David Ly, OD
- Industry payments
- $165
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2012
- Practice address
- 1938 S Dobson Rd, Mesa, AZ 85202
- Practice phone
- Call (480) 894-2020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tom Sowash OD & Associates
Mesa, Arizona
Find David Ly's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
David Ly is an optometrist in Mesa, Arizona
David Ly practices at Tom Sowash OD & Associates in Mesa, Arizona.
David Ly's NPI, 1578828265, was assigned on July 9, 2012. David Ly holds Arizona license 1861.
- NPI
- 1578828265NPI Registry (opens in a new tab)
- NPI enumeration date
- July 9, 2012
- NPI status
- Active
- Practice phone
- (480) 894-2020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
David Ly practices at Tom Sowash OD & Associates in Mesa, Arizona
David Ly's primary practice is Tom Sowash OD & Associates, at 1938 S Dobson Rd, Mesa, AZ 85202 in Maricopa County. The practice phone is (480) 894-2020.
- Tom Sowash OD & Associates1938 S Dobson Rd, Mesa, AZ 85202 · Maricopa CountyPhone(480) 894-2020
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
David Ly is affiliated with 2 sites of care and 1 medical group
David Ly's primary practice is Tom Sowash OD & Associates in Mesa, Arizona. Dmand AI also links David Ly to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at David Ly's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Ly practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tom Sowash OD & Associates | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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David Ly is one of 958 optometrists in Arizona
Optometrist is David Ly's primary specialty in the NPI Registry, under taxonomy code 152W00000X. David Ly is licensed in Arizona.
Specialties and state licenses
- Optometrist, ArizonaPrimary
Optometrists near David Ly
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
David Ly's patients have a median age of 45
Across all payers, Dmand AI patient panel data puts David Ly's median patient age at 45, with 57% women.
David Ly's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women57%
- Men42%
Source: Dmand AI Patient Panel Data
David Ly received $165 in industry payments in 2025
CMS Open Payments shows 3 general payments to David Ly from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $146.
Companies that paid David Ly the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for David Ly's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about David Ly
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is David Ly's NPI number?
David Ly's NPI number is 1578828265. It was assigned on July 9, 2012, and it is active in the NPI Registry.
What does David Ly specialize in?
David Ly is an optometrist in Mesa, Arizona. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does David Ly practice?
David Ly practices at 1938 S Dobson Rd, Mesa, AZ 85202. David Ly's primary practice is Tom Sowash OD & Associates in Mesa, Arizona. Dmand AI also links David Ly to 1 group practice or clinic and 1 medical group.
What is David Ly's office phone number?
The practice phone on file for David Ly is (480) 894-2020.
What is David Ly's medical license number?
David Ly holds Arizona license 1861.
Has David Ly received payments from drug or device companies?
CMS Open Payments shows $165 in general payments to David Ly from 2 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has David Ly been practicing?
David Ly's NPI was assigned in 2012.
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