Dr. Ana Maria Bechara Diaz, MD
- Medicare services, 2024
- 42
- Medicare patients, 2024
- 53
- Part D claims, 2024
- 11
- Hospital affiliations
- 2
- Industry payments
- $204
- Practice address
- 1600 N Rose Ave, Oxnard, CA 93030
- Practice phone
- Call (805) 988-2500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Bechara Diaz's professional email, personal email and mobile number
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Dr. Ana Maria Bechara Diaz is an internist in Oxnard, California
Dr. Bechara Diaz practices at Dignity Health - St. John's Regional Medical Center in Oxnard, California, part of CommonSpirit Health.
Dr. Bechara Diaz's NPI, 1255747598, was assigned on July 8, 2014. Dr. Bechara Diaz holds California license A148149.
- NPI
- 1255747598NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678844495
- NPI enumeration date
- July 8, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 988-2500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ana Maria Bechara Diaz practices at Dignity Health - St. John's Regional Medical Center in Oxnard, California
Dr. Bechara Diaz's primary practice is Dignity Health - St. John's Regional Medical Center, at 1600 N Rose Ave, Oxnard, CA 93030 in Ventura County. The practice phone is (805) 988-2500.
- Dignity Health - St. John's Regional Medical Center1600 N Rose Ave, Oxnard, CA 93030 · Ventura CountyPhone(805) 988-2500
Source: Dmand AI Affiliation Data
Dr. Ana Maria Bechara Diaz is affiliated with 2 sites of care and 1 medical group
Dr. Bechara Diaz's primary practice is Dignity Health - St. John's Regional Medical Center in Oxnard, California, part of CommonSpirit Health. The medical group on file is Inpatient Specialist of California PC. Dmand AI also links Dr. Bechara Diaz to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ana Maria Bechara Diaz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bechara Diaz practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - St. John's Regional Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ana Maria Bechara Diaz is one of 16,751 internists in California
Internal medicine is Dr. Bechara Diaz's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Bechara Diaz is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Bechara Diaz
Counts of internists 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. Ana Maria Bechara Diaz billed Medicare for 42 services in 2024
CMS data shows 42 Medicare services from Dr. Bechara Diaz across 1 procedure code in 2024, for 53 Medicare patients. Medicare paid $5,760 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Bechara Diaz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 332024: 4227%
Dr. Bechara Diaz compared with the California median for internists, 2024
- Dr. Bechara Diaz
- California median
- Medicare services
- 42vs 36188% below
- Medicare patients
- 53vs 15165% below
- Part D claims
- 77vs 42182% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Bechara Diaz's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ana Maria Bechara Diaz treated 53 Medicare patients in 2024, average age 76
CMS counts 53 Medicare patients who saw Dr. Bechara Diaz in 2024. The largest group is 65 to 74, with 21 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 47% are also on Medicaid. Their average risk score is 2.98, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Bechara Diaz's median patient age at 57, with 51% women.
Dr. Bechara Diaz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Bechara Diaz's Medicare patients by sex, 2024
- Women3057%
- Men2343%
Chronic conditions among Dr. Bechara Diaz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes64%
- Ischemic heart disease57%
- Arthritis55%
- Heart failure49%
- Atrial fibrillation47%
- Mood disorders45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bechara Diaz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ana Maria Bechara Diaz wrote 11 Medicare Part D claims in 2024
In 2024, Dr. Bechara Diaz wrote 11 Medicare Part D claims. They cover 5 drugs, with $518 in total drug cost. In 2018, CMS named 98 claims across 6 drugs.
Dr. Bechara Diaz's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 982019: 7721%
Drugs named by CMS: 5 in 2019, 6 in 2018.
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. Ana Maria Bechara Diaz takes part in Medicare
Dr. Bechara Diaz 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. Ana Maria Bechara Diaz received $204 in industry payments from 2018 to 2019
CMS Open Payments shows 3 general payments to Dr. Bechara Diaz from 3 drug and device companies from 2018 to 2019. Food and beverage make up the largest share, 100% of the total. Medtronic USA, Inc. paid the most, $156.
General payments to Dr. Bechara Diaz by program year, 2018 to 2019
Companies that paid Dr. Bechara Diaz the most, 2018 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ana Maria Bechara Diaz'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 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) |
| 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 Dr. Ana Maria Bechara Diaz
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. Ana Maria Bechara Diaz's NPI number?
Dr. Ana Maria Bechara Diaz's NPI number is 1255747598. It was assigned on July 8, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Ana Maria Bechara Diaz?
Dr. Ana Maria Bechara Diaz is an internist in Oxnard, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ana Maria Bechara Diaz practice?
Dr. Bechara Diaz practices at 1600 N Rose Ave, Oxnard, CA 93030. Dr. Bechara Diaz's primary practice is Dignity Health - St. John's Regional Medical Center in Oxnard, California, part of CommonSpirit Health. Dmand AI also links Dr. Bechara Diaz to 1 hospital.
What is Dr. Ana Maria Bechara Diaz's office phone number?
The practice phone on file for Dr. Bechara Diaz is (805) 988-2500.
What is Dr. Ana Maria Bechara Diaz's medical license number?
Dr. Bechara Diaz holds California license A148149.
Which hospitals is Dr. Ana Maria Bechara Diaz affiliated with?
Dr. Bechara Diaz practices at Dignity Health - St. John's Regional Medical Center in Oxnard, California. Dmand AI links Dr. Bechara Diaz to 1 more hospital.
What medical group is Dr. Ana Maria Bechara Diaz part of?
Dr. Bechara Diaz is linked to Inpatient Specialist of California PC.
Does Dr. Ana Maria Bechara Diaz accept Medicare?
Yes. CMS data shows Dr. Bechara Diaz billed Medicare for 42 services in 2024, and Dr. Bechara Diaz accepts Medicare assignment.
How many Medicare patients does Dr. Ana Maria Bechara Diaz see?
CMS counts 53 Medicare patients who saw Dr. Bechara Diaz in 2024, with an average age of 76.
What services does Dr. Ana Maria Bechara Diaz bill to Medicare?
In 2024, Dr. Bechara Diaz's most billed Medicare services were hospital inpatient care (99223).
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What drugs does Dr. Ana Maria Bechara Diaz prescribe most?
In 2019 Medicare Part D data, Dr. Bechara Diaz's most prescribed drugs by claims were Pantoprazole Sodium, Furosemide and Levofloxacin.
Has Dr. Ana Maria Bechara Diaz received payments from drug or device companies?
CMS Open Payments shows $204 in general payments to Dr. Bechara Diaz from 3 companies from 2018 to 2019. The largest total came from Medtronic USA, Inc.
How long has Dr. Ana Maria Bechara Diaz been practicing?
Dr. Bechara Diaz graduated from medical school in 2007, 19 years ago.
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