Jihoon John Choi, MD
Hematology & Oncology Physician · Olney, MD
Jihoon John Choi, MD is a hematology & oncology physician with a practice address in Olney, Maryland, and NPI 1194285270, issued on Mar 23, 2019. Check the license (Maryland D0107234, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Jihoon John Choi
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- D0107234 MD
Self-reported in NPPES; status is on the state search - Practice location
- 18101 Prince Philip Dr Ste TG-100, Olney, MD 20832
- Phone
- (301) 774-8882
- Enumerated
- Mar 23, 2019
- Record last updated
- Jun 4, 2026
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 317 in Maryland → Look up another NPI →
Verify Jihoon John Choi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0107234Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
100 Medicare Part D claims for 39 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Letrozole12 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: $412.19
4 payments; by number, the most common kind was education; the largest payer was Abbvie 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.
Jihoon John Choi among 317 hematology & oncology physician records in Maryland
Jihoon John Choi, MD is one of 317 hematology & oncology physician records with a practice address in Maryland. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 93% of them.
- NPI issued2019 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2026 · 57% 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 Maryland 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 Maryland
There are 317 hematology & oncology physician records in Maryland.
All 317 in Maryland → Every provider in Olney → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Paul Bannen, MDOlney, MD 208321942392899
- Behzad DoratotajOlney, MD 208321063675890
- Robert Kreitman, MPOlney, MD 208321043499312
- Joseph Reilly, M.D., PH.D.Olney, MD 208321053392100
- Ralph Boccia, M.D.Bethesda, MD 208171881663284
- Henry Chang, M.D.Bethesda, MD 208171760709489
- Shreya Desai, MDBethesda, MD 208171871157123
- Richard Pazdur, M.D.Bethesda, MD 208171619107596
Common questions
What is Jihoon John Choi, MD's NPI number?
Jihoon John Choi, MD's National Provider Identifier (NPI) is 1194285270, issued on Mar 23, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Jihoon John Choi, MD located?
The NPPES record lists a practice address at 18101 Prince Philip Dr Ste TG-100, Olney, MD, 20832. Phone: (301) 774-8882. Providers update this record themselves, so call before visiting.
How can I verify Jihoon John Choi, MD's license?
NPPES lists Maryland license number D0107234, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jihoon John Choi, MD prescribe under Medicare Part D?
In 2024, Jihoon John Choi, MD had 100 Medicare Part D claims for 39 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.