Jordonna Jessica Brown
Hematology & Oncology Physician · Brooklyn, NY
Jordonna Jessica Brown is a hematology & oncology physician with a practice address in Brooklyn, New York, and NPI 1467985564, issued on Apr 5, 2017. Check the license (New York 321111-01, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Jordonna Jessica Brown
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 321111-01 NY
Self-reported in NPPES; status is on the state search - Practice location
- 451 Clarkson Ave, Brooklyn, NY 11203
- Phone
- (718) 245-2847
- Enumerated
- Apr 5, 2017
- Record last updated
- Oct 10, 2024
- Fax
- (718) 245-2844
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,163 in New York → Look up another NPI →
Also registered at 451 Clarkson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kelechi Acholonu, DOAddiction Medicine (Preventive Medicine) Physician1144849696
- Angela Adams, LCSWClinical Social Worker1598085607
- Sapna Adappa, D.D.S.Student in an Organized Health Care Education/Training Program1598052128
Verify Jordonna Jessica Brown 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 321111-01Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
152 Medicare Part D claims for 42 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Anastrozole36 claims
- Hydroxyurea19 claims
- Lenalidomide11 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.
Industry payments in 2024: $851.19
31 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. 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.
Jordonna Jessica Brown among 1,163 hematology & oncology physician records in New York
Jordonna Jessica Brown 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 2017, is newer than 85% of them.
- NPI issued2017 · 85% of these records are older, 11% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2024 · 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 Brooklyn → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Olcay Batuman, M.D.Brooklyn, NY 112031316931579
- Edwin ChiuBrooklyn, NY 112031104261569
- Jason Gonsky, M.D., PH.D.Brooklyn, NY 112031184835035
- Vinita Gupta, M.D.Brooklyn, NY 112031710181870
- Madhumati Kalavar, MDBrooklyn, NY 112031215991070
- Leen Khoury, MDBrooklyn, NY 112031790247922
- Kathleen Killoran, M.D.Brooklyn, NY 112031558551242
- Mohan Preet, MDBrooklyn, NY 112031134243595
Common questions
What is Jordonna Jessica Brown's NPI number?
Jordonna Jessica Brown's National Provider Identifier (NPI) is 1467985564, issued on Apr 5, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Jordonna Jessica Brown located?
The NPPES record lists a practice address at 451 Clarkson Ave, Brooklyn, NY, 11203. Phone: (718) 245-2847. Providers update this record themselves, so call before visiting.
How can I verify Jordonna Jessica Brown's license?
NPPES lists New York license number 321111-01, 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 Jordonna Jessica Brown prescribe under Medicare Part D?
In 2024, Jordonna Jessica Brown had 152 Medicare Part D claims for 42 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.