Gaston Jean-Louis, MD
Hematology & Oncology Physician · New York, NY
Gaston Jean-Louis, MD is a hematology & oncology physician with a practice address in New York, New York, and NPI 1730708959, issued on Apr 9, 2020. Check the license (New York 322876, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Gaston Jean-Louis
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 322876 NY
Self-reported in NPPES; status is on the state search - Practice location
- 622 W 168TH St RM 205, New York, NY 10032
- Phone
- (212) 305-6354
- Enumerated
- Apr 9, 2020
- Record last updated
- Apr 23, 2026
- Medicare enrollment
- Enrolled (PECOS I20260417003355); may accept Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2020
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,163 in New York → Look up another NPI →
Also registered at 622 W 168TH St RM 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Johanna Ben-Ami, MDStudent in an Organized Health Care Education/Training Program1790304558
- Anna CaiNeurology Physician1376172510
- Wesley Earl, MDHospitalist Physician1821617945
- Edward EckelsStudent in an Organized Health Care Education/Training Program1184244279
- Enrique Garcia, MD-PHDStudent in an Organized Health Care Education/Training Program1710507009
- Adam Kroopnick, MDNeurology Physician1760001523
Verify Gaston Jean-Louis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 322876Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
72 Medicare Part D claims for 25 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
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.
Gaston Jean-Louis among 1,163 hematology & oncology physician records in New York
Gaston Jean-Louis, MD is one of 1,163 hematology & oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 95% of them.
- NPI issued2020 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2020 · median 2002 among the 833 with a school on file
- Record last updated2026 · 61% 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 New York 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 New York
There are 1,163 hematology & oncology physician records in New York.
All 1,163 in New York → Every provider in New York → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Dow-Chung Chi, M.D.New York, NY 100321700047370
- Changchun Deng, M.D.New York, NY 100321396866034
- Robert Fine, M.D.New York, NY 100321255499935
- Lionel Grossbard, M.D.New York, NY 100321205877818
- Andrew Joe, M.D.New York, NY 100321104847771
- Daniel LeeNew York, NY 100321841589967
- Douglas Marks, M.D.New York, NY 100321083980189
- Matthew Maurer, MDNew York, NY 100321144399171
Common questions
What is Gaston Jean-Louis, MD's NPI number?
Gaston Jean-Louis, MD's National Provider Identifier (NPI) is 1730708959, issued on Apr 9, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Gaston Jean-Louis, MD located?
The NPPES record lists a practice address at 622 W 168TH St RM 205, New York, NY, 10032. Phone: (212) 305-6354. Providers update this record themselves, so call before visiting.
How can I verify Gaston Jean-Louis, MD's license?
NPPES lists New York license number 322876, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gaston Jean-Louis, MD prescribe under Medicare Part D?
In 2024, Gaston Jean-Louis, MD had 72 Medicare Part D claims for 25 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
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.