NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Terrance J Mielnicki

Clinical Social Worker in New Hartford, NY · enumerated 2006 · practices at Denise Spagnola.

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

National Provider Identifier

1790709731

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mr. Terrance J Mielnicki
Sex Male
Practice address 114 Genesee St, New Hartford, NY, 13413
Phone (315) 733-5020
Fax (315) 733-0518
Enumeration date Jul 26, 2006
Last updated in NPPES Mar 15, 2019

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License R054096-1 (NY) Primary

Other identifiers

Identifier Type State Issuer
02795760 Medicaid NY -

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

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.
What specialty is Terrance Mielnicki?
Terrance Mielnicki is registered in NPPES with the primary taxonomy of Clinical Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-03-15.