Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John R Ferrari, OD
Optometrist in Folsom, PA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1154359057
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Registry record
Entity type Individual (Type 1)
Name Dr. John R Ferrari
Credential OD
Sex Male
Practice address 145 Macdade Blvd, Folsom, PA, 19033
Phone (610) 534-1121
Fax (610) 534-1122
Enumeration date Jun 29, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0632034 | Medicaid | PA | - |
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 John Ferrari practice?
The practice location on file with NPPES is in Folsom, PA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Ferrari?
The National Provider Identifier (NPI) for John Ferrari is 1154359057, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.