Quick answers
- Does Jack A. Tertadian accept Medicare assignment?
- Yes. Medicare's clinician data says Jack A. Tertadian accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Jack A. Tertadian see?
- In 2024, CMS data shows 140 Original Medicare patients and 622 services for Jack A. Tertadian. This counts Original Medicare only and measures volume, not quality.
- What is Jack A. Tertadian's NPI number?
- 1689780462. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Jack A. Tertadian, 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.
| Original Medicare patients | 140 |
|---|---|
| Services billed to Medicare | 622 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)139 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)110 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)89 services
- Insertion of needle into vein for collection of blood sample (36415)56 services
- Anticoagulant management of patient taking warfarin (93793)36 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%
- Arthritis62%
- Chronic kidney disease36%
- Diabetes31%
- Ischemic heart disease31%
Hospitals where Jack A. Tertadian works
Medicare's Facility Affiliation Data lists Jack A. Tertadian 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.
- Aurora St Lukes Medical CenterMilwaukee, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520138
- West Allis Memorial HospitalWest Allis, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520139
Practice locations
Addresses where Jack A. Tertadian is enrolled with Medicare (CMS data updated October 2, 2026).
- 2000 E Layton AveSaint Francis, WI 53235 (414) 744‑6589
- 5900 S Lake DrCudahy, WI 53110 (414) 489‑4190
- 5900 S Lake Dr, Fl 2Cudahy, WI 53110 (414) 489‑4522
- 7200 Washington Ave, Suite 103Mount Pleasant, WI 53406 (262) 583‑0790
Group practices
Medicare enrollment lists Jack A. Tertadian as a member of these groups (CMS data updated October 2, 2026).
- Lakeshore Medical Clinic LLC379 clinicians in the group
- Advantage Physical Therapy and Sports Rehab, LLC294 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Saint Francis
Clinicians with the same Medicare primary specialty in Saint Francis, WI — not a recommendation.
Other clinicians in Lakeshore Medical Clinic LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689780462 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians