Michael Jonathan Hubbard, DO
Hematology & Oncology Physician · Baltimore, MD
Michael Jonathan Hubbard, DO is a hematology & oncology physician with a practice address in Baltimore, Maryland, and NPI 1588283048, issued on Apr 14, 2020. Check the license (Maryland 1588283048, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Michael Jonathan Hubbard
- Credential
- DO
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 1588283048 MD
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St RM N9E17, Baltimore, MD 21201
- Phone
- (410) 328-6841
- Enumerated
- Apr 14, 2020
- Record last updated
- Aug 19, 2024
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 317 in Maryland → Look up another NPI →
Verify Michael Jonathan Hubbard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license 1588283048Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
19 Medicare Part D claims for 13 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.
Michael Jonathan Hubbard among 317 hematology & oncology physician records in Maryland
Michael Jonathan Hubbard, DO 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 2020, is newer than 95% of them.
- NPI issued2020 · 95% 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 updated2024 · 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 Baltimore → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Maria Baer, MDBaltimore, MD 212011700881802
- Arnob Banerjee, MDBaltimore, MD 212011538221494
- Trishna Goswami, M.D.Baltimore, MD 212011336201474
- Jack Hong, M.D.Baltimore, MD 212011033186085
- Yixing Jiang, MDBaltimore, MD 212011720037971
- Mehmet Kocoglu, MDBaltimore, MD 212011114001138
- Naimish Pandya, MDBaltimore, MD 212011497709356
- Douglas Ross, MDBaltimore, MD 212011861447666
Common questions
What is Michael Jonathan Hubbard, DO's NPI number?
Michael Jonathan Hubbard, DO's National Provider Identifier (NPI) is 1588283048, issued on Apr 14, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Michael Jonathan Hubbard, DO located?
The NPPES record lists a practice address at 22 S Greene St RM N9E17, Baltimore, MD, 21201. Phone: (410) 328-6841. Providers update this record themselves, so call before visiting.
How can I verify Michael Jonathan Hubbard, DO's license?
NPPES lists Maryland license number 1588283048, 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 Michael Jonathan Hubbard, DO prescribe under Medicare Part D?
In 2024, Michael Jonathan Hubbard, DO had 19 Medicare Part D claims for 13 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.