Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Madelyn Popkin

Midwife in Boston, MA · enumerated 2023.

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

National Provider Identifier

1851163828

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Registry record

Entity type Individual (Type 1)

Name Madelyn Popkin

Sex Female

Practice address 10 Elmore Street, Boston, MA, 02119

Phone (973) 525-4206

Enumeration date Oct 24, 2023

Last updated in NPPES Oct 24, 2023

Taxonomy & licenses

176B00000X Midwife Other Service Providers 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 Madelyn Popkin?

The National Provider Identifier (NPI) for Madelyn Popkin is 1851163828, a Type 1 (individual) record in the CMS NPPES registry.

Where does Madelyn Popkin practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-10-24.