Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Robert J Sher, MD

Urology Physician in Rockville, MD · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1932118098

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Registry record

Entity type Individual (Type 1)

Name Robert J Sher

Credential MD

Sex Male

Practice address 9420 Key West Ave., #420, Rockville, MD, 20850

Phone (301) 258-1919

Fax (301) 258-9180

Enumeration date Aug 7, 2006

Last updated in NPPES Sep 8, 2017

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License D0026588 (MD) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
150151800	Medicaid	MD	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Robert Sher?

Robert Sher is registered in NPPES with the primary taxonomy of Urology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-09-08.