Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Marc David Nathman

Q: What is the NPI number for Marc Nathman?

The National Provider Identifier (NPI) for Marc Nathman is 1538758198, a Type 1 (individual) record in the CMS NPPES registry.

Pharmacist in Northampton, MA · enumerated 2021 · practices at The Stop & Shop Supermarket Company LLC.

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

National Provider Identifier

1538758198

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Registry record

Entity type Individual (Type 1)

Name Mr. Marc David Nathman

Sex Male

Practice address 228 King St, Northampton, MA, 01060

Phone (239) 860-1019

Fax (844) 411-6533

Enumeration date Jan 18, 2021

Last updated in NPPES Jan 18, 2021

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License PH26790 (MA) Primary

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 Marc Nathman?

The National Provider Identifier (NPI) for Marc Nathman is 1538758198, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marc Nathman practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-01-18.