NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Stuart Greif Psy D

Clinical Psychologist in Lakeland, FL · enumerated 2007 · authorized official Stuart Greif, Owner.

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

National Provider Identifier

1255541009

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Stuart Greif Psy D
Practice address 6700 S Florida Ave, Ste 13, Lakeland, FL, 33813
Phone (863) 293-3909
Fax (863) 293-1909
Enumeration date May 23, 2007
Last updated in NPPES Aug 22, 2020

Taxonomy & classification

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License PY3817 (FL) Primary

Authorized official

Name Stuart Greif
Title Owner
Phone (863) 293-3909

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

Who is the authorized official for Stuart Greif Psy D?
NPPES lists Stuart Greif (Owner) as the authorized official for this organization.
What is the NPI number for Stuart Greif Psy D?
The NPI for Stuart Greif Psy D is 1255541009, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.