group practices

Medicare enrollment lists Karen J. Suskiewicz as a member of this group (CMS data updated October 2, 2026).

• Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Milpitas

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

• Albert Y. Wang, MD
• Sherene C. Nagarajah, MD
• Simranjit Kaur, MD
• Michael H. Le, MD
• Kushal Chhabra, MD
• Kavitha Chidambaram, MD
• Jacqueline A. Jayan, MD
• Jennifer E. Yoo, MD

All internal medicine doctors in Milpitas →

Other clinicians in Sutter Bay Medical Foundation

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

• Ivette Ramos Silva, MD
• Kim Benson, MD
• Attia S. Kadri, MD
• Edward S. Moon, MD
• John L. Fust, MD
• Jacqueline E. Summers Stromberg, 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