Dr. Helen Joyce, MD
- Part D claims, 2024
- 331
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 2220 East Gonzales Road, Suite 120, Oxnard, CA 93036
- Practice phone
- Call (805) 981-5151
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Magnolia West
FQHC - Main Site · Oxnard, California
Find Dr. Joyce's professional email, personal email and mobile number
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Dr. Helen Joyce is a family medicine physician in Oxnard, California
Dr. Joyce practices at Magnolia West in Oxnard, California.
Dr. Joyce's NPI, 1114666732, was assigned on June 1, 2022. Dr. Joyce graduated from Un of California, Irvine, College of Medicine in 2022. Dr. Joyce holds California license 190825.
- NPI
- 1114666732NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224545520
- NPI enumeration date
- June 1, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 981-5151
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Helen Joyce practices at Magnolia West in Oxnard, California
Dr. Joyce's primary practice is Magnolia West, at 2220 East Gonzales Road, Suite 120, Oxnard, CA 93036. The practice phone is (805) 981-5151.
- Magnolia West2220 East Gonzales Road, Suite 120, Oxnard, CA 93036Phone(805) 981-5151
Source: Dmand AI Affiliation Data
Dr. Helen Joyce is affiliated with 4 sites of care and 1 medical group
Dr. Joyce's primary practice is Magnolia West in Oxnard, California. Dr. Joyce is also affiliated with Ventura County Medical Center. The medical group on file is Ventura County Medical Center. Dmand AI also links Dr. Joyce to 2 more community health centers, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Helen Joyce's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Joyce practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Magnolia West | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Helen Joyce is one of 15,680 family medicine physicians in California
Family medicine is Dr. Joyce's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Joyce is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Joyce
Counts of family medicine physicians 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
Dr. Helen Joyce's patients have a median age of 37
Across all payers, Dmand AI patient panel data puts Dr. Joyce's median patient age at 37, with 69% women.
Dr. Joyce's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women69%
- Men31%
Source: Dmand AI Patient Panel Data
Dr. Helen Joyce wrote 331 Medicare Part D claims in 2024
In 2024, Dr. Joyce wrote 331 Medicare Part D claims for 45 patients. 72% of them were for generic drugs. CMS names the drug for 144 of them, across 8 drugs with 11 or more claims each, at $16,091 in total drug cost.
Dr. Joyce's Part D claims by kind of drug, 2024
- Generic238 claims72%
- Brand-name93 claims28%
Dr. Joyce's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Joyce's Part D claims, 2024
- Antibiotics5%17 of 331 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Helen Joyce takes part in Medicare
Dr. Joyce 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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Dr. Helen Joyce graduated from Un of California, Irvine, College of Medicine
Dr. Joyce graduated from Un of California, Irvine, College of Medicine in 2022.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Helen Joyce'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Helen Joyce
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Helen Joyce's NPI number?
Dr. Helen Joyce's NPI number is 1114666732. It was assigned on June 1, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Helen Joyce?
Dr. Helen Joyce is a family medicine physician in Oxnard, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Helen Joyce practice?
Dr. Joyce practices at 2220 East Gonzales Road, Suite 120, Oxnard, CA 93036. Dr. Joyce's primary practice is Magnolia West in Oxnard, California. Dmand AI also links Dr. Joyce to 2 community health centers.
What is Dr. Helen Joyce's office phone number?
The practice phone on file for Dr. Joyce is (805) 981-5151.
What is Dr. Helen Joyce's medical license number?
Dr. Joyce holds California license 190825.
Which hospitals is Dr. Helen Joyce affiliated with?
Dr. Joyce is affiliated with Ventura County Medical Center.
What medical group is Dr. Helen Joyce part of?
Dr. Joyce is linked to Ventura County Medical Center.
Does Dr. Helen Joyce accept Medicare?
Yes. CMS lists Dr. Joyce as accepting Medicare assignment.
Where did Dr. Helen Joyce go to medical school?
Dr. Joyce graduated from Un of California, Irvine, College of Medicine in 2022.
What drugs does Dr. Helen Joyce prescribe most?
In 2024 Medicare Part D data, Dr. Joyce's most prescribed drugs by claims were Spiriva Respimat, Fluticasone Propionate and Atorvastatin Calcium.
How long has Dr. Helen Joyce been practicing?
Dr. Joyce graduated from medical school in 2022, 4 years ago.
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