Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Reshma P. Duffy, MD

Q: What is the NPI number for Reshma Duffy?

The National Provider Identifier (NPI) for Reshma Duffy is 1588821615, a Type 1 (individual) record in the CMS NPPES registry.

Vascular Surgery Physician in Concord, NH · enumerated 2008.

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

National Provider Identifier

1588821615

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Registry record

Entity type Individual (Type 1)

Name Reshma P. Duffy

Credential MD

Sex Female

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

Phone (603) 415-6400

Fax (603) 227-7595

Enumeration date May 16, 2008

Last updated in NPPES Jul 17, 2020

Taxonomy & licenses

2086S0129X Vascular Surgery Physician Allopathic & Osteopathic Physicians · License 18358 (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

Where does Reshma Duffy practice?

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

What is the NPI number for Reshma Duffy?

The National Provider Identifier (NPI) for Reshma Duffy is 1588821615, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-07-17.