Joan Isabelle I. Barcenas, NP
- Medicare patients, 2024
- 58
- Part D claims, 2024
- 111
- Hospital affiliations
- 1
- Industry payments
- $49
- Medical group
- 1
- Practice address
- 1831 Wilshire Blvd Suite A Suite A, Santa Monica, CA 90403-5778
- Practice phone
- Call (310) 400-5565
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Saint John's Physician Partners
Primary care practice · Santa Monica, California
Find Joan Isabelle Barcenas' 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.
Joan Isabelle I. Barcenas is a nurse practitioner in Santa Monica, California
Joan Isabelle Barcenas practices at Saint John's Physician Partners in Santa Monica, California.
Joan Isabelle Barcenas' NPI, 1285479261, was assigned on July 1, 2024. Joan Isabelle Barcenas holds California license 95028163.
- NPI
- 1285479261NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688110356
- NPI enumeration date
- July 1, 2024
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 400-5565
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Joan Isabelle I. Barcenas practices at Saint John's Physician Partners in Santa Monica, California
Joan Isabelle Barcenas' primary practice is Saint John's Physician Partners, at 1831 Wilshire Blvd Suite A Suite A, Santa Monica, CA 90403-5778. The practice phone is (310) 400-5565.
- Saint John's Physician Partners1831 Wilshire Blvd Suite A Suite A, Santa Monica, CA 90403-5778Phone(310) 400-5565
Source: Dmand AI Affiliation Data
Joan Isabelle I. Barcenas is affiliated with 2 sites of care and 1 medical group
Joan Isabelle Barcenas' primary practice is Saint John's Physician Partners in Santa Monica, California. Joan Isabelle Barcenas is also affiliated with Providence Saint John's Health Center. The medical group on file is Saint John's Physician Partners.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Joan Isabelle I. Barcenas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Joan Isabelle Barcenas practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint John's Physician Partners | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Joan Isabelle I. Barcenas is one of 5,983 nurse practitioners in California
Nurse practitioner is Joan Isabelle Barcenas' primary specialty in the NPI Registry, under taxonomy code 363L00000X. Joan Isabelle Barcenas is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Joan Isabelle Barcenas
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
Joan Isabelle I. Barcenas treated 58 Medicare patients in 2024, average age 75
CMS counts 58 Medicare patients who saw Joan Isabelle Barcenas in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high cholesterol, and 69% have high blood pressure. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Joan Isabelle Barcenas' median patient age at 48, with 50% women.
Joan Isabelle Barcenas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Joan Isabelle Barcenas' Medicare patients by sex, 2024
- Women3357%
- Men2543%
Chronic conditions among Joan Isabelle Barcenas' Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis62%
- Ischemic heart disease52%
- Mood disorders38%
- Anxiety36%
- Depression34%
- Osteoporosis21%
Share of Medicare patients with each condition. A patient can have several.
Joan Isabelle Barcenas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Joan Isabelle I. Barcenas wrote 111 Medicare Part D claims in 2024
In 2024, Joan Isabelle Barcenas wrote 111 Medicare Part D claims for 70 patients. 86% of them were for generic drugs.
Joan Isabelle Barcenas' Part D claims by kind of drug, 2024
- Generic96 claims86%
- Brand-name15 claims14%
Drug classes CMS tracks in Joan Isabelle Barcenas' Part D claims, 2024
- Antibiotics20%22 of 111 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
How Joan Isabelle I. Barcenas takes part in Medicare
Joan Isabelle Barcenas 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
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Joan Isabelle I. Barcenas received $49 in industry payments in 2025
CMS Open Payments shows 2 general payments to Joan Isabelle Barcenas from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $49.
Companies that paid Joan Isabelle Barcenas 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 Joan Isabelle I. Barcenas'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 Joan Isabelle I. Barcenas
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Joan Isabelle I. Barcenas' NPI number?
Joan Isabelle I. Barcenas' NPI number is 1285479261. It was assigned on July 1, 2024, and it is active in the NPI Registry.
What does Joan Isabelle I. Barcenas specialize in?
Joan Isabelle I. Barcenas is a nurse practitioner in Santa Monica, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Joan Isabelle I. Barcenas practice?
Joan Isabelle Barcenas practices at 1831 Wilshire Blvd Suite A Suite A, Santa Monica, CA 90403-5778. Joan Isabelle Barcenas' primary practice is Saint John's Physician Partners in Santa Monica, California.
What is Joan Isabelle I. Barcenas' office phone number?
The practice phone on file for Joan Isabelle Barcenas is (310) 400-5565.
What is Joan Isabelle I. Barcenas' medical license number?
Joan Isabelle Barcenas holds California license 95028163.
Which hospitals is Joan Isabelle I. Barcenas affiliated with?
Joan Isabelle Barcenas is affiliated with Providence Saint John's Health Center.
What medical group is Joan Isabelle I. Barcenas part of?
Joan Isabelle Barcenas is linked to Saint John's Physician Partners.
Does Joan Isabelle I. Barcenas accept Medicare?
Yes. CMS lists Joan Isabelle Barcenas as accepting Medicare assignment.
How many Medicare patients does Joan Isabelle I. Barcenas see?
CMS counts 58 Medicare patients who saw Joan Isabelle Barcenas in 2024, with an average age of 75.
Has Joan Isabelle I. Barcenas received payments from drug or device companies?
CMS Open Payments shows $49 in general payments to Joan Isabelle Barcenas from 1 company from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has Joan Isabelle I. Barcenas been practicing?
Joan Isabelle Barcenas graduated from medical school in 2023, 3 years ago.
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