Jonathan Lee Mezrich, M.D.
Diagnostic Radiology Physician · Baltimore, MD
Jonathan Lee Mezrich, M.D. is a diagnostic radiology physician with a practice address in Baltimore, Maryland, and NPI 1700010774, issued on May 6, 2009. Check the license (Maryland D0074492, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Jonathan Lee Mezrich
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- D0074492 MD
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St, Baltimore, MD 21201
- Phone
- (410) 916-5271
- Enumerated
- May 6, 2009
- Record last updated
- Apr 20, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150708001323); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 877 in Maryland → Look up another NPI →
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Verify Jonathan Lee Mezrich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0074492Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Lee Mezrich among 877 diagnostic radiology physician records in Maryland
Jonathan Lee Mezrich, M.D. is one of 877 diagnostic radiology physician records with a practice address in Maryland. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 63% of them.
- NPI issued2009 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2009 · median 2003 among the 604 with a school on file
- Record last updated2015 · 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 2085R0202X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
493 diagnostic radiology physician records list a practice address in Baltimore
They are 493 of the 35,183 NPPES records with a practice address in Baltimore, and 877 diagnostic radiology physician records in Maryland.
All 877 in Maryland → Every provider in Baltimore → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Benita Banks, MDBaltimore, MD 212011801867593
- William Carter, M.D.Baltimore, MD 212011912905563
- Barry Daly, MDBaltimore, MD 212011932195989
- George Gross, MDBaltimore, MD 212011649266610
- Jeffrey Hirsch, M.D.Baltimore, MD 212011023097060
- Marcia McAvoy, M.D.Baltimore, MD 212011942296124
- Reuben Mezrich, MDBaltimore, MD 212011306832480
- Michael Mulligan, MDBaltimore, MD 212011972599553
Common questions
What is Jonathan Lee Mezrich, M.D.'s NPI number?
Jonathan Lee Mezrich, M.D.'s National Provider Identifier (NPI) is 1700010774, issued on May 6, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Lee Mezrich, M.D. located?
The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 916-5271. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Lee Mezrich, M.D.'s license?
NPPES lists Maryland license number D0074492, 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.
What is Jonathan Lee Mezrich, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.