Karla J. Spika, MD

Medicare activity in 2024

Official CMS public-use data for Karla J. Spika, 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. Insertion of needle into vein for collection of blood sample (36415)86 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)78 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)53 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)18 services
5. Administration of influenza virus vaccine (G0008)16 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 cholesterol64%
• High blood pressure56%
• Arthritis41%
• Chronic kidney disease27%
• Anxiety25%
• Diabetes23%

Hospitals where Karla J. Spika works

Medicare's Facility Affiliation Data lists Karla J. Spika 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.

• St Marys Hospital Medical CenterGreen Bay, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520097
• St Vincent HospitalGreen Bay, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520075

Practice locations

Addresses where Karla J. Spika is enrolled with Medicare (CMS data updated October 2, 2026).

• 1686 Eisenhower RdDe Pere, WI 54115 (920) 496‑4700

Group practices

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

• St Vincent Hospital-Hospital Sisters-Third Order of St Francis603 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Wisconsin →

Other family doctors in De Pere

Clinicians with the same Medicare primary specialty in De Pere, WI — not a recommendation.

• Steven Asma, MD
• Katherine T. Nimke, MD
• Long Nguyen, MD
• Tracy L. Gallagher, MD
• Clint Olson, MD
• Bradley Wozney, MD
• Janeen M. Hudzinski, MD
• Ann M. Zellner, MD

All family doctors in De Pere →

Other clinicians in St Vincent Hospital-Hospital Sisters-Third Order of St Francis

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

• John D. Hutto
• Stephanie A. Julius
• Jeremy D. Metzler, MD
• Brittney Lemon, DO
• Tara L. Benson
• Heather L. Lensmire

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