Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Yvette Youssef, MD

Internal Medicine Physician in Stratham, NH · enumerated 2006.

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

National Provider Identifier

1124095500

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Registry record

Entity type Individual (Type 1)

Name Yvette Youssef

Credential MD

Sex Female

Practice address 118 Portsmouth Avenue, Mill Brook Office Park, Stratham, NH, 03885

Phone (603) 772-7764

Fax (603) 775-0377

Enumeration date Mar 3, 2006

Last updated in NPPES Jan 23, 2017

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 9690 (NH) 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
0105105YPNH01	Other	NH	ANTHEM
020473740	Other	NH	HEALTHCARE VALUE MANAGEME
AA13244	Other	NH	HARVARD PILGRIM
020473740	Other	NH	TRICARE
020473740	Other	NH	UNITED HEALTHCARE
30009969	Medicaid	NH	-
110193507	Other	NH	RAILROAD MEDICARE
2316164	Other	NH	AETNA
020473740	Other	NH	HUMANA CHOICE CARE NETWOR
020473740	Other	NH	GREAT WEST HEALTHCARE
295843	Other	NH	CIGNA
020473740	Other	NH	PRIVATE HEALTHCARE SYSTEM

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 Yvette Youssef?

Yvette Youssef is registered in NPPES with the primary taxonomy of Internal Medicine 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.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-01-23.