John Oliver Ryan Jr., OD
- Medicare patients, 2024
- 272
- Part D claims, 2024
- 275
- Hospital affiliations
- 1
- Industry payments
- $99
- State license
- 1
- Practice address
- 200 Hospital Ave, Jefferson, NC 28640
- Practice phone
- Call (336) 246-7101
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find John Ryan'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.
John Oliver Ryan Jr. is an optometrist in Jefferson, North Carolina
John Ryan practices at Ashe Memorial Hospital in Jefferson, North Carolina, part of Ashe Memorial Hospital.
John Ryan's NPI, 1013970474, was assigned on April 7, 2006. John Ryan holds North Carolina license 1174.
- NPI
- 1013970474NPI Registry (opens in a new tab)
- NPI enumeration date
- April 7, 2006
- NPI status
- Active
- Practice phone
- (336) 246-7101
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
John Oliver Ryan Jr. practices at Ashe Memorial Hospital in Jefferson, North Carolina
John Ryan's primary practice is Ashe Memorial Hospital, at 200 Hospital Ave, Jefferson, NC 28640 in Ashe County. The practice phone is (336) 246-7101.
- Ashe Memorial Hospital200 Hospital Ave, Jefferson, NC 28640 · Ashe CountyPhone(336) 246-7101
Source: Dmand AI Affiliation Data
John Oliver Ryan Jr. is affiliated with 2 sites of care
John Ryan's primary practice is Ashe Memorial Hospital in Jefferson, North Carolina, part of Ashe Memorial Hospital. Dmand AI also links John Ryan to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John Oliver Ryan Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Ryan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ashe Memorial Hospital | Available with a free account |
| +1 more affiliated site | 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 Ashe Memorial Hospital and 6.2K+ hospitals, with verified contacts in the same login.
John Oliver Ryan Jr. is one of 1,111 optometrists in North Carolina
Optometrist is John Ryan's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Ryan is licensed in North Carolina.
Specialties and state licenses
- Optometrist, North CarolinaPrimary
Optometrists near John Ryan
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
John Oliver Ryan Jr. treated 272 Medicare patients in 2024, average age 77
CMS counts 272 Medicare patients who saw John Ryan in 2024. The largest group is 75 to 84, with 114 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Ryan's median patient age at 76, with 51% women.
John Ryan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Ryan's Medicare patients by sex, 2024
- Women15557%
- Men11743%
Chronic conditions among John Ryan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis44%
- Diabetes33%
- Chronic kidney disease23%
- Atrial fibrillation20%
- Ischemic heart disease18%
- Mood disorders16%
Share of Medicare patients with each condition. A patient can have several.
John Ryan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John Oliver Ryan Jr. wrote 275 Medicare Part D claims in 2024
In 2024, John Ryan wrote 275 Medicare Part D claims for 80 patients. 74% of them were for generic drugs.
John Ryan's Part D claims by kind of drug, 2024
- Generic203 claims74%
- Brand-name72 claims26%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
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John Oliver Ryan Jr. received $99 in industry payments in 2025
CMS Open Payments shows 2 general payments to John Ryan from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Apellis Pharmaceuticals, Inc. paid the most, $66.
Companies that paid John Ryan 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 John Oliver Ryan Jr.'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 DataDmand AI Org Hierarchy 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) |
| 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 John Oliver Ryan Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Oliver Ryan Jr.'s NPI number?
John Oliver Ryan Jr.'s NPI number is 1013970474. It was assigned on April 7, 2006, and it is active in the NPI Registry.
What does John Oliver Ryan Jr. specialize in?
John Oliver Ryan Jr. is an optometrist in Jefferson, North Carolina. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John Oliver Ryan Jr. practice?
John Ryan practices at 200 Hospital Ave, Jefferson, NC 28640. John Ryan's primary practice is Ashe Memorial Hospital in Jefferson, North Carolina, part of Ashe Memorial Hospital. Dmand AI also links John Ryan to 1 physician office.
What is John Oliver Ryan Jr.'s office phone number?
The practice phone on file for John Ryan is (336) 246-7101.
What is John Oliver Ryan Jr.'s medical license number?
John Ryan holds North Carolina license 1174.
Which hospitals is John Oliver Ryan Jr. affiliated with?
John Ryan practices at Ashe Memorial Hospital in Jefferson, North Carolina.
How many Medicare patients does John Oliver Ryan Jr. see?
CMS counts 272 Medicare patients who saw John Ryan in 2024, with an average age of 77.
Has John Oliver Ryan Jr. received payments from drug or device companies?
CMS Open Payments shows $99 in general payments to John Ryan from 2 companies from 2025 to 2025. The largest total came from Apellis Pharmaceuticals, Inc.
How long has John Oliver Ryan Jr. been practicing?
John Ryan graduated from medical school in 1974, 52 years ago.
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