Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christopher Donovan Ortengren, MD

Urology Physician in Concord, NH · enumerated 2018.

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

National Provider Identifier

1154826402

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Registry record

Entity type Individual (Type 1)

Name Christopher Donovan Ortengren

Credential MD

Sex Male

Practice address 246 Pleasant St., Memorial Building, West, Floor 1, Concord, NH, 03301

Phone (603) 224-3388

Fax (603) 227-7536

Enumeration date Mar 28, 2018

Last updated in NPPES Aug 8, 2023

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

208800000X Urology Physician Allopathic & Osteopathic Physicians · License 24187 (NH) Primary

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

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 is the NPI number for Christopher Ortengren?

The National Provider Identifier (NPI) for Christopher Ortengren is 1154826402, a Type 1 (individual) record in the CMS NPPES registry.

Where does Christopher Ortengren practice?

The practice location on file with NPPES is in Concord, NH. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-08-08.