Dr. Ernesto Leonel Sequeira Abarca Sr., MD
- Medicare services, 2024
- 1,506
- Medicare patients, 2024
- 383
- Part D claims, 2024
- 2,419
- Hospital affiliations
- 3
- Industry payments
- $2,818
- Practice address
- 17207 Jasmine Street, Victorville, CA 92395
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
DaVita Mojave Sage Dialysis
Dialysis Center - Independent · Victorville, California
Find Dr. Sequeira Abarca'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.
Dr. Ernesto Leonel Sequeira Abarca Sr. is a nephrologist in Victorville, California
Dr. Sequeira Abarca practices at DaVita Mojave Sage Dialysis in Victorville, California.
Dr. Sequeira Abarca's NPI, 1831350784, was assigned on June 23, 2008. Dr. Sequeira Abarca graduated from Universidad Autonoma de Nicaragua Faculty of Medicine in 2004. Dr. Sequeira Abarca holds California license A114585.
- NPI
- 1831350784NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456523547
- NPI enumeration date
- June 23, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ernesto Leonel Sequeira Abarca Sr. practices at DaVita Mojave Sage Dialysis in Victorville, California
Dr. Sequeira Abarca's primary practice is DaVita Mojave Sage Dialysis, at 17207 Jasmine Street, Victorville, CA 92395 in San Bernardino County.
- DaVita Mojave Sage Dialysis17207 Jasmine Street, Victorville, CA 92395 · San Bernardino County
Source: Dmand AI Affiliation Data
Dr. Ernesto Leonel Sequeira Abarca Sr. is affiliated with 8 sites of care and 1 medical group
Dr. Sequeira Abarca's primary practice is DaVita Mojave Sage Dialysis in Victorville, California. Dr. Sequeira Abarca is also affiliated with Desert Valley Hospital. The medical group on file is Kidney & Hypertension Center. Dmand AI also links Dr. Sequeira Abarca to 2 more hospitals, 3 dialysis centers and 1 group practice or clinic, 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. Ernesto Leonel Sequeira Abarca Sr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sequeira Abarca practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| DaVita Mojave Sage Dialysis | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ernesto Leonel Sequeira Abarca Sr. is one of 1,401 nephrologists in California
Nephrology is Dr. Sequeira Abarca's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Sequeira Abarca is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Sequeira Abarca's licenses on file in 3 states: California, Arizona and Michigan.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
- Arizona license
- Michigan license
Clinical focus
Dmand AI lists acute kidney failure and chronic kidney disease among the conditions Dr. Sequeira Abarca treats.
Nephrologists near Dr. Sequeira Abarca
Counts of nephrologists 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. Ernesto Leonel Sequeira Abarca Sr. billed Medicare for 1,506 services in 2024
CMS data shows 1,506 Medicare services from Dr. Sequeira Abarca across 6 procedure codes in 2024, for 383 Medicare patients. Medicare paid $178,481 for them.
Dr. Sequeira Abarca's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8832024: 1,16332%
- Tests and treatments
- 2023: 3782024: 3439%
Where Dr. Sequeira Abarca's Medicare services took place, 2024
- In an office53435%
- In a facility97265%
Dr. Sequeira Abarca compared with the California median for nephrologists, 2024
- Dr. Sequeira Abarca
- California median
- Medicare services
- 1,506vs 1,08439% above
- Medicare patients
- 383vs 30725% above
- Part D claims
- 2,152vs 9552.3 times
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Sequeira Abarca'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sequeira Abarca and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ernesto Leonel Sequeira Abarca Sr. treated 383 Medicare patients in 2024, average age 69
CMS counts 383 Medicare patients who saw Dr. Sequeira Abarca in 2024. The largest group is 65 to 74, with 132 patients. 75% of them have chronic kidney disease, and 75% have diabetes. 68% are also on Medicaid. Their average risk score is 5.84, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Sequeira Abarca's median patient age at 64, with 46% women.
Dr. Sequeira Abarca's Medicare patients by age, 2024
Dr. Sequeira Abarca's Medicare patients by sex, 2024
- Women17746%
- Men20654%
Chronic conditions among Dr. Sequeira Abarca's Medicare patients, 2024
- Chronic kidney disease75%
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Heart failure70%
- Ischemic heart disease55%
- Arthritis42%
- Atrial fibrillation37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sequeira Abarca's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ernesto Leonel Sequeira Abarca Sr. wrote 2,419 Medicare Part D claims in 2024
In 2024, Dr. Sequeira Abarca wrote 2,419 Medicare Part D claims for 358 patients. 74% of them were for generic drugs. CMS names the drug for 2,152 of them, across 51 drugs with 11 or more claims each, at $580,105 in total drug cost. In 2023, CMS named 1,016 claims across 29 drugs.
Dr. Sequeira Abarca's Part D claims by kind of drug, 2024
- Generic1,798 claims74%
- Brand-name591 claims24%
- Other30 claims1%
Dr. Sequeira Abarca'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. Sequeira Abarca's Part D claims, 2024
- Antibiotics3%69 of 2,419 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,0162024: 2,152112%
Drugs named by CMS: 51 in 2024, 29 in 2023.
