Abigail Sy Chan, MD
Hematology & Oncology Physician · Louisville, KY
Abigail Sy Chan, MD is a hematology & oncology physician with a practice address in Louisville, Kentucky, and NPI 1942720719, issued on Jun 22, 2017. Check the license (Kentucky 54059, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Abigail Sy Chan
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 54059 KY
Self-reported in NPPES; status is on the state search - Practice location
- 530 S Jackson St, Louisville, KY 40202
- Phone
- (502) 562-3000
- Enumerated
- Jun 22, 2017
- Record last updated
- Feb 22, 2023
- Medicaid ID
- 7100688720 KY
- Medicare enrollment
- Enrolled (PECOS I20230308003014); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 152 in Kentucky → Look up another NPI →
Also registered at 530 S Jackson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hiba Al-Dallal, MDAnatomic Pathology & Clinical Pathology Physician1205325610
- Mustafa Al-Kawaaz, M.D.Anatomic Pathology & Clinical Pathology Physician1902245038
- Houda Alatassi, MDAnatomic Pathology & Clinical Pathology Physician1033266762
Verify Abigail Sy Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 54059Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
691 Medicare Part D claims for 89 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 168 claims were for opioids.
Most prescribed
- Oxycodone Hcl69 claims
- Dexamethasone68 claims
- Ondansetron Hcl53 claims
- Prochlorperazine Maleate48 claims
- Hydrocodone-Acetaminophen38 claims
- Oxycodone-Acetaminophen26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $477.05
22 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University OF Louisville Physicians IncLouisville, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Abigail Sy Chan among 152 hematology & oncology physician records in Kentucky
Abigail Sy Chan, MD is one of 152 hematology & oncology physician records with a practice address in Kentucky. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 94% of them.
- NPI issued2017 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2015 · median 2004 among the 117 with a school on file
- Record last updated2023 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Kentucky
There are 152 hematology & oncology physician records in Kentucky.
All 152 in Kentucky → Every provider in Louisville → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Alfonso Cervera, M.D.Louisville, KY 402021730152117
- Polly Coombs, M.D.Louisville, KY 402021063557353
- Shawn Glisson, M.D.Louisville, KY 402021821061268
- George Goldsmith, M.D.Louisville, KY 402021982677001
- Jaspreet Grewal, M.D., M.P.H.Louisville, KY 402021609995703
- Freddy Hendler, MDLouisville, KY 402021235110040
- Dharamvir Jain, MDLouisville, KY 402021417938234
- Khuda Khan, M.D., PH.D.Louisville, KY 402021619946159
Common questions
What is Abigail Sy Chan, MD's NPI number?
Abigail Sy Chan, MD's National Provider Identifier (NPI) is 1942720719, issued on Jun 22, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Abigail Sy Chan, MD located?
The NPPES record lists a practice address at 530 S Jackson St, Louisville, KY, 40202. Phone: (502) 562-3000. Providers update this record themselves, so call before visiting.
How can I verify Abigail Sy Chan, MD's license?
NPPES lists Kentucky license number 54059, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Abigail Sy Chan, MD prescribe under Medicare Part D?
In 2024, Abigail Sy Chan, MD had 691 Medicare Part D claims for 89 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Abigail Sy Chan, MD's MIPS final score?
The 2023 MIPS final score is 73.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.