Dr. Alexander Coltoff
Hematology & Oncology (Hematology & Oncology Physician)
- Medicare participating
At a glance
- Medical school
- State University of New York Downstate Medical Center (2016)
- Years since graduation
- 10
- In the NPI registry since
- 2016
- Medicare patients seen, 2024
- 247
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2016Medical school: State University of New York Downstate Medical Center
- 2016Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Hematology & Oncology Physician primary
SC license 87541 - Student in an Organized Health Care Education/Training Program
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Musc Medical Center Charleston, SC
- McLeod Regional Medical Center-Pee Dee Florence, SC
- Tidelands Waccamaw Community Hospital Murrells Inlet, SC
- Musc Health Florence Medical Center Florence, SC
- Tidelands Georgetown Memorial Hospital Georgetown, SC
Medical groups
- University Medical Associates of the Medical University of South Carol (1,668 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 247
- Services billed
- 910
- Patients’ average age
- 73
| Service | Times | Patients |
|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 173 | 53 |
| Established patient office or other outpatient visit, 30-39 minutes | 130 | 62 |
| New patient office or other outpatient visit, 60-74 minutes | 53 | 53 |
| Established patient office or other outpatient visit, 40-54 minutes | 39 | 30 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 33 | 31 |
| Biopsy and aspiration of bone marrow sample for diagnosis | 30 | 25 |
| New patient office or other outpatient visit, 45-59 minutes | 18 | 18 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 15 | 12 |
| Hospital discharge day management, more than 30 minutes | 12 | 11 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Acyclovir Other prescribers in Charleston, SC | 68 |
| Prevymis (letermovir) | 42 |
| Posaconazole | 41 |
| Hydroxyurea Other prescribers in Charleston, SC | 32 |
| Venclexta (venetoclax) | 31 |
| Imatinib Mesylate | 27 |
| Ciprofloxacin Hcl Other prescribers in Charleston, SC | 19 |
| Allopurinol Other prescribers in Charleston, SC | 19 |
| Ondansetron Hcl Other prescribers in Charleston, SC | 14 |
| Rosuvastatin Calcium Other prescribers in Charleston, SC | 14 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 7 companies reported 47 payments worth $47,165 in total to this clinician.
| Sanofi US Services Inc. | $18,109 |
|---|---|
| Sobi, Inc | $13,273 |
| Incyte Corporation | $6,050 |
| Pharmaessentia USA Corporation | $4,965 |
| Blueprint Medicines Corporation | $4,619 |
| Genzyme Corporation | $104 |
| Apellis Pharmaceuticals, Inc. | $45.27 |
| Compensation for services other than consulting (speaking, faculty) | $22,375 |
|---|---|
| Consulting Fee | $11,935 |
| Honoraria | $6,108 |
| Travel and Lodging | $3,783 |
| Education | $2,365 |
| Food and Beverage | $598 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Sobi, Inc Feb 28, 2025 | Consulting Fee Vonjo · Hematology/Oncology | $6,930 |
| Sobi, Inc Jun 11, 2025 | Consulting Fee Vonjo · Hematology/Oncology | $5,005 |
| Sanofi US Services Inc. Sep 10, 2025 | Compensation for services other than consulting (speaking, faculty) AYVAKIT · Gastroenterology | $4,956 |
| Sanofi US Services Inc. Oct 25, 2025 | Compensation for services other than consulting (speaking, faculty) AYVAKIT · Gastroenterology | $4,956 |
| Blueprint Medicines Corporation Jul 12, 2025 | Honoraria AYVAKIT · Oncology / Rare Diseases | $3,498 |
| Pharmaessentia USA Corporation Apr 16, 2025 | Honoraria BESREMI · Oncology | $2,610 |
| Pharmaessentia USA Corporation Dec 11, 2025 | Education BESREMI · Oncology | $2,088 |
| Incyte Corporation Jul 29, 2025 | Compensation for services other than consulting (speaking, faculty) Jakafi · Hematology/Oncology | $1,650 |
| Incyte Corporation Sep 2, 2025 | Compensation for services other than consulting (speaking, faculty) Jakafi · Hematology/Oncology | $1,650 |
| Incyte Corporation Jun 10, 2025 | Compensation for services other than consulting (speaking, faculty) Jakafi · Hematology/Oncology | $1,650 |
All 37 payments other than meals, newest first
| Company | What it was for | Amount |
|---|---|---|
| Pharmaessentia USA Corporation Dec 11, 2025 | Education BESREMI · Oncology | $2,088 |
| Pharmaessentia USA Corporation Dec 11, 2025 | Education BESREMI · Oncology | $116 |
