NPPES file of Aug 9, 2026

William Rainey Johnson, M.D.

Cardiovascular Disease Physician · Bethesda, MD

William Rainey Johnson, M.D. is a cardiovascular disease physician with a practice address in Bethesda, Maryland, and NPI 1427443571, issued on Apr 4, 2015. 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
1427443571
Name
William Rainey Johnson
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
0101268523 VA
Self-reported in NPPES; status is on the state search
Practice location
8901 Wisconsin Ave, Bethesda, MD 20889
Phone
(301) 295-0451
Enumerated
Apr 4, 2015
Record last updated
Jun 11, 2026
Medicare enrollment
Enrolled (PECOS I20251205003308); accepts Medicare assignment
Medical or professional school
Perelman School Of Med At The University Of Pennsylvania, 2015
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 8901 Wisconsin Ave

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

  1. Yousef AbdelmotaalPharmacist1316558414
  2. Fenote Abraham, M.D.Addiction Psychiatry Physician1073660916
  3. Anthony AchilleMilitary Health Care Provider1548117609
  4. Chigozie Achuko, DMDDentist1811235898
  5. Jennifer Ackerman Helfand, LCSW-CSocial Worker1912658659
  6. Barry Adams, M.S.S.W.Clinical Social Worker1033242730

Verify William Rainey Johnson 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Centra Medical Group LLCFarmville, VA

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

William Rainey Johnson among 613 cardiovascular disease physician records in Maryland

William Rainey Johnson, M.D. is one of 613 cardiovascular disease physician records with a practice address in Maryland. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 88% of them.

  • NPI issued2015 · 88% of these records are older, 9% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2015 · median 1997 among the 389 with a school on file
  • Record last updated2026 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Maryland

There are 613 cardiovascular disease physician records in Maryland.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Saira Aslam, M.D.Bethesda, MD 208891790706976
  2. John Atwood, M.D.Bethesda, MD 208891023117090
  3. Jerome Fleg, M.D.Bethesda, MD 208891851456818
  4. Marc Franzos, MD, MPHBethesda, MD 208891356334684
  5. Robert Gallagher, M.D.Bethesda, MD 208891043396120
  6. Robert Goldstein, M.D.Bethesda, MD 208891619002474
  7. Travis Harrell, M.D.Bethesda, MD 208891639233497
  8. Brian Hemann, MDBethesda, MD 208891316048648

Common questions

What is William Rainey Johnson, M.D.'s NPI number?

William Rainey Johnson, M.D.'s National Provider Identifier (NPI) is 1427443571, issued on Apr 4, 2015. An NPI identifies a provider in billing; it is not a license.

Where is William Rainey Johnson, M.D. located?

The NPPES record lists a practice address at 8901 Wisconsin Ave, Bethesda, MD, 20889. Phone: (301) 295-0451. Providers update this record themselves, so call before visiting.

How can I verify William Rainey Johnson, 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.