Onyee Chan, M.D.
NPI 1841603727 · Hematology & Oncology Physician · Tampa, FL
Enrolled with Medicare as Practitioner - Hematology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Onyee Chan, M.D. is a Hematology & Oncology Physician provider in Tampa, FL (NPI 1841603727).
Provider details
- NPI number
- 1841603727
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- ME132176 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
305 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 155 | $142 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 50 | $180 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 42 | $96 |
| 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 | 35 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 23 | $178 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Venetoclaxbrand: Venclexta | 38 | 17 |
| Hydroxyurea | 20 | — |
| Acyclovir | 20 | — |
| Ruxolitinib Phosphatebrand: Jakafi | 18 | — |
| Azacitidinebrand: Onureg | 16 | — |
| Apixabanbrand: Eliquis | 14 | — |
| Asciminib Hydrochloridebrand: Scemblix | 14 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$7,018 across 13 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
Registry dates
- Enumerated
- 2014-06-09
- Last updated
- 2025-06-02
- Certified
- 2025-06-02
Frequently asked questions
- What is Onyee Chan's NPI number?
- Onyee Chan's National Provider Identifier (NPI) is 1841603727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Onyee Chan's specialty?
- Onyee Chan is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Onyee Chan located?
- Onyee Chan's practice location on file with NPPES is 12902 Usf Magnolia Dr, Tampa, FL 33612-9416.
- What is Onyee Chan's phone number?
- The practice phone number listed in the NPPES registry for Onyee Chan is (813) 745-7365.
- Does Onyee Chan accept Medicare?
- Onyee Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Onyee Chan's NPI active?
- Yes — Onyee Chan's NPI (1841603727) is active in the NPPES registry as of the last update on 2025-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.