Jennifer Destreza Ryan, AGNP, MSN
- Part D claims, 2024
- 24
- Industry payments
- $55
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 1171 S Robertson Blvd Ste 242 Suite 242, Los Angeles, CA 90035
- Practice phone
- Call (626) 442-5200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Supportive Care Specialists
Primary care practice · Los Angeles, California
Find Jennifer 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.
Jennifer Destreza Ryan is a gerontology nurse practitioner in Torrance, California
Jennifer Ryan practices at Supportive Care Specialists in Los Angeles, California.
Jennifer Ryan's NPI, 1447806021, was assigned on August 10, 2019. Jennifer Ryan holds California license 95012280.
- NPI
- 1447806021NPI Registry (opens in a new tab)
- NPI enumeration date
- August 10, 2019
- NPI status
- Active
- Practice phone
- (626) 442-5200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Jennifer Destreza Ryan practices in Los Angeles and Torrance
Jennifer Ryan's primary practice is Supportive Care Specialists, at 1171 S Robertson Blvd Ste 242 Suite 242, Los Angeles, CA 90035. The practice phone is (626) 442-5200. The NPI Registry lists Jennifer Ryan's practice address as 5315 Torrance Blvd, Torrance, CA 90503-4011.
- Supportive Care SpecialistsPrimary1171 S Robertson Blvd Ste 242 Suite 242, Los Angeles, CA 90035Phone(626) 442-5200
- NPI Registry address5315 Torrance Blvd, Torrance, CA 90503-4011Phone(800) 535-8446
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Jennifer Destreza Ryan is affiliated with 2 sites of care and 2 medical groups
Jennifer Ryan's primary practice is Supportive Care Specialists in Los Angeles, California. The medical group on file is Supportive Care Specialists. Dmand AI also links Jennifer Ryan to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Jennifer Destreza Ryan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jennifer Ryan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Supportive Care Specialists | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Jennifer Destreza Ryan is one of 477 gerontology nurse practitioners in California
Gerontology is Jennifer Ryan's primary specialty in the NPI Registry, under taxonomy code 363LG0600X. Jennifer Ryan is licensed in California.
Specialties and state licenses
- Gerontology nurse practitioner, CaliforniaPrimary
Gerontology nurse practitioners near Jennifer Ryan
Counts of gerontology 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
Jennifer Destreza Ryan's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Jennifer Ryan's median patient age at 65, with 100% women.
Jennifer 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 65
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Jennifer Destreza Ryan wrote 24 Medicare Part D claims in 2024
In 2024, Jennifer Ryan wrote 24 Medicare Part D claims. 92% of them were for generic drugs.
Jennifer Ryan's Part D claims by kind of drug, 2024
- Generic22 claims92%
- Brand-name and other2 claims8%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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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.
Jennifer Destreza Ryan received $55 in industry payments in 2025
CMS Open Payments shows 2 general payments to Jennifer Ryan from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $30.
Companies that paid Jennifer 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 Jennifer Destreza 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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Jennifer Destreza 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 Jennifer Destreza Ryan's NPI number?
Jennifer Destreza Ryan's NPI number is 1447806021. It was assigned on August 10, 2019, and it is active in the NPI Registry.
What does Jennifer Destreza Ryan specialize in?
Jennifer Destreza Ryan is a gerontology nurse practitioner in Torrance, California. The primary specialty in the NPI Registry is Gerontology Nurse Practitioner (taxonomy code 363LG0600X).
Where does Jennifer Destreza Ryan practice?
Jennifer Ryan practices at 1171 S Robertson Blvd Ste 242 Suite 242, Los Angeles, CA 90035. Jennifer Ryan also practices at 5315 Torrance Blvd, Torrance, CA 90503-4011. Jennifer Ryan's primary practice is Supportive Care Specialists in Los Angeles, California. Dmand AI also links Jennifer Ryan to 1 group practice or clinic and 1 medical group.
What is Jennifer Destreza Ryan's office phone number?
The practice phone on file for Jennifer Ryan is (626) 442-5200.
What is Jennifer Destreza Ryan's medical license number?
Jennifer Ryan holds California license 95012280.
What medical group is Jennifer Destreza Ryan part of?
Jennifer Ryan is linked to Supportive Care Specialists. Dmand AI links Jennifer Ryan to 1 more medical group.
Has Jennifer Destreza Ryan received payments from drug or device companies?
CMS Open Payments shows $55 in general payments to Jennifer Ryan from 2 companies from 2025 to 2025. The largest total came from Eli Lilly and Company.
How long has Jennifer Destreza Ryan been practicing?
Jennifer Ryan graduated from medical school in 2019, 7 years ago.
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