Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Anthony Mastin
Pharmacist in Flint, MI · enumerated 2026.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1285556456
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Registry record
Entity type Individual (Type 1)
Name Dr. Anthony Mastin
Sex Male
Practice address 1 Hurley Plz, Flint, MI, 48503
Phone (810) 262-9000
Enumeration date Jul 28, 2026
Last updated in NPPES Jul 28, 2026
Taxonomy & licenses
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 Anthony Mastin?
The National Provider Identifier (NPI) for Anthony Mastin is 1285556456, a Type 1 (individual) record in the CMS NPPES registry.
Where does Anthony Mastin practice?
The practice location on file with NPPES is in Flint, MI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Robert Welch Maternal & Fetal Medicine Physician · Flint, MI NPI 1578567053 Elizabeth Gale Cuevas Nurse Practitioner · Flint, MI NPI 1285617035 Epifania Aranas Specialist · Flint, MI NPI 1386622926 Brian Nolan Pediatric Critical Care Medicine Physician · Flint, MI NPI 1992783534 Ahmad Kaddurah Neurology with Special Qualifications in Child Neurology Physician · Flint, MI NPI 1376521922 Mahesh Sharman Pediatric Critical Care Medicine Physician · Flint, MI NPI 1437137064 Walid Abuhammour Specialist · Flint, MI NPI 1619955259 Aladdin Abdel-Rahman Specialist · Flint, MI NPI 1013995158
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-28.