Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Amy Tun, M.D.
Pediatrics Physician in Fremont, CA · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1861718801
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Registry record
Entity type Individual (Type 1)
Name Amy Tun
Credential M.D.
Sex Female
Practice address 39500 Fremont Blvd, Suite 100, Fremont, CA, 94538
Phone (510) 248-1800
Fax (510) 797-0523
Enumeration date Apr 15, 2010
Last updated in NPPES Dec 16, 2021
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
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 Amy Tun practice?
The practice location on file with NPPES is in Fremont, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Amy Tun?
The National Provider Identifier (NPI) for Amy Tun is 1861718801, 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 2021-12-16.