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

ROBERT LOUIS HANDWERGER M.D.
NPI 1669440475
Specialist in Annapolis, MD

Active since March 08, 2006
600 RIDGELY AVE, SUITE 123, ANNAPOLIS, MD 21401(410) 224-3614(410) 224-5936 Get Directions Write a Review

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

About Robert Louis Handwerger M.d. NPPES

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

ROBERT LOUIS HANDWERGER M.D. (NPI 1669440475) is an individual specialist in Annapolis, Maryland, licensed in Maryland (D0008904) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1669440475
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameROBERT LOUIS HANDWERGERCredential: M.D.
Location Address600 RIDGELY AVE, SUITE 123Annapolis, MD 21401-1001
Mailing Address600 Ridgely Ave, Suite 120Annapolis, MD 21401-1001 · (410) 224-7795 · Fax (410) 224-5826
Phone(410) 224-3614
Fax(410) 224-5936
Sole ProprietorNo
Enumeration DateMarch 8, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1669440475 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in MD · D0008904
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
600 RIDGELY AVE, Annapolis, MD 21401
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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.

SHAOQING ZHOU MD
Urology
600 RIDGELY AVE
ANNAPOLIS, MD 21401
Anne Arundel County (410) 266-8049
DR. KATHRYN JOAN EHMANN DDS
Dentist (General Practice)
600 RIDGELY AVE, SUITE 217
ANNAPOLIS, MD 21401
Anne Arundel County (410) 224-1105
DR. ROBERT CLEAVELAND MOORE M.D.
Surgery
600 RIDGELY AVE, SUITE222
ANNAPOLIS, MD 21401
Anne Arundel County (410) 266-5084
DR. RUTH KANOW WEINSTEIN PH.D.
Psychologist (Clinical)
600 RIDGELY AVE, SUITE 210
ANNAPOLIS, MD 21401
Anne Arundel County (410) 266-8555
SUSAN PARKHILL MACVEAN LCSW-C
Social Worker (Clinical)
600 RIDGELY AVE, SUITE 210
ANNAPOLIS, MD 21401
Anne Arundel County (410) 571-6780
CHESAPEAKE OPEN MRI L L C
Radiology (Diagnostic Radiology)
600 RIDGELY AVE, SUITE 100
ANNAPOLIS, MD 21401
Anne Arundel County (410) 266-9715
MARA R. HOLTON MD
Urology
600 RIDGELY AVE, SUITE 130
ANNAPOLIS, MD 21401
Anne Arundel County (410) 246-8049
ROBERT B. MEEK, III, M.D.PA.
Specialist
600 RIDGELY AVE, SUITE 110
ANNAPOLIS, MD 21401
Anne Arundel County (410) 573-9191

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 Robert Handwerger's NPI number?

The NPI number for Robert Handwerger is 1669440475. It was assigned to this individual provider in the NPPES registry on March 8, 2006.

Where is Robert Handwerger located?

Robert Handwerger practices at 600 Ridgely Ave Suite 123, Annapolis, MD 21401. The listed phone number is (410) 224-3614.

What is Robert Handwerger's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for Robert Handwerger 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 46 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.