David Day, MD
NPI 1093722878 · Ophthalmology Physician · Tucson, AZ
David Day, MD is a Ophthalmology Physician provider in Tucson, AZ (NPI 1093722878).
Provider details
- NPI number
- 1093722878
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- E1703 (AR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-02
- Last updated
- 2011-02-22
Frequently asked questions
- What is David Day's NPI number?
- David Day's National Provider Identifier (NPI) is 1093722878, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Day's specialty?
- David Day is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is David Day located?
- David Day's practice location on file with NPPES is 1500 N Wilmot Rd, Tucson, AZ 85712-4416.
- What is David Day's phone number?
- The practice phone number listed in the NPPES registry for David Day is (520) 777-3777.
- Is David Day's NPI active?
- Yes — David Day's NPI (1093722878) is active in the NPPES registry as of the last update on 2011-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.