Ryan Watari, OD
- Medicare patients, 2024
- 404
- Part D claims, 2024
- 235
- Industry payments
- $22
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 104 Meadow St, Littleton, NH 03561-4026
- Practice phone
- Call (603) 444-2592
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Littleton Eye Care Center
Eye care practice · Littleton, New Hampshire
Find Ryan Watari'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.
Ryan Watari is an optometrist in Littleton, New Hampshire
Ryan Watari practices at Littleton Eye Care Center in Littleton, New Hampshire.
Ryan Watari's NPI, 1437761731, was assigned on August 18, 2020. Ryan Watari graduated from New England College of Optometry in 2020. Ryan Watari holds New Hampshire license 0123.
- NPI
- 1437761731NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496174153
- NPI enumeration date
- August 18, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 444-2592
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Ryan Watari practices at Littleton Eye Care Center in Littleton, New Hampshire
Ryan Watari's primary practice is Littleton Eye Care Center, at 104 Meadow St, Littleton, NH 03561-4026. The practice phone is (603) 444-2592.
- Littleton Eye Care Center104 Meadow St, Littleton, NH 03561-4026Phone(603) 444-2592
Source: Dmand AI Affiliation Data
Ryan Watari is affiliated with 1 site of care and 1 medical group
Ryan Watari's primary practice is Littleton Eye Care Center in Littleton, New Hampshire. Dmand AI also links Ryan Watari to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Ryan Watari's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ryan Watari practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Littleton Eye Care Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Ryan Watari is one of 211 optometrists in New Hampshire
Optometrist is Ryan Watari's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Ryan Watari is licensed in New Hampshire.
Specialties and state licenses
- Optometrist, New HampshirePrimary
Optometrists near Ryan Watari
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
Ryan Watari treated 404 Medicare patients in 2024, average age 72
CMS counts 404 Medicare patients who saw Ryan Watari in 2024. The largest group is 65 to 74, with 220 patients. 61% of them have high cholesterol, and 60% have high blood pressure. 15% are also on Medicaid. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Ryan Watari's median patient age at 70, with 57% women.
Ryan Watari's Medicare patients by age, 2024
Ryan Watari's Medicare patients by sex, 2024
- Women21653%
- Men18847%
Chronic conditions among Ryan Watari's Medicare patients, 2024
- High cholesterol61%
- High blood pressure60%
- Arthritis31%
- Diabetes24%
- Mood disorders21%
- Anxiety20%
- Depression18%
- Ischemic heart disease15%
Share of Medicare patients with each condition. A patient can have several.
Ryan Watari's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Ryan Watari wrote 235 Medicare Part D claims in 2024
In 2024, Ryan Watari wrote 235 Medicare Part D claims for 71 patients. 43% of them were for generic drugs.
Ryan Watari's Part D claims by kind of drug, 2024
- Generic101 claims43%
- Brand-name134 claims57%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Ryan Watari takes part in Medicare
Ryan Watari 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Ryan Watari received $22 in industry payments in 2025
CMS Open Payments shows 1 general payment to Ryan Watari from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $22.
Companies that paid Ryan Watari the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Ryan Watari graduated from New England College of Optometry
Ryan Watari graduated from New England College of Optometry in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Ryan Watari'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Part D prescribing | Medicare Part D Prescribers - 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Ryan Watari
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ryan Watari's NPI number?
Ryan Watari's NPI number is 1437761731. It was assigned on August 18, 2020, and it is active in the NPI Registry.
What does Ryan Watari specialize in?
Ryan Watari is an optometrist in Littleton, New Hampshire. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Ryan Watari practice?
Ryan Watari practices at 104 Meadow St, Littleton, NH 03561-4026. Ryan Watari's primary practice is Littleton Eye Care Center in Littleton, New Hampshire. Dmand AI also links Ryan Watari to 1 medical group.
What is Ryan Watari's office phone number?
The practice phone on file for Ryan Watari is (603) 444-2592.
What is Ryan Watari's medical license number?
Ryan Watari holds New Hampshire license 0123.
Does Ryan Watari accept Medicare?
Yes. CMS lists Ryan Watari as accepting Medicare assignment.
How many Medicare patients does Ryan Watari see?
CMS counts 404 Medicare patients who saw Ryan Watari in 2024, with an average age of 72.
Where did Ryan Watari go to medical school?
Ryan Watari graduated from New England College of Optometry in 2020.
Has Ryan Watari received payments from drug or device companies?
CMS Open Payments shows $22 in general payments to Ryan Watari from 1 company from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Ryan Watari been practicing?
Ryan Watari graduated from medical school in 2020, 6 years ago.
Selling to optometrist practices?
See optometrists in New Hampshire by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card