Douglas Leonard Cassidy, OD
- Medicare patients, 2024
- 15
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 8614 Westwood Center Dr, Vienna, VA 22182
- Practice phone
- Call (757) 259-6823
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Myeyedr.
Vienna, Virginia
Find Douglas Cassidy'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.
Douglas Leonard Cassidy is an optometrist in Vienna, Virginia
Douglas Cassidy practices at Myeyedr. in Vienna, Virginia.
Douglas Cassidy's NPI, 1649347600, was assigned on November 28, 2006. Douglas Cassidy holds Virginia license 0618001111.
- NPI
- 1649347600NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163859638
- NPI enumeration date
- November 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (757) 259-6823
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Douglas Leonard Cassidy practices at Myeyedr. in Vienna, Virginia
Douglas Cassidy's primary practice is Myeyedr., at 8614 Westwood Center Dr, Vienna, VA 22182 in Fairfax County. The practice phone is (757) 259-6823.
- Myeyedr.8614 Westwood Center Dr, Vienna, VA 22182 · Fairfax CountyPhone(757) 259-6823
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Douglas Leonard Cassidy is affiliated with 2 sites of care and 1 medical group
Douglas Cassidy's primary practice is Myeyedr. in Vienna, Virginia. Dmand AI also links Douglas Cassidy 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 Douglas Leonard Cassidy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Douglas Cassidy practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Myeyedr. | 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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Douglas Leonard Cassidy is one of 2,487 optometrists in Virginia
Optometrist is Douglas Cassidy's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Douglas Cassidy is licensed in Virginia.
Specialties and state licenses
- Optometrist, VirginiaPrimary
Optometrists near Douglas Cassidy
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
Douglas Leonard Cassidy treated 15 Medicare patients in 2024, average age 74
CMS counts 15 Medicare patients who saw Douglas Cassidy in 2024. 75% of them have high cholesterol. Their average risk score is 0.72, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Douglas Cassidy's median patient age at 65, with 62% women.
Chronic conditions among Douglas Cassidy's Medicare patients, 2024
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Douglas Cassidy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Douglas Leonard Cassidy takes part in Medicare
Douglas Cassidy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Douglas Leonard Cassidy'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Douglas Leonard Cassidy
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Douglas Leonard Cassidy's NPI number?
Douglas Leonard Cassidy's NPI number is 1649347600. It was assigned on November 28, 2006, and it is active in the NPI Registry.
What does Douglas Leonard Cassidy specialize in?
Douglas Leonard Cassidy is an optometrist in Vienna, Virginia. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Douglas Leonard Cassidy practice?
Douglas Cassidy practices at 8614 Westwood Center Dr, Vienna, VA 22182. Douglas Cassidy's primary practice is Myeyedr. in Vienna, Virginia. Dmand AI also links Douglas Cassidy to 1 group practice or clinic and 1 medical group.
What is Douglas Leonard Cassidy's office phone number?
The practice phone on file for Douglas Cassidy is (757) 259-6823.
What is Douglas Leonard Cassidy's medical license number?
Douglas Cassidy holds Virginia license 0618001111.
Does Douglas Leonard Cassidy accept Medicare?
Yes. CMS lists Douglas Cassidy as accepting Medicare assignment.
How many Medicare patients does Douglas Leonard Cassidy see?
CMS counts 15 Medicare patients who saw Douglas Cassidy in 2024, with an average age of 74.
How long has Douglas Leonard Cassidy been practicing?
Douglas Cassidy graduated from medical school in 1980, 46 years ago.
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