Jonathan K. Marx, M.D.
Vascular & Interventional Radiology Physician · Fulton, MD
Jonathan K. Marx, M.D. is a vascular & interventional radiology physician with a practice address in Fulton, Maryland, and NPI 1619991726, issued on Jul 26, 2006. Check the license (Maryland D64735, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Jonathan K. Marx
- Credential
- M.D.
- Primary taxonomy
- Vascular & Interventional Radiology Physician 2085R0204X
- License number
- D64735 MD
Self-reported in NPPES; status is on the state search - Practice location
- 7788 Elmwood RD, Fulton, MD 20759
- Phone
- (973) 769-3444
- Enumerated
- Jul 26, 2006
- Record last updated
- Jan 26, 2023
- Medicare enrollment
- Enrolled (PECOS I20061012000315); accepts Medicare assignment
- Medical or professional school
- Rutgers, Robert Woood Johnson Medical School, 1998
- Entity
- Type 1 · individual
8 nearest vascular & interventional radiology physician records → All 95 in Maryland → Look up another NPI →
Verify Jonathan K. Marx in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D64735Check 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): 72.9 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).
Industry payments in 2024: $135.96
7 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 3,457 providers of this specialty with any payment received $7,206.73 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.
Bills Medicare through one group practice
- Frederick Health Medical Group LLCFrederick, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan K. Marx among 95 vascular & interventional radiology physician records in Maryland
Jonathan K. Marx, M.D. is one of 95 vascular & interventional radiology physician records with a practice address in Maryland. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 64% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1998 · median 2006 among the 75 with a school on file
- Record last updated2023 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0204X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular & Interventional Radiology Physician providers in Maryland
There are 95 vascular & interventional radiology physician records in Maryland.
All 95 in Maryland → Every provider in Fulton → Vascular & Interventional Radiology Physician nationwide →
The 8 vascular & interventional radiology physician records with the nearest ZIP codes
- Albert Chun, MDCamp Springs, MD 207461841276136
- Alexander Kim, MDOxon Hill, MD 207451215183991
- George Lynskey, M.D.Oxon Hill, MD 207451336391416
- Sabir Taj, M.D.Highland, MD 207771972761229
- Michael Abramson, M.D.Clinton, MD 207351245494467
- Maryam Boumezrag, MDClinton, MD 207351982164042
- Gurmeet Sidhu, MDCheverly, MD 207851821088204
- Amanuel Fessahaye, M.D.Lanham, MD 207061427111962
Common questions
What is Jonathan K. Marx, M.D.'s NPI number?
Jonathan K. Marx, M.D.'s National Provider Identifier (NPI) is 1619991726, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan K. Marx, M.D. located?
The NPPES record lists a practice address at 7788 Elmwood RD, Fulton, MD, 20759. Phone: (973) 769-3444. Providers update this record themselves, so call before visiting.
How can I verify Jonathan K. Marx, M.D.'s license?
NPPES lists Maryland license number D64735, 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 K. Marx, M.D.'s MIPS final score?
The 2023 MIPS final score is 72.9 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.