Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ian Diskin

Professional Counselor in Phoenixville, PA · enumerated 2016.

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

National Provider Identifier

1598119836

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Registry record

Entity type Individual (Type 1)

Name Ian Diskin

Sex Male

Practice address 1041 W Bridge St, Phoenixville, PA, 19460

Phone (610) 933-8110

Fax (610) 933-7451

Enumeration date Apr 22, 2016

Last updated in NPPES Apr 22, 2016

Taxonomy & licenses

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License PC008322 (PA) Primary

Other identifiers

Identifier	Type	State	Issuer
PC008322	Other	PA	COMMONWEALTH OF PENNSYLVANIA

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 specialty is Ian Diskin?

Ian Diskin is registered in NPPES with the primary taxonomy of Professional Counselor. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-04-22.