NPPES file of Aug 9, 2026

Jonathan Zenilman, M.D.

Infectious Disease Physician · Baltimore, MD

Jonathan Zenilman, M.D. is an infectious disease physician with a practice address in Baltimore, Maryland, and NPI 1730119264, issued on Jul 3, 2006. Check the license (Maryland D39358, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730119264
Name
Jonathan Zenilman
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
D39358 MD
Self-reported in NPPES; status is on the state search
Practice location
5200 Eastern Ave RM 381, Baltimore, MD 21224
Phone
(410) 550-9080
Enumerated
Jul 3, 2006
Record last updated
Aug 14, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(410) 550-1169
Medicaid ID
058711700 MD
Medicare enrollment
Enrolled (PECOS I20100712000223); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5200 Eastern Ave RM 381

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Morgan Katz, M.D.Infectious Disease Physician1942599964

Verify Jonathan Zenilman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D39358
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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The practice group's MIPS final score for 2023 (Medicare payment program): 74.4 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.

  1. Qualityout of 100 · 30% of the final score64.7
  2. Costout of 100 · 30%52.4
  3. Promoting interoperabilityout of 100 · 25%97.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $20,005.00

18 payments; by number, the most common kind was consulting fee; the largest payer was Pfizer Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jonathan Zenilman$20,005
  2. Specialty average$4,362

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

  1. Johns Hopkins UniversityLutherville, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jonathan Zenilman among 410 infectious disease physician records in Maryland

Jonathan Zenilman, M.D. is one of 410 infectious disease physician records with a practice address in Maryland. 59% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 55% newer
  • In a Medicare fileYes · 59% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated1981 · median 2002 among the 202 with a school on file
  • Record last updated2019 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Maryland

There are 410 infectious disease physician records in Maryland.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Khalil Ghanem, M.D.Baltimore, MD 212241932153392
  2. Morgan Katz, M.D.Baltimore, MD 212241942599964
  3. Maryam Keshtkar Jahromi, MDBaltimore, MD 212241558688200
  4. Mamuka Machaidze, MDBaltimore, MD 212241538573530
  5. Seema Nayak, MDBaltimore, MD 212241578608246
  6. Eric Nuermberger, M.D.Baltimore, MD 212241477593150
  7. Jeffrey Tornheim, M.D.Baltimore, MD 212241922323732
  8. Jennifer Townsend, M.D.Baltimore, MD 212241225270895

Common questions

What is Jonathan Zenilman, M.D.'s NPI number?

Jonathan Zenilman, M.D.'s National Provider Identifier (NPI) is 1730119264, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Zenilman, M.D. located?

The NPPES record lists a practice address at 5200 Eastern Ave RM 381, Baltimore, MD, 21224. Phone: (410) 550-9080. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Zenilman, M.D.'s license?

NPPES lists Maryland license number D39358, 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 Zenilman, M.D.'s MIPS final score?

The 2023 MIPS final score is 74.4 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.