Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. David Litoff, M.D.
Ophthalmology Physician in Mesa, AZ · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1720165939
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Registry record
Entity type Individual (Type 1)
Name Dr. David Litoff
Credential M.D.
Sex Male
Practice address 220 S 63rd St, Mesa, AZ, 85206
Phone (480) 641-3937
Fax (480) 924-5094
Enumeration date Nov 1, 2006
Last updated in NPPES Jul 16, 2026
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 David Litoff practice?
The practice location on file with NPPES is in Mesa, AZ. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for David Litoff?
The National Provider Identifier (NPI) for David Litoff is 1720165939, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Amy Crump Optometrist · Mesa, AZ NPI 1881673150 Swagel-Wootton Eye Center, Inc Clinic/Center · Mesa, AZ NPI 1063484459 Wendy Wootton Ophthalmology Physician · Mesa, AZ NPI 1558333740 James Hiatt Ophthalmology Physician · Mesa, AZ NPI 1467424655 Swagel-Wootton Eye Center, Inc Ambulatory Surgical Clinic/Center · Mesa, AZ NPI 1659343648 Swagel-Wootton Eye Center, Inc Eyewear Supplier · Mesa, AZ NPI 1295749091 Kathleen Vize Optometrist · Mesa, AZ NPI 1952406787 James Grubbs Certified Registered Nurse Anesthetist · Mesa, AZ NPI 1639255037
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-16.