Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. James Matthew Weiss, M.D.

Orthopaedic Surgery Physician in Germantown, MD · enumerated 2005 · practices at James, M. Weiss, MD.

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

National Provider Identifier

1942201686

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Registry record

Entity type Individual (Type 1)

Name Dr. James Matthew Weiss

Credential M.D.

Sex Male

Practice address 13211 Executive Park Ter, Germantown, MD, 20874

Phone (301) 540-4791

Fax (301) 540-0617

Enumeration date Aug 3, 2005

Last updated in NPPES Aug 30, 2016

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License D0044709 (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
2054352	Other	MD	MAMSI INDIVIDUAL PROV #
719742	Other	MD	CIGNA INDIVIDUAL PROV #
215352	Other	MD	OPTIMUM CHOICE IND PROV #
75863601	Other	MD	BSMD INDIVIDUAL PROV #
2154352	Other	MD	MDIPA INDIVIDUAL PROV #
9070 0031	Other	MD	BSDC INDIVIDUAL PROV #
521186611	Other	MD	UNITED INDIVIDUAL PROV #

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.

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Frequently asked questions

What specialty is James Weiss?

James Weiss is registered in NPPES with the primary taxonomy of Orthopaedic Surgery 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.

Other providers at this practice address

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James, M. Weiss, MD Non-Pharmacy Dispensing Site · Germantown, MD NPI 1205378742

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-08-30.