Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Louis Zimmer, PH.D.
Psychologist in Roosevelt, NY · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1700893435
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Registry record
Entity type Individual (Type 1)
Name Dr. Louis Zimmer
Credential PH.D.
Sex Male
Practice address 380 Washington Ave, Psychology Dept., Roosevelt, NY, 11575
Phone (516) 378-2000
Enumeration date Aug 2, 2006
Last updated in NPPES Oct 1, 2010
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License 00011694 (NY) Primary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00011694 | Medicaid | NY | - |
| P001135586 | Other | - | RRPRV |
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
Where does Louis Zimmer practice?
The practice location on file with NPPES is in Roosevelt, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Louis Zimmer?
The National Provider Identifier (NPI) for Louis Zimmer is 1700893435, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-10-01.