Quick answers
- Does Steven W. Mamus accept Medicare assignment?
- Yes. Medicare's clinician data says Steven W. Mamus 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 Steven W. Mamus see?
- In 2024, CMS data shows 625 Original Medicare patients and 235,792 services for Steven W. Mamus. This counts Original Medicare only and measures volume, not quality.
- What is Steven W. Mamus's NPI number?
- 1730178658. 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 Steven W. Mamus, 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 | 625 |
|---|---|
| Services billed to Medicare | 235,792 |
| Different services or procedures | 124 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Injection, ferric carboxymaltose, 1 mg (J1439)55,500 services
- Injection, denosumab, 1 mg (J0897)15,420 services
- Injection, pembrolizumab, 1 mg (J9271)14,600 services
- Injection, cetirizine hydrochloride, 0.5 mg (J1201)5,040 services
- Injection, bevacizumab-maly, biosimilar, (alymsys), 10 mg (Q5126)5,030 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%
- Arthritis54%
- Ischemic heart disease42%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)40%
- Diabetes29%
Hospitals where Steven W. Mamus works
Medicare's Facility Affiliation Data lists Steven W. Mamus 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.
- Sarasota Memorial HospitalSarasota, FL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 100087
- Sarasota Memorial Hospital - VeniceNorth Venice, FL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 100359
Practice locations
Addresses where Steven W. Mamus is enrolled with Medicare (CMS data updated October 2, 2026).
- 3830 Bee Ridge Rd, Suite 301Sarasota, FL 34233 (941) 923‑1872
Group practices
Medicare enrollment lists Steven W. Mamus as a member of this group (CMS data updated October 2, 2026).
- Florida Medical Specialists LLC123 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Sarasota
Clinicians with the same Medicare primary specialty in Sarasota, FL — not a recommendation.
Other clinicians in Florida Medical Specialists LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of Ny Upstate Medical University |
| Graduation year | 1980 (46 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1730178658 |
| 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