Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

RICHARD JOHN CALVERT M.D.
NPI 1306809710
Internal Medicine in Bethesda, MD

Active since April 07, 2006
8901 WISCONSIN AVE, BETHESDA, MD 20889(301) 295-0196 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Richard John Calvert M.d. NPPES

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

RICHARD JOHN CALVERT M.D. (NPI 1306809710) is an individual internal medicine provider in Bethesda, Maryland, licensed in Virginia (0101037536) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1306809710
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameRICHARD JOHN CALVERTCredential: M.D.
Location Address8901 WISCONSIN AVEBethesda, MD 20889-0001
Mailing Address12236 Galesville DrGaithersburg, MD 20878-2072 · (301) 846-1246 · Fax (310) 846-5946
Sole ProprietorNo
Enumeration DateApril 7, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1306809710 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in VA · 0101037536
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
8901 WISCONSIN AVE, Bethesda, MD 20889

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pharmacist
8901 WISCONSIN AVE
BETHESDA, MD 20889
Radiology (Diagnostic Radiology)
8901 WISCONSIN AVE
BETHESDA, MD 20889
Student in an Organized Health Care Education/Training Program
8901 WISCONSIN AVE
BETHESDA, MD 20889
Internal Medicine (Infectious Disease)
8901 WISCONSIN AVE
BETHESDA, MD 20889
General Practice
8901 WISCONSIN AVE
BETHESDA, MD 20889
Psychiatry & Neurology (Psychiatry)
8901 WISCONSIN AVE, WRNMMC, NICOE, BUILDING 51
BETHESDA, MD 20889
Physical Therapist
8901 WISCONSIN AVE
BETHESDA, MD 20889
Pediatrics
8901 WISCONSIN AVE
BETHESDA, MD 20889

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 Richard Calvert's NPI number?

The NPI number for Richard Calvert is 1306809710. It was assigned to this individual provider in the NPPES registry on April 7, 2006.

Where is Richard Calvert located?

Richard Calvert practices at 8901 Wisconsin Ave, Bethesda, MD 20889. The listed phone number is (301) 295-0196.

What is Richard Calvert's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Richard Calvert was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 days 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.