Ryan Gregory Felten, OD
- Medicare patients, 2024
- 95
- Part D claims, 2024
- 76
- Industry payments
- $215
- Affiliated sites
- 4
- Medical groups
- 4
- Practice address
- 16429 N Tatum Blvd, Phoenix, AZ 85032-3458
- Practice phone
- Call (480) 889-6044
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tatum Eyecare
Eye care practice · Phoenix, Arizona
Find Ryan Felten'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 Gregory Felten is an optometrist in Phoenix, Arizona
Ryan Felten practices at Tatum Eyecare in Phoenix, Arizona.
Ryan Felten's NPI, 1407239254, was assigned on June 29, 2015. Ryan Felten holds Arizona license 2052.
- NPI
- 1407239254NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769796184
- NPI enumeration date
- June 29, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (480) 889-6044
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Ryan Gregory Felten practices at Tatum Eyecare in Phoenix, Arizona
Ryan Felten's primary practice is Tatum Eyecare, at 16429 N Tatum Blvd, Phoenix, AZ 85032-3458. The practice phone is (480) 889-6044.
- Tatum Eyecare16429 N Tatum Blvd, Phoenix, AZ 85032-3458Phone(480) 889-6044
Source: Dmand AI Affiliation Data
Ryan Gregory Felten is affiliated with 4 sites of care and 4 medical groups
Ryan Felten's primary practice is Tatum Eyecare in Phoenix, Arizona. Dmand AI also links Ryan Felten to 4 medical groups and 3 group practices and clinics, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Ryan Gregory Felten's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ryan Felten practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tatum Eyecare | Available with a free account |
| +3 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Ryan Gregory Felten is one of 958 optometrists in Arizona
Optometrist is Ryan Felten's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Ryan Felten is licensed in Arizona.
Specialties and state licenses
- Optometrist, ArizonaPrimary
Optometrists near Ryan Felten
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 Gregory Felten treated 95 Medicare patients in 2024, average age 75
CMS counts 95 Medicare patients who saw Ryan Felten in 2024. The largest group is 65 to 74, with 46 patients. 75% of them have high cholesterol, and 61% have high blood pressure. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Ryan Felten's median patient age at 72, with 65% women.
Ryan Felten's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Ryan Felten's Medicare patients by sex, 2024
- Women5962%
- Men3638%
Chronic conditions among Ryan Felten's Medicare patients, 2024
- High cholesterol75%
- High blood pressure61%
- Arthritis48%
- Diabetes25%
- Anxiety24%
- Chronic kidney disease22%
- Ischemic heart disease22%
- Mood disorders19%
Share of Medicare patients with each condition. A patient can have several.
Ryan Felten's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women65%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Ryan Gregory Felten wrote 76 Medicare Part D claims in 2024
In 2024, Ryan Felten wrote 76 Medicare Part D claims for 23 patients. 53% of them were for generic drugs.
Ryan Felten's Part D claims by kind of drug, 2024
- Generic40 claims53%
- Brand-name36 claims47%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Ryan Gregory Felten takes part in Medicare
Ryan Felten 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)
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Ryan Gregory Felten received $215 in industry payments in 2025
CMS Open Payments shows 10 general payments to Ryan Felten from 7 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Sun Pharmaceutical Industries Inc. paid the most, $67.
Companies that paid Ryan Felten 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 Ryan Gregory Felten'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) |
| 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 Gregory Felten
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 Gregory Felten's NPI number?
Ryan Gregory Felten's NPI number is 1407239254. It was assigned on June 29, 2015, and it is active in the NPI Registry.
What does Ryan Gregory Felten specialize in?
Ryan Gregory Felten is an optometrist in Phoenix, Arizona. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Ryan Gregory Felten practice?
Ryan Felten practices at 16429 N Tatum Blvd, Phoenix, AZ 85032-3458. Ryan Felten's primary practice is Tatum Eyecare in Phoenix, Arizona. Dmand AI also links Ryan Felten to 4 medical groups and 3 group practices and clinics.
What is Ryan Gregory Felten's office phone number?
The practice phone on file for Ryan Felten is (480) 889-6044.
What is Ryan Gregory Felten's medical license number?
Ryan Felten holds Arizona license 2052.
Does Ryan Gregory Felten accept Medicare?
Yes. CMS lists Ryan Felten as accepting Medicare assignment.
How many Medicare patients does Ryan Gregory Felten see?
CMS counts 95 Medicare patients who saw Ryan Felten in 2024, with an average age of 75.
Has Ryan Gregory Felten received payments from drug or device companies?
CMS Open Payments shows $215 in general payments to Ryan Felten from 7 companies from 2025 to 2025. The largest total came from Sun Pharmaceutical Industries Inc.
How long has Ryan Gregory Felten been practicing?
Ryan Felten graduated from medical school in 2015, 11 years ago.
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