Richard Ryan Dennison, CNP
- Medicare patients, 2024
- 99
- Part D claims, 2024
- 1,178
- Hospital affiliations
- 2
- Industry payments
- $256
- Medical group
- 1
- Practice address
- 100 Jackson Pike, Gallipolis, OH 45631
- Practice phone
- Call (740) 446-5030
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Richard Dennison'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.
Richard Ryan Dennison is a nurse practitioner in Gallipolis, Ohio
Richard Dennison practices at Holzer Gallipolis in Gallipolis, Ohio, part of Holzer Health System.
Richard Dennison's NPI, 1881340180, was assigned on February 24, 2022. Richard Dennison holds Ohio license F12210865.
- NPI
- 1881340180NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496141210
- NPI enumeration date
- February 24, 2022
- NPI status
- Active
- Practice phone
- (740) 446-5030
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Richard Ryan Dennison practices at Holzer Gallipolis in Gallipolis, Ohio
Richard Dennison's primary practice is Holzer Gallipolis, at 100 Jackson Pike, Gallipolis, OH 45631 in Gallia County. The practice phone is (740) 446-5030.
- Holzer Gallipolis100 Jackson Pike, Gallipolis, OH 45631 · Gallia CountyPhone(740) 446-5030
Source: Dmand AI Affiliation Data
Richard Ryan Dennison is affiliated with 2 sites of care and 1 medical group
Richard Dennison's primary practice is Holzer Gallipolis in Gallipolis, Ohio, part of Holzer Health System. Richard Dennison is also affiliated with Holzer Medical Center - Jackson. The medical group on file is Holzer Health System.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Richard Ryan Dennison's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Richard Dennison practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Holzer Gallipolis | 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 Holzer Health System and 6.2K+ hospitals, with verified contacts in the same login.
Richard Ryan Dennison is one of 3,389 nurse practitioners in Ohio
Nurse practitioner is Richard Dennison's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Richard Dennison is licensed in Ohio.
Specialties and state licenses
- Nurse practitioner, OhioPrimary
Nurse practitioners near Richard Dennison
Counts of nurse practitioners 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
Richard Ryan Dennison treated 99 Medicare patients in 2024, average age 68
CMS counts 99 Medicare patients who saw Richard Dennison in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 34% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Richard Dennison's median patient age at 49, with 58% women.
Richard Dennison's Medicare patients by age, 2024
Richard Dennison's Medicare patients by sex, 2024
- Women6162%
- Men3838%
Chronic conditions among Richard Dennison's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis51%
- Anxiety34%
- Diabetes31%
- Mood disorders26%
- Chronic kidney disease24%
- Depression22%
Share of Medicare patients with each condition. A patient can have several.
Richard Dennison's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Richard Ryan Dennison wrote 1,178 Medicare Part D claims in 2024
In 2024, Richard Dennison wrote 1,178 Medicare Part D claims for 240 patients. 88% of them were for generic drugs.
Richard Dennison's Part D claims by kind of drug, 2024
- Generic1,036 claims88%
- Brand-name and other142 claims12%
Drug classes CMS tracks in Richard Dennison's Part D claims, 2024
- Opioids3%34 of 1,178 claims
- Antibiotics12%144 of 1,178 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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.
Richard Ryan Dennison received $256 in industry payments in 2025
CMS Open Payments shows 17 general payments to Richard Dennison from 9 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $75.
Companies that paid Richard Dennison 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 Richard Ryan Dennison'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 Richard Ryan Dennison
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Richard Ryan Dennison's NPI number?
Richard Ryan Dennison's NPI number is 1881340180. It was assigned on February 24, 2022, and it is active in the NPI Registry.
What does Richard Ryan Dennison specialize in?
Richard Ryan Dennison is a nurse practitioner in Gallipolis, Ohio. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Richard Ryan Dennison practice?
Richard Dennison practices at 100 Jackson Pike, Gallipolis, OH 45631. Richard Dennison's primary practice is Holzer Gallipolis in Gallipolis, Ohio, part of Holzer Health System.
What is Richard Ryan Dennison's office phone number?
The practice phone on file for Richard Dennison is (740) 446-5030.
What is Richard Ryan Dennison's medical license number?
Richard Dennison holds Ohio license F12210865.
Which hospitals is Richard Ryan Dennison affiliated with?
Richard Dennison practices at Holzer Gallipolis in Gallipolis, Ohio. Richard Dennison is also affiliated with Holzer Medical Center - Jackson.
What medical group is Richard Ryan Dennison part of?
Richard Dennison is linked to Holzer Health System.
How many Medicare patients does Richard Ryan Dennison see?
CMS counts 99 Medicare patients who saw Richard Dennison in 2024, with an average age of 68.
Has Richard Ryan Dennison received payments from drug or device companies?
CMS Open Payments shows $256 in general payments to Richard Dennison from 9 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Richard Ryan Dennison been practicing?
Richard Dennison graduated from medical school in 2021, 5 years ago.
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