Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary A Zimmerman, CNM

Midwife in Christiana, PA · enumerated 2021.

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

National Provider Identifier

1982378196

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Registry record

Entity type Individual (Type 1)

Name Mary A Zimmerman

Credential CNM

Sex Female

Practice address 1138 Georgetown Rd, Christiana, PA, 17509

Phone (717) 786-5506

Fax (717) 786-4011

Enumeration date Aug 3, 2021

Last updated in NPPES Aug 3, 2021

Taxonomy & licenses

176B00000X Midwife Other Service Providers · License MW010469 (PA) Primary

CNM · Certified Nurse Midwife: An advanced practice nurse specializing in pregnancy, childbirth, and reproductive care. About the CNM 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

How do I verify Mary Zimmerman's NPI record?

Cross-check NPI 1982378196 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1982378196 active?

Yes, as of the latest NPPES snapshot, NPI 1982378196 is active (record last updated 2021-08-03).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-08-03.