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. Ernesto Leonel Sequeira Abarca Sr. takes part in Medicare
Dr. Sequeira Abarca 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. Ernesto Leonel Sequeira Abarca Sr. received $2,818 in industry payments from 2016 to 2025
CMS Open Payments shows 126 general payments to Dr. Sequeira Abarca from 27 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Akebia Therapeutics Inc paid the most, $435.
General payments to Dr. Sequeira Abarca by program year, 2016 to 2025
General payments to Dr. Sequeira Abarca by kind, 2016 to 2025
- Food and beverage$2,72397%
- Education$953%
Companies that paid Dr. Sequeira Abarca the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ernesto Leonel Sequeira Abarca Sr. graduated from Universidad Autonoma de Nicaragua Faculty of Medicine
Dr. Sequeira Abarca graduated from Universidad Autonoma de Nicaragua Faculty of Medicine in 2004.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Ernesto Leonel Sequeira Abarca Sr. accepts plans from 8 insurance carriers
Dr. Sequeira Abarca is in network with 8 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- CMS Medicare
- Humana
- NV State Medicaid
Plan types Dr. Sequeira Abarca accepts, by number of carriers
- Medicare6
- PPO4
- HMO3
- Medicaid1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ernesto Leonel Sequeira Abarca Sr.'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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Ernesto Leonel Sequeira Abarca Sr.
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. Ernesto Leonel Sequeira Abarca Sr.'s NPI number?
Dr. Ernesto Leonel Sequeira Abarca Sr.'s NPI number is 1831350784. It was assigned on June 23, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Ernesto Leonel Sequeira Abarca Sr.?
Dr. Ernesto Leonel Sequeira Abarca Sr. is a nephrologist in Victorville, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Ernesto Leonel Sequeira Abarca Sr. practice?
Dr. Sequeira Abarca practices at 17207 Jasmine Street, Victorville, CA 92395. Dr. Sequeira Abarca's primary practice is DaVita Mojave Sage Dialysis in Victorville, California. Dmand AI also links Dr. Sequeira Abarca to 2 hospitals, 3 dialysis centers and 1 group practice or clinic.
What is Dr. Ernesto Leonel Sequeira Abarca Sr.'s medical license number?
Dr. Sequeira Abarca holds California license A114585, one of the licenses on file in 3 states.
Which states has Dr. Ernesto Leonel Sequeira Abarca Sr. been licensed in?
Dmand AI has state licenses on file for Dr. Sequeira Abarca in California (2010 to 2026), Arizona (2011 to 2027) and Michigan (2008 to 2011).
Which hospitals is Dr. Ernesto Leonel Sequeira Abarca Sr. affiliated with?
Dr. Sequeira Abarca is affiliated with Desert Valley Hospital. Dmand AI links Dr. Sequeira Abarca to 2 more hospitals.
What medical group is Dr. Ernesto Leonel Sequeira Abarca Sr. part of?
Dr. Sequeira Abarca is linked to Kidney & Hypertension Center.
Does Dr. Ernesto Leonel Sequeira Abarca Sr. accept Medicare?
Yes. CMS data shows Dr. Sequeira Abarca billed Medicare for 1,506 services in 2024, and Dr. Sequeira Abarca accepts Medicare assignment.
How many Medicare patients does Dr. Ernesto Leonel Sequeira Abarca Sr. see?
CMS counts 383 Medicare patients who saw Dr. Sequeira Abarca in 2024, with an average age of 69.
Is Dr. Ernesto Leonel Sequeira Abarca Sr. board certified?
Yes. Dr. Sequeira Abarca is board certified in internal medicine by the American Board of Internal Medicine.
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What services does Dr. Ernesto Leonel Sequeira Abarca Sr. bill to Medicare?
In 2024, Dr. Sequeira Abarca's most billed Medicare services were hospital inpatient care (99232), dialysis (90960) and office visit, established patient (99214).
Where did Dr. Ernesto Leonel Sequeira Abarca Sr. go to medical school?
Dr. Sequeira Abarca graduated from Universidad Autonoma de Nicaragua Faculty of Medicine in 2004.
What drugs does Dr. Ernesto Leonel Sequeira Abarca Sr. prescribe most?
In 2024 Medicare Part D data, Dr. Sequeira Abarca's most prescribed drugs by claims were Furosemide, Amlodipine Besylate and Prosol.
Has Dr. Ernesto Leonel Sequeira Abarca Sr. received payments from drug or device companies?
CMS Open Payments shows $2,818 in general payments to Dr. Sequeira Abarca from 27 companies from 2016 to 2025. The largest total came from Akebia Therapeutics Inc.
How long has Dr. Ernesto Leonel Sequeira Abarca Sr. been practicing?
Dr. Sequeira Abarca graduated from medical school in 2004, 22 years ago.
What insurance does Dr. Ernesto Leonel Sequeira Abarca Sr. accept?
Dr. Sequeira Abarca is in network with 8 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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