Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Rainey Johnson, MD

Individual provider Internal Medicine Physician · NPI 1427443571

Dr. William Rainey Johnson, MD is a Cardiovascular Disease (Cardiology) in Bethesda, Maryland. Graduated from Perelman School of Med at the University of Pennsylvania in 2015, 11 years ago. Practices with Centra Medical Group LLC, a 717-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
11
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
VA
In the registry since
2015
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

8901 Wisconsin Ave Bldg 19 Rm 3607
Bethesda, MD 20889-0004
Phone: (301) 295-0451
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 0101268523 (VA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 0101268523 (VA)

Record details

NPI number1427443571
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 4, 2015
Last updated in NPPESJune 11, 2026
Certification dateJune 11, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 2015 (11 years in practice)
Group practice Centra Medical Group Llc — 717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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