Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Stephen Michael Ziff, PSYCHOLOGIST, MFT
Psychologist in Saint Paul, MN · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1548355738
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Registry record
Entity type Individual (Type 1)
Name Mr. Stephen Michael Ziff
Credential PSYCHOLOGIST, MFT
Sex Male
Practice address 2550 University Avenue West, Suite 310n, Saint Paul, MN, 55114
Phone (651) 379-5157
Fax (651) 379-5159
Enumeration date Oct 4, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 498P121 | Other | MN | BLUE CROSS INS |
| HP64460 | Other | MN | HEALTH PARTNERS INS |
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.
Frequently asked questions
What is the NPI number for Stephen Ziff?
The National Provider Identifier (NPI) for Stephen Ziff is 1548355738, a Type 1 (individual) record in the CMS NPPES registry.
Where does Stephen Ziff practice?
The practice location on file with NPPES is in Saint Paul, MN. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Nicolle Lande Physician Assistant · St Paul, MN NPI 1881671162 Craig Vine Psychiatry Physician · St Paul, MN NPI 1164400495 Bonnie Resnick Clinical Psychologist · St. Paul, MN NPI 1942233663 John Williams Psychologist · St Paul, MN NPI 1376600742 Christy Estlund Hearing Instrument Specialist · St. Paul, MN NPI 1548081318
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.