Quick answers
- Does Gregory R. Galakatos accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory R. Galakatos 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 Gregory R. Galakatos see?
- In 2024, CMS data shows 664 Original Medicare patients and 37,392 services for Gregory R. Galakatos. This counts Original Medicare only and measures volume, not quality.
- What is Gregory R. Galakatos's NPI number?
- 1104868058. 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 Gregory R. Galakatos, 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 | 664 |
|---|---|
| Services billed to Medicare | 37,392 |
| Different services or procedures | 76 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)26,603 services
- Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg (J7325)6,864 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,130 services
- Aspiration and/or injection of fluid from large joint (20610)789 services
- X-ray of knee, 4 or more views (73564)364 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%
- Arthritis75%
- Anxiety29%
- Chronic kidney disease29%
- Ischemic heart disease26%
Hospitals where Gregory R. Galakatos works
Medicare's Facility Affiliation Data lists Gregory R. Galakatos 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.
- Barnes-Jewish West County HospitalCreve Coeur, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260162
- Mercy Hospital SouthSaint Louis, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260077
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260020
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 260108
- St Lukes HospitalChesterfield, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260179
Practice locations
Addresses where Gregory R. Galakatos is enrolled with Medicare (CMS data updated October 2, 2026).
- 1102 Sikes AveSikeston, MO 63801
- 15425 Manchester Rd, Suite 28Ballwin, MO 63011 (636) 220‑6969
- 621 S New Ballas Rd, Suite 3005bSaint Louis, MO 63141 (314) 567‑5850
- 851 E 5th St, Suite 108Washington, MO 63090 (636) 861‑7870
- 9594 Manchester RdSaint Louis, MO 63119 (314) 274‑6314
Group practices
Medicare enrollment lists Gregory R. Galakatos as a member of these groups (CMS data updated October 2, 2026).
- Mercy Clinic Surgical Specialists LLC182 clinicians in the group
- Health Facilities Rehab Services Inc154 clinicians in the group
- Physical Therapy Spine and Sports Medicine LLC129 clinicians in the group
- Arnold Physical Therapy and Sports Medicine LLC83 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Sikeston
Clinicians with the same Medicare primary specialty in Sikeston, MO — not a recommendation.
Other clinicians in Mercy Clinic Surgical Specialists LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Washington University School Of Medicine |
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104868058 |
| 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