NPPES file of Aug 9, 2026

Viviana Johnson

Blood Banking & Transfusion Medicine Physician · Bethesda, MD

Viviana Johnson is a blood banking & transfusion medicine physician with a practice address in Bethesda, Maryland, and NPI 1922195734, issued on Oct 5, 2006. Check the license on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1922195734
Name
Viviana Johnson
Primary taxonomy
Blood Banking & Transfusion Medicine Physician 207ZB0001X
License number
MD035350 DC
Self-reported in NPPES; status is on the state search
Practice location
Nnmc 8901 Wisconsin Avenue, Bethesda, MD 20089
Phone
(301) 319-4073
Enumerated
Oct 5, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify Viviana 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Blood Banking & Transfusion Medicine Physician providers in Maryland

There are 16 blood banking & transfusion medicine physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 16 in Maryland → Every provider in Bethesda →

Other blood banking & transfusion medicine physician records in Maryland

  1. Harvey Alter, MDBethesda, MD1376847335
  2. Leonard Chen, M.D.Bethesda, MD1548688336
  3. Ion Chiosea, M.D.Bethesda, MD1811288947
  4. Kathleen Conry-Cantilena, M.D.Bethesda, MD1083041099
  5. David Daniel, MDBaltimore, MD1033563036
  6. Anne Eder, M.D.Rockville, MD1477810448
  7. Willy Flegel, MDBethesda, MD1093174369
  8. Linda Griffith, MD, PHDRockville, MD1649564857
  9. Salim Haddad, M.D.Silver Spring, MD1942758016
  10. James Long, M.D.Bethesda, MD1295147270

Common questions

What is Viviana Johnson's NPI number?

Viviana Johnson's National Provider Identifier (NPI) is 1922195734, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Viviana Johnson located?

The NPPES record lists a practice address at Nnmc 8901 Wisconsin Avenue, Bethesda, MD, 20089. Phone: (301) 319-4073. Providers update this record themselves, so call before visiting.

How can I verify Viviana Johnson'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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.