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DR. CALLUM DOUGLAS DEWAR
NPI 1225665953
General Practice in Bethesda, MD

Active since March 24, 2020
8901 ROCKVILLE PIKE, BETHESDA, MD 20889(301) 295-4000 Get Directions Write a Review

NPPES record last updated: August 8, 2023. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 8, 2023, Mar 24, 2020 (2 updates tracked since 2020).

About Dr. Callum Douglas Dewar NPPES

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

DR. CALLUM DOUGLAS DEWAR (NPI 1225665953) is an individual general practice provider in Bethesda, Maryland, licensed in Maryland (1225665953) and active in the NPI registry since March 2020.

NPPES Registry Identity

NPI1225665953
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameDR. CALLUM DOUGLAS DEWAR
Location Address8901 ROCKVILLE PIKEBethesda, MD 20889-0001
Mailing Address8901 Rockville PikeBethesda, MD 20889-0001
Phone(301) 295-4000
Sole ProprietorNo
Enumeration DateMarch 24, 2020
Last NPPES UpdateAugust 8, 20232 updates tracked since enumeration
NPPES CertifiedAugust 8, 2023
✔ NPI 1225665953 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in MD · 1225665953
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
8901 ROCKVILLE PIKE, Bethesda, MD 20889
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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.

DR. LIESL SHOCKLEY GRENIER M.D.
Dermatology (Dermatopathology)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
MEGAN JUDITH LENIHAN MD
Surgery
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
JOHNS HOPKINS UNIVERSITY
Internal Medicine (Endocrinology, Diabetes & Metabolism)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 400-1382
NATASHA ANTONY MD
Obstetrics & Gynecology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4600
MATTHEW NICHOLAS RIBEIRO MD
Anesthesiology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4000
MR. ANDREW JOSEPH ULLMANN JR. DO
Internal Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (908) 635-6978
BRYCE TANNER GARDNER DMD
Military Health Care Provider
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4340
PARESH RAM PATEL MD
Emergency Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Montgomery County (301) 295-4810

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 Callum Dewar's NPI number?

The NPI number for Callum Dewar is 1225665953. It was assigned to this individual provider in the NPPES registry on March 24, 2020.

Where is Callum Dewar located?

Callum Dewar practices at 8901 Rockville Pike, Bethesda, MD 20889. The listed phone number is (301) 295-4000.

What is Callum Dewar's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

When was this NPI record last updated?

The NPPES record for Callum Dewar was last updated on August 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.