DR. VIVIANA JOHNSON
NPI 1922195734
Pathology - Blood Banking & Transfusion Medicine in Bethesda, MD

Q: What is Viviana Johnson's NPI number?

The NPI number for Viviana Johnson is 1922195734. It was assigned to this individual provider in the NPPES registry on October 5, 2006. The provider is also known as Viviana Carro MD.

Q: What is Viviana Johnson's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Blood Banking & Transfusion Medicine, with taxonomy code 207ZB0001X.

Q: When was this NPI record last updated?

The NPPES record for Viviana Johnson was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 05, 2006

NNMC 8901 WISCONSIN AVENUE, BETHESDA, MD 20089(301) 319-4073 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Viviana Johnson NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. VIVIANA JOHNSON (NPI 1922195734) is an individual blood banking & transfusion medicine provider in Bethesda, Maryland, licensed in District Of Columbia (MD035350) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1922195734

Entity TypeIndividualFemale

Primary Taxonomy207ZB0001X

Provider Legal NameDR. VIVIANA JOHNSON

Location AddressNNMC 8901 WISCONSIN AVENUEBethesda, MD 20089

Mailing Address13116 Rosebay DrGermantown, MD 20874-3984

Phone(301) 319-4073

Sole ProprietorNo

Enumeration DateOctober 5, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1922195734 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Blood Banking & Transfusion MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207ZB0001X

License✔ Licensed in DC · MD035350

Definition

A physician who specializes in blood banking/transfusion medicine is responsible for the maintenance of an adequate blood supply, blood donor and patient-recipient safety and appropriate blood utilization. Pre-transfusion compatibility testing and antibody testing assure that blood transfusions, when indicated, are as safe as possible. This physician directs the preparation and safe use of specially prepared blood components, including red blood cells, white blood cells, platelets and plasma constituents, and marrow or stem cells for transplantation.

NNMC 8901 WISCONSIN AVENUE, Bethesda, MD 20089

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Other Names 1

Former Name (1)Viviana Carro Md

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Viviana Johnson's NPI number?

The NPI number for Viviana Johnson is 1922195734. It was assigned to this individual provider in the NPPES registry on October 5, 2006. The provider is also known as Viviana Carro MD.

Where is Viviana Johnson located?

Viviana Johnson practices at Nnmc 8901 Wisconsin Avenue, Bethesda, MD 20089. The listed phone number is (301) 319-4073.

What is Viviana Johnson's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Blood Banking & Transfusion Medicine, with taxonomy code 207ZB0001X.

When was this NPI record last updated?

The NPPES record for Viviana Johnson was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.