Quick answers
- Does Kostaki G. Bis accept Medicare assignment?
- Yes. Medicare's clinician data says Kostaki G. Bis 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 Kostaki G. Bis see?
- In 2024, CMS data shows 1,282 Original Medicare patients and 1,559 services for Kostaki G. Bis. This counts Original Medicare only and measures volume, not quality.
- What is Kostaki G. Bis's NPI number?
- 1063481521. 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 Kostaki G. Bis, 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 | 1,282 |
|---|---|
| Services billed to Medicare | 1,559 |
| Different services or procedures | 38 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Ct scan of abdomen and pelvis with contrast (74177)180 services
- Ct scan of chest without contrast (71250)176 services
- Limited ultrasound scan of abdomen (76705)158 services
- Complete ultrasound scan behind abdominal cavity (76770)156 services
- Ct scan of chest with contrast (71260)120 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%
- Arthritis53%
- Ischemic heart disease46%
- Chronic kidney disease40%
- Diabetes39%
Hospitals where Kostaki G. Bis works
Medicare's Facility Affiliation Data lists Kostaki G. Bis 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.
- Beaumont Hospital - Farmington HillsFarmington Hills, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230151
- Beaumont Hospital - Grosse PointeGrosse Pointe, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230089
- Beaumont Hospital Royal OakRoyal Oak, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230130
- Beaumont Hospital, TroyTroy, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230269
Practice locations
Addresses where Kostaki G. Bis is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.
- 28050 Grand River AveFarmington Hills, MI 48336
- 3555 W 13 Mile Rd, N120 Corewell Health William Beaumont UniveRoyal Oak, MI 48073 (248) 551‑1550
- 3577 W 13 Mile RdRoyal Oak, MI 48073
- 3581 W 13 Mile Rd Bcc, Beaumont Breast Care Center RoRoyal Oak, MI 48073 (248) 551‑3300
- 3601 W 13 Mile RdRoyal Oak, MI 48073
Group practices
Medicare enrollment lists Kostaki G. Bis as a member of this group (CMS data updated October 2, 2026).
- Beaumont Medical Group Hospital Based Services584 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Farmington Hills
Clinicians with the same Medicare primary specialty in Farmington Hills, MI — not a recommendation.
Other clinicians in Beaumont Medical Group Hospital Based Services
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063481521 |
| 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