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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 W ZIMMERMANN MD
NPI 1639196322
Radiology - Diagnostic Radiology in Silver Spring, MD

Active since July 17, 2006
2121 MEDICAL PARK DRIVE, SUITE 3, SILVER SPRING, MD 20902(301) 681-3003(301) 681-5868 Get Directions Write a Review

NPPES record last updated: July 5, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Robert W Zimmermann Md NPPES

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

ROBERT W ZIMMERMANN MD (NPI 1639196322) is an individual diagnostic radiology provider in Silver Spring, Maryland, licensed in Maryland (D0011181) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1639196322
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameROBERT W ZIMMERMANNCredential: MD
Location Address2121 MEDICAL PARK DRIVE, SUITE 3Silver Spring, MD 20902
Mailing Address4718 Carr Drive, Per-se Technologies Ellie ConleyFredericksburg, VA 22408 · (540) 891-5764 · Fax (540) 891-5769
Phone(301) 681-3003
Fax(301) 681-5868
Sole ProprietorNo
Enumeration DateJuly 17, 2006
Last NPPES UpdateJuly 5, 2026
✔ NPI 1639196322 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in MD · D0011181
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
2121 MEDICAL PARK DRIVE, Silver Spring, MD 20902
Open in Google Maps ↗

Other Identifiers 3

Medicaid303691000MD
Other60234801MD · Blue Shield
Other80430003DC · Blue Shield

Other Providers at the Same Location NPPES 8

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

SAMEER A. PANDIT M.D.
Radiology (Diagnostic Radiology)
2121 MEDICAL PARK DRIVE, SUITE 3
SILVER SPRING, MD 20902
Montgomery County (301) 681-3003
WAYNE HWANG MD
Radiology (Diagnostic Radiology)
2121 MEDICAL PARK DRIVE, SUITE 3
SILVER SPRING, MD 20902
Montgomery County (301) 681-3003
STEWART B KARR MD
Radiology (Diagnostic Radiology)
2121 MEDICAL PARK DRIVE, SUITE 3
SILVER SPRING, MD 20902
Montgomery County (501) 681-3003
RYAN J ZUCKER MD
Radiology (Diagnostic Radiology)
2121 MEDICAL PARK DRIVE, SUITE 3
SILVER SPRING, MD 20902
Montgomery County (301) 681-3003
COMMUNITY RADIOLOGY ASSOCIATES INC
Radiology (Diagnostic Radiology)
2121 MEDICAL PARK DRIVE, SUITES 1 & 2
SILVER SPRING, MD 20902
Montgomery County (888) 601-3664
ARMAN C MOSHYEDI MD
Radiology (Diagnostic Radiology)
2121 MEDICAL PARK DRIVE, SUITE 3
SILVER SPRING, MD 20902
Montgomery County (301) 681-3003
ANIL K NARANG DO
Radiology (Diagnostic Radiology)
2121 MEDICAL PARK DRIVE, SUITE 3
SILVER SPRING, MD 20902
Montgomery County (301) 681-3003
CLINICAL RADIOLOGISTS MEDICAL IMAGING PA
Radiology (Diagnostic Radiology)
2121 MEDICAL PARK DRIVE, SUITE 3
SILVER SPRING, MD 20902
Montgomery County (301) 681-3003

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 Zimmermann's NPI number?

The NPI number for Robert Zimmermann is 1639196322. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Where is Robert Zimmermann located?

Robert Zimmermann practices at 2121 Medical Park Drive Suite 3, Silver Spring, MD 20902. The listed phone number is (301) 681-3003.

What is Robert Zimmermann's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

When was this NPI record last updated?

The NPPES record for Robert Zimmermann was last updated on July 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 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.