Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Diane Nachamkin, NP

Nurse Practitioner in Bryn Mawr, PA · enumerated 2006.

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

National Provider Identifier

1396846978

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Registry record

Entity type Individual (Type 1)

Name Diane Nachamkin

Credential NP

Sex Female

Practice address 830 Old Lancaster Rd, Ste 105n, Bryn Mawr, PA, 19010

Phone (610) 527-1165

Fax (610) 527-6611

Enumeration date Sep 26, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN251489L (PA) Primary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License VP004015P (PA) Secondary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP 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 Diane Nachamkin?

The National Provider Identifier (NPI) for Diane Nachamkin is 1396846978, a Type 1 (individual) record in the CMS NPPES registry.

Where does Diane Nachamkin practice?

The practice location on file with NPPES is in Bryn Mawr, PA. 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 2007-07-08.