Alexander Coltoff
NPI 1588026736 · Hematology & Oncology Physician · Charleston, SC
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Coltoff is a Hematology & Oncology Physician provider in Charleston, SC (NPI 1588026736).
Provider details
- NPI number
- 1588026736
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
879 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 317 | $74 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 136 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 125 | $135 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 50 | $15 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 48 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acyclovir | 68 | 24 |
| Letermovirbrand: Prevymis | 42 | — |
| Posaconazole | 41 | 20 |
| Hydroxyurea | 32 | — |
| Venetoclaxbrand: Venclexta | 31 | 21 |
| Imatinib Mesylate | 27 | — |
| Allopurinol | 19 | 11 |
| Ciprofloxacin Hcl | 19 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,084 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1 Gustave L Levy PlNew York, NY 10029-6504Phone: (212) 241-8170
Registry dates
- Enumerated
- 2016-03-27
- Last updated
- 2022-08-02
- Certified
- 2022-08-02
Frequently asked questions
- What is Alexander Coltoff's NPI number?
- Alexander Coltoff's National Provider Identifier (NPI) is 1588026736, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Coltoff's specialty?
- Alexander Coltoff is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Coltoff located?
- Alexander Coltoff's practice location on file with NPPES is 171 Ashley Ave, Charleston, SC 29425-6504.
- What is Alexander Coltoff's phone number?
- The practice phone number listed in the NPPES registry for Alexander Coltoff is (843) 792-1414.
- Does Alexander Coltoff accept Medicare?
- Alexander Coltoff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Coltoff's NPI active?
- Yes — Alexander Coltoff's NPI (1588026736) is active in the NPPES registry as of the last update on 2022-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.