Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Jennifer Chaffin, M.D.
Psychiatry Physician in Gilbert, AZ · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639370018
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Registry record
Entity type Individual (Type 1)
Name Dr. Jennifer Chaffin
Credential M.D.
Sex Female
Practice address 1525 S Higley Rd # 104-161, Gilbert, AZ, 85296
Phone (314) 882-8123
Fax (480) 988-0102
Enumeration date May 31, 2007
Last updated in NPPES Nov 30, 2022
Taxonomy & licenses
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care · License 2004016368 (MO) Secondary
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
What is the NPI number for Jennifer Chaffin?
The National Provider Identifier (NPI) for Jennifer Chaffin is 1639370018, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jennifer Chaffin practice?
The practice location on file with NPPES is in Gilbert, AZ. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-11-30.