Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John V Deguzman, MD
Specialist in Phoenix, AZ · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1558347153
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Registry record
Entity type Individual (Type 1)
Name Dr. John V Deguzman
Credential MD
Sex Male
Practice address 4400 N 32nd St, Suite 140, Phoenix, AZ, 85018
Phone (602) 258-4018
Enumeration date Dec 16, 2005
Last updated in NPPES Jan 29, 2008
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 |
|---|---|---|---|
| 22208 | Other | AZ | STATE LICENSE |
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 Deguzman practice?
The practice location on file with NPPES is in Phoenix, AZ. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Deguzman?
The National Provider Identifier (NPI) for John Deguzman is 1558347153, 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 2008-01-29.