Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. David B Mendelson, DO
Specialist in Tempe, AZ · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1386643567
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Registry record
Entity type Individual (Type 1)
Name Dr. David B Mendelson
Credential DO
Sex Male
Practice address 1492 S Mill Ave Ste 301, Tempe, AZ, 85281
Phone (480) 894-5550
Fax (480) 894-9469
Enumeration date Jul 19, 2005
Last updated in NPPES Aug 10, 2020
Taxonomy & licenses
207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License 3728 (AZ) Secondary
207YX0905X Otolaryngology/Facial Plastic Surgery Physician Allopathic & Osteopathic Physicians · License 3728 (AZ) Secondary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD.
About the DO credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 698251 | Medicaid | AZ | - |
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 David Mendelson practice?
The practice location on file with NPPES is in Tempe, AZ. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for David Mendelson?
The National Provider Identifier (NPI) for David Mendelson is 1386643567, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-10.