Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Ronald Stuart Holzman, MD
Specialist in Hicksville, NY · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1578504312
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Registry record
Entity type Individual (Type 1)
Name Dr. Ronald Stuart Holzman
Credential MD
Sex Male
Practice address 560 S Broadway, Hicksville, NY, 11801
Phone (516) 937-2233
Fax (516) 822-4167
Enumeration date Jun 10, 2006
Last updated in NPPES Jun 11, 2010
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 01978078 | Medicaid | NY | - |
| 10497954 | Other | NY | CAQH |
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 Ronald Holzman?
The National Provider Identifier (NPI) for Ronald Holzman is 1578504312, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ronald Holzman practice?
The practice location on file with NPPES is in Hicksville, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-06-11.