Rachel Arielle Zemel, MD
Hematology & Oncology Physician · Bethesda, MD
Rachel Arielle Zemel, MD is a hematology & oncology physician with a practice address in Bethesda, Maryland, and NPI 1689256778, issued on Apr 27, 2021. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Rachel Arielle Zemel
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- MD600003839 DC
Self-reported in NPPES; status is on the state search - Practice location
- 10 Center Dr RM 4-5140, Bethesda, MD 20892
- Phone
- (301) 402-2399
- Enumerated
- Apr 27, 2021
- Record last updated
- Jun 26, 2025
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 317 in Maryland → Look up another NPI →
Also registered at 10 Center Dr RM 4-5140
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Hesdorffer, MDHematology & Oncology Physician1356302095
- Iris RahmanHematology & Oncology Physician1629773825
- Katie Stoops, MDHematology & Oncology Physician1235873860
Verify Rachel Arielle Zemel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck 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
74 Medicare Part D claims for 18 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Ozempic11 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.
Rachel Arielle Zemel among 317 hematology & oncology physician records in Maryland
Rachel Arielle Zemel, 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 2021, is newer than 97% of them.
- NPI issued2021 · 97% of these records are older, 3% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2025 · 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 Bethesda → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Philip Arlen, M.D.Bethesda, MD 208921093857047
- Sanjeeve Balasubramaniam, MDBethesda, MD 208921700099710
- Alice Chen, MDBethesda, MD 208921518079805
- Ezekiel Jonathan Emanuel, M.D.Bethesda, MD 208921447375381
- Giuseppe GiacconeBethesda, MD 208921417193376
- James Gulley, MD PHD FACPBethesda, MD 208921720038771
- Charles Hesdorffer, MDBethesda, MD 208921356302095
- Matthew Hsieh, MDBethesda, MD 208921992915458
Common questions
What is Rachel Arielle Zemel, MD's NPI number?
Rachel Arielle Zemel, MD's National Provider Identifier (NPI) is 1689256778, issued on Apr 27, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Rachel Arielle Zemel, MD located?
The NPPES record lists a practice address at 10 Center Dr RM 4-5140, Bethesda, MD, 20892. Phone: (301) 402-2399. Providers update this record themselves, so call before visiting.
How can I verify Rachel Arielle Zemel, MD's license?
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 Rachel Arielle Zemel, MD prescribe under Medicare Part D?
In 2024, Rachel Arielle Zemel, MD had 74 Medicare Part D claims for 18 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.