| Pharmaessentia USA Corporation Dec 11, 2025 | Education BESREMI · Oncology | $116 |
| Sanofi US Services Inc. Dec 2, 2025 | Compensation for services other than consulting (speaking, faculty) AYVAKIT · Gastroenterology | $1,166 |
| Sanofi US Services Inc. Nov 18, 2025 | Compensation for services other than consulting (speaking, faculty) AYVAKIT · Gastroenterology | $583 |
| Sanofi US Services Inc. Nov 12, 2025 | Compensation for services other than consulting (speaking, faculty) AYVAKIT · Gastroenterology | $1,166 |
| Sanofi US Services Inc. Nov 10, 2025 | Compensation for services other than consulting (speaking, faculty) AYVAKIT · Gastroenterology | $1,166 |
| Sanofi US Services Inc. Oct 25, 2025 | Compensation for services other than consulting (speaking, faculty) AYVAKIT · Gastroenterology | $4,956 |
| Sanofi US Services Inc. Oct 25, 2025 | Travel and Lodging AYVAKIT · Gastroenterology · travel to Oxon Hill, MD · in-kind | $304 |
| Sanofi US Services Inc. Oct 25, 2025 | Travel and Lodging AYVAKIT · Gastroenterology · travel to Oxon Hill, MD | $43.40 |
| Sanofi US Services Inc. Sep 24, 2025 | Compensation for services other than consulting (speaking, faculty) AYVAKIT · Gastroenterology | $1,166 |
| Sanofi US Services Inc. Sep 11, 2025 | Compensation for services other than consulting (speaking, faculty) AYVAKIT · Gastroenterology | $1,166 |
| Sanofi US Services Inc. Sep 10, 2025 | Compensation for services other than consulting (speaking, faculty) AYVAKIT · Gastroenterology | $4,956 |
| Sanofi US Services Inc. Sep 10, 2025 | Travel and Lodging AYVAKIT · Gastroenterology · travel to Miami, FL · in-kind | $187 |
| Sanofi US Services Inc. Sep 10, 2025 | Travel and Lodging AYVAKIT · Gastroenterology · travel to Miami, FL | $45.56 |
| Incyte Corporation Sep 2, 2025 | Compensation for services other than consulting (speaking, faculty) Jakafi · Hematology/Oncology | $1,650 |
| Incyte Corporation Aug 12, 2025 | Compensation for services other than consulting (speaking, faculty) Jakafi · Hematology/Oncology | $825 |
| Incyte Corporation Jul 29, 2025 | Compensation for services other than consulting (speaking, faculty) Jakafi · Hematology/Oncology | $1,650 |
| Blueprint Medicines Corporation Jul 12, 2025 | Honoraria AYVAKIT · Oncology / Rare Diseases | $3,498 |
| Sanofi US Services Inc. Jul 12, 2025 | Travel and Lodging AYVAKIT · Gastroenterology · travel to Chicago, IL | $92.88 |
| Blueprint Medicines Corporation Jul 12, 2025 | Travel and Lodging AYVAKIT · Oncology / Rare Diseases · travel to Chicago, IL | $92.88 |
| Sanofi US Services Inc. Jul 12, 2025 | Travel and Lodging AYVAKIT · Gastroenterology · travel to Chicago, IL | $78.30 |
| Blueprint Medicines Corporation Jul 12, 2025 | Travel and Lodging AYVAKIT · Oncology / Rare Diseases · travel to Chicago, IL | $78.30 |
| Sanofi US Services Inc. Jul 11, 2025 | Travel and Lodging AYVAKIT · Gastroenterology · travel to Chicago, IL · in-kind | $519 |
| Blueprint Medicines Corporation Jul 11, 2025 | Travel and Lodging AYVAKIT · Oncology / Rare Diseases · travel to Chicago, IL | $519 |
| Sanofi US Services Inc. Jul 11, 2025 | Travel and Lodging AYVAKIT · Gastroenterology · travel to Chicago, IL · in-kind | $316 |
| Blueprint Medicines Corporation Jul 11, 2025 | Travel and Lodging AYVAKIT · Oncology / Rare Diseases · travel to Chicago, IL | $316 |
| Sobi, Inc Jun 11, 2025 | Consulting Fee Vonjo · Hematology/Oncology | $5,005 |
| Apellis Pharmaceuticals, Inc. Jun 11, 2025 | Education Empaveli · Hematology · in-kind | $45.27 |
| Incyte Corporation Jun 10, 2025 | Compensation for services other than consulting (speaking, faculty) Jakafi · Hematology/Oncology | $1,650 |
| Incyte Corporation Jun 6, 2025 | Compensation for services other than consulting (speaking, faculty) Jakafi · Hematology/Oncology | $275 |
| Sobi, Inc May 22, 2025 | Travel and Lodging Vonjo · Hematology/Oncology · travel to Detroit, MI | $238 |
| Pharmaessentia USA Corporation Apr 16, 2025 | Honoraria BESREMI · Oncology | $2,610 |
| Sobi, Inc Mar 7, 2025 | Travel and Lodging Vonjo · Hematology/Oncology · travel to Coral Springs, FL | $165 |
| Sobi, Inc Feb 28, 2025 | Consulting Fee Vonjo · Hematology/Oncology | $6,930 |
| Sobi, Inc Feb 7, 2025 | Travel and Lodging Vonjo · Hematology/Oncology · travel to Pompano Beach, FL | $327 |
| Sobi, Inc Jan 31, 2025 | Travel and Lodging Vonjo · Hematology/Oncology · travel to Fort Lauderdale, FL | $461 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.