NPPES file of Aug 9, 2026

Ryan Christopher Closson, M.D.

Pediatric Cardiology Physician · Rockville, MD

Ryan Christopher Closson, M.D. is a pediatric cardiology physician with a practice address in Rockville, Maryland, and NPI 1205290392, issued on Apr 5, 2016. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205290392
Name
Ryan Christopher Closson
Credential
M.D.
Primary taxonomy
Pediatric Cardiology Physician 2080P0202X
License number
0101275218 VA
Self-reported in NPPES; status is on the state search
Practice location
14955 Shady Grove RD Ste 150, Rockville, MD 20850
Phone
(301) 424-8484
Enumerated
Apr 5, 2016
Record last updated
Oct 13, 2022
Fax
(301) 424-8135
Medicare enrollment
Enrolled (PECOS I20221026000483); accepts Medicare assignment
Medical or professional school
State University Of New York At Stony Brook, School Of Medicine, 2016
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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Verify Ryan Christopher Closson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck 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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Bills Medicare through one group practice

  1. Inova Health Care ServicesFalls Church, VA

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

Pediatric Cardiology Physician providers in Maryland

There are 38 pediatric cardiology physician records in Maryland.

Other pediatric cardiology physician records in Maryland

  1. Robert Barlow, M.D.,PH.D.Rosedale, MD1871778282
  2. Benjamin Barnes, MDBaltimore, MD1902164239
  3. Thomas Burklow, M.D.Bethesda, MD1588608434
  4. Alicia Chaves, M.D.Baltimore, MD1871778456
  5. Joanne Chiu, MDBaltimore, MD1659515344
  6. John Coulson, M.D.Baltimore, MD1558382077
  7. Jane Crosson, MDBaltimore, MD1811944762
  8. Caridad Delauz, M.D.Baltimore, MD1205094828
  9. Allen Everett, M.D.Baltimore, MD1275561169
  10. Hannah Fraint, M.D.Baltimore, MD1578797346

Common questions

What is Ryan Christopher Closson, M.D.'s NPI number?

Ryan Christopher Closson, M.D.'s National Provider Identifier (NPI) is 1205290392, issued on Apr 5, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Ryan Christopher Closson, M.D. located?

The NPPES record lists a practice address at 14955 Shady Grove RD Ste 150, Rockville, MD, 20850. Phone: (301) 424-8484. Providers update this record themselves, so call before visiting.

How can I verify Ryan Christopher Closson, M.D.'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.

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.