Denise C. Ryan, NPC
- Medicare patients, 2024
- 109
- Part D claims, 2024
- 33
- Hospital affiliations
- 4
- Industry payments
- $42
- Medical groups
- 5
- Practice address
- 710 Cypress Creek Parkway, Houston, TX 77090
- Practice phone
- Call (281) 440-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Denise 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.
Denise C. Ryan is a family nurse practitioner in Houston, Texas
Denise Ryan practices at HCA Houston Healthcare Northwest in Houston, Texas, part of HCA Healthcare.
Denise Ryan's NPI, 1144772138, was assigned on October 26, 2016. Denise Ryan holds Texas license AP132453.
- NPI
- 1144772138NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890071500
- NPI enumeration date
- October 26, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (281) 440-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Denise C. Ryan practices at 2 locations in Houston, Texas
Denise Ryan's primary practice is HCA Houston Healthcare Northwest, at 710 Cypress Creek Parkway, Houston, TX 77090 in Harris County. The practice phone is (281) 440-1000. Denise Ryan also practices at Northwest Houston Hospital, 709 Cypress Station Dr, Houston, TX 77090.
- HCA Houston Healthcare NorthwestPrimary710 Cypress Creek Parkway, Houston, TX 77090 · Harris CountyPhone(281) 440-1000
- Northwest Houston Hospital709 Cypress Station Dr, Houston, TX 77090 · Harris CountyPhone(281) 440-2105
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Denise C. Ryan is affiliated with 4 sites of care and 5 medical groups
Denise Ryan's primary practice is HCA Houston Healthcare Northwest in Houston, Texas, part of HCA Healthcare. Denise Ryan is also affiliated with Houston Methodist Hospital. The medical group on file is Emergency Service Partners, L.P. Dmand AI also links Denise Ryan to 2 more hospitals and 4 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Denise C. Ryan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Denise Ryan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HCA Houston Healthcare Northwest | Available with a free account |
| +3 more sites and 4 medical groups | 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 HCA Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Denise C. Ryan is one of 15,436 family nurse practitioners in Texas
Family is Denise Ryan's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Denise Ryan is licensed in Texas.
Specialties and state licenses
- Family nurse practitioner, TexasPrimary
Family nurse practitioners near Denise Ryan
Counts of family 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
Denise C. Ryan treated 109 Medicare patients in 2024, average age 74
CMS counts 109 Medicare patients who saw Denise Ryan in 2024. The largest group is 65 to 74, with 34 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 2.84, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Denise Ryan's median patient age at 62, with 61% women.
Denise Ryan's Medicare patients by age, 2024
Denise Ryan's Medicare patients by sex, 2024
- Women5248%
- Men5752%
Chronic conditions among Denise Ryan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease65%
- Heart failure57%
- Diabetes56%
- Ischemic heart disease54%
- Mood disorders51%
- Arthritis50%
Share of Medicare patients with each condition. A patient can have several.
Denise 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 62
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Denise C. Ryan wrote 33 Medicare Part D claims in 2024
In 2024, Denise Ryan wrote 33 Medicare Part D claims for 16 patients. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Denise C. Ryan takes part in Medicare
Denise Ryan 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.
Denise C. Ryan received $42 in industry payments in 2025
CMS Open Payments shows 2 general payments to Denise Ryan from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $23.
Companies that paid Denise 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 Denise C. Ryan'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 Affiliation DataDmand AI Practice 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) |
| 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 Denise C. Ryan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Denise C. Ryan's NPI number?
Denise C. Ryan's NPI number is 1144772138. It was assigned on October 26, 2016, and it is active in the NPI Registry.
What does Denise C. Ryan specialize in?
Denise C. Ryan is a family nurse practitioner in Houston, Texas. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Denise C. Ryan practice?
Denise Ryan practices at 710 Cypress Creek Parkway, Houston, TX 77090. Denise Ryan also practices at 709 Cypress Station Dr, Houston, TX 77090. Denise Ryan's primary practice is HCA Houston Healthcare Northwest in Houston, Texas, part of HCA Healthcare. Dmand AI also links Denise Ryan to 2 hospitals and 4 medical groups.
What is Denise C. Ryan's office phone number?
The practice phone on file for Denise Ryan is (281) 440-1000.
What is Denise C. Ryan's medical license number?
Denise Ryan holds Texas license AP132453.
Which hospitals is Denise C. Ryan affiliated with?
Denise Ryan practices at HCA Houston Healthcare Northwest in Houston, Texas. Denise Ryan is also affiliated with Houston Methodist Hospital. Dmand AI links Denise Ryan to 2 more hospitals.
What medical group is Denise C. Ryan part of?
Denise Ryan is linked to Emergency Service Partners, L.P. Dmand AI links Denise Ryan to 4 more medical groups.
Does Denise C. Ryan accept Medicare?
Yes. CMS lists Denise Ryan as accepting Medicare assignment.
How many Medicare patients does Denise C. Ryan see?
CMS counts 109 Medicare patients who saw Denise Ryan in 2024, with an average age of 74.
Has Denise C. Ryan received payments from drug or device companies?
CMS Open Payments shows $42 in general payments to Denise Ryan from 2 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Denise C. Ryan been practicing?
Denise Ryan graduated from medical school in 2013, 13 years ago.
Selling to family practices?
See family nurse practitioners in Texas